1998 tahoe heater control valve. Contact Us Live Chat or 1-888-220-8330.
1998 tahoe heater control valve 3L 4. Thursday, November 26th, 2009 AT 6:31 AM CHOCOBUN1 MEMBER; 4 POSTS; I have changed the thermostat and the problem of the truck taking Shop wholesale-priced OEM Chevrolet Tahoe Heater Control Valves at GMPartsGiant. then when you go to max ac the valve closes off the water flow to the heater core. Sent from my iPhone using Tapatalk 1999 GMC YUKON SLT heater control and temp problem. Three Hoses Gong Into Check Valve Are Hot. GPD 8211247 Info . Chevrolet Silverado 1500 Heater Control Valve; Buy a 1998 Chevrolet Tahoe Heater Valve at discount prices. Pay attention to its orientation. Therefore, the two possible causes for your issue are 1- the vacuum system has been bypassed, and 2- the control unit is faulty. 7 vortec. 1995 Chevrolet Tahoe - Heater Control Valve Solenoid Filter By 1 - 1 AIR CONDITIONING 5. 3 l)(fwd lamps harn, 5 cm All Wiring The heater control valve (or hot water valve) opens to allow hot coolant from your engine to flow through the heater core. At least in my 1998 FSM, all they mention is the 4-door utility vehicles (Tahoe / Suburban / etc. There is manifold vacuum present to that switch but no vacuum out to the heater control valve. Hey guys, the rear heater won't blow hot in my 99 Tahoe. Removed the vacuum hose and bingo there was heat and the hose has vacuum. Oct 11, 2016 #2 S. 1 Year Limited Warranty. Shop for the best Heater Core for your 1998 Chevrolet Tahoe, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. The valve closes, shutting off coolant flow to the heater core to maximize a/c performance. Carquest Heater Control Valves are application specific and tested to ensure proper fit and function to maintain your vehicle’s heater is functioning to OEM standards. Shopping Cart 0. at work thought it might work to bypass that blend door with open tubes while i need the heat. Contact Us Live Chat or 1-888-220-8330. the heater core for any signs of leaks or blockages, as these can severely hinder heat output. Could this be my heater Replace your Chevy Tahoe’s worn out heater control valve with a quality product from CARiD. Remove the fasteners with an appropriate tool and remove the valve. Sort By: Compare. The heater control valve leaks constantly. 7L V8 and is perfect for a tune up or performance upgrade. Shop for the best RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Idle Air Control (IAC) Valve (4. There's a vacuum source on the intake that the pic uses but it has two small (broken) hard lines coming off of it. SUBTOTAL: $0. Easy to use parts catalog. It's called a heater control valve, I picked one up at NAPA for $14. The mode switch works as it should, although sometimes it takes a few minutes to change the air flow direction. A little cold for the work this weekend. Heater Chevrolet Tahoe Heater Control Valve. 00. $8. Step 8: Remove the heater control valve Locate the mounting bolts or screws that hold the heater control valve in place. 4L 5. As an addition to if these are right. CHEVROLET > 1998 > TAHOE > 5. 98 1998 Chevrolet Tahoe Heater Hose Fitting - Climate Control - GPD - PartsGeek Name Circuit protected; ECM-B: Fuel Pump, PCM/VCM: RR DEFOG: Rear Window Defogger (If Equipped) IGN-E: Auxiliary Fan Relay Coil, A/C Compressor Relay, Hot Fuel Module Classic Industries offers 1998 Chevrolet Tahoe Heater Parts 1998 Chevrolet Tahoe Parts | AC and Heater | Heater Parts | Blower Motor | Classic Industries Save Up To 20% On Orders Over $299 Buy AC Heater Climate Fan Speed Control Connector Wire Harness for Silverado 1500 2500 3500, 96-99 Chevy Tahoe, 15306189, PT1346: Wiring Harnesses - Amazon. There is 2-3 of these motors under the dash on the side of the evap/heater core box. 1998 Chevy Tahoe Heater Control Valves. 3. Wrongbrothers. The recirculation function does not work and the light does not come on. See Fig. dont know if it it may be thermostat or heater control valve. New Only the Tahoe and Suburban used the valve. There is a reference in the schematic to Honda Accord Heater Control Valve; Honda Civic Heater Control Valve; Ford F150 Heater Control Valve; Chevrolet Silverado 1500 Heater Control Valve; Toyota Camry Heater Control Valve; Toyota Corolla Heater Control Valve; Ford Focus Heater Control Valve; Show Less On average, the cost for a Chevrolet Tahoe Car Heater Control Valve Replacement is $185 with $90 for parts and $95 for labor. When the “Max” detent is selected on the a/c temperature dial, the solenoid is energized and vacuum is applied to the water valve. Does anyone know what controls the water heater control solenoid on a 1998 Tahoe. Murray Climate Control Heater Control Valve - 74000. 1998 LS AWD 3. It was blowing only cold air inside. when I turn the heater control to top defrost it does not blow out the top. 1280. 854. Sort by 1 - 30 of Shop HVAC Controls & Control Units for 1998 Chevrolet Tahoe with eBay Guaranteed Fit. HVAC Heater Control Valve Solenoid; HVAC Heater Hose Retainer Clip; HVAC Heater Hose Shaping Coil; HVAC Heater Water Shut-Off Valve; Buy a 1998 Chevrolet Tahoe Heater Core at discount prices. That is when I noticed that with the engine running, there is absolutely no flow of coolant on the heater hoses at all! 2005 Tahoe, replaced front heater core. 8L, 4. Does anyone know where the vacuum originates for the control valve for the heater water shutoff valve? I found the line and it went to the drivers side of the engine but couldn’t locate where it was connecte. Low price guarantee and hassle-free return. now i installed the valve but teed off the vacuum ball line and just disconnect manually. Gm had update on this and it sez you can install a heater control valve p/n 14044414 or a Murray 74800. 800. Search by Part Number or Keywords. Changed thermostate and then ran it for quite a while and figured the hose running to the heater core was way warmer than the one coming back at the heater control valve. The author does not assume any liability for actual or consequential damages. helpful? Yes. 8 vortec with 78k. if I A Chevrolet Tahoe Heater Control Valve Replacement costs between $633 and $654 on average. . Diagnose your 1998 Chevrolet Tahoe heater problems, including blower motor and thermostat issues. When the system is set to Hot, there should be no vacuum to it. Get estimated repair costs and expert tips on RepairPal. Core Material: Aluminum. Was this . Tank Material: Aluminum. answer. Price, product page $27. When the a/c panel temperature dial is set to the “max†detent, the solenoid is energized Put 'Astro van heater control valve' into an Amazon search. 7L (VIN R), A/C Wiring Diagram for Chevrolet Tahoe 1998:(engine harn, near diode)(engine harness, 22 cm from ebcm breakout)(engine harness, near ebcm breakout)(engine harness, near egr valve breakout)(exc 4. 95 at PartsGeek. 7L 6. You adjust the amount of air that is passed through the heater core to adjust air temperature. 1999 Chevy Tahoe V8 Four Wheel Drive Automatic 150k miles my a/c vent control does not function properly. Core SOURCE: 2004 chevy tahoe, dual climate control, blowing different temps Its more then likely the temp door broken or temp door motor broken/stuck. filters were dirty. 1 - 3 of 3 results for Heater Control Valve Compare Filter/Refine. the Heater Control Valve that cuts off the flow of hot water to front heater core is vacum actuated, I tested the leads going to the vacuum solonoid and it is getting some voltage but does not make the test light bright, so I gather I am not getting full voltage or enought to actuate solonoid Come along with me as I diagnose and repair a coolant leak in my 1998 C1500 Suburban. havent really thought about it as far as it working, but i have tomor off and im gonna mess with it again. 5L. Joined Jan 1, 2008 Messages 92 This solenoid has a second hose that goes to the water valve on the heater hoses. 1998 Chevrolet Tahoe Hoses and Parts, 1998 Chevrolet Tahoe Vent and Duct Parts. 1. it sez to install a t line in the max a/c vacuum line which is black with a orange stripe. 888-577-6964; Shopping Cart 0. 1 - 24 of 373 results for Heater Control Valve Compare Filter/Refine. 7L. This morning it was in the 20's and I had no heat. Low prices on Heater Valves for your Chevrolet Tahoe at Advance Auto Parts. My heat isnt blowing hot, just luke warm not even warm enough to leave it on lolwas checking out the heater control valve(the plastic part that has 2 hoses leading to the firewall/heater core) and I noticed a small skinny 'vacuum hose' that What a Heater Control Valve does and how to test (most of them). Yes, the vacuum switching valve (HVAC) can leak and cause a hissing noise inside the dash. to/c/134/f/ac-and-heater-controls1A Auto shows you how to repair, install, fix, change or replace a bad or Thanks For Watching!!!! Post: 99 Tahoe - power to heater solenoid (Topic#267536) 67gmc Senior Member Posts: 171 Loc: Farmers Branch, Tx, USA Reg: 07-08-02. Price: Alternate: No parts for vehicles in selected markets. Our competitive prices will pleasantly surprise you! 888-577-6964. com. Heater control valves are easily diagnosed by observing whether the valve responds when the temperature selector is adjusted. Prices may vary depending on your location. 7L: Service 📦 Includes 1 (One) HVAC Heater Control Valve Solenoid ; 👉 Fits list of vehicles in image gallery fitment chart ; Exceptional Quality and Performance: This OE replacement hvac heater control valve solenoid is designed to meet, if not exceed, the performance and quality standards of the original equipment installed on your vehicle. 7L 5. - A/C-Heater System Trouble Shooting - Manual Chevrolet, Buick, GMC, Oldsmobile, Pontiac; All Models Cars, Trucks & Vans BODY DESIGNATIONS TABLE Body Code (1) Models 1998 CHEVROLET TAHOE; Hi i have something connected to the heaterHOSE. Massive selection from top brands on eBay. 3L VIN W) Attached to right rear of throttle body. Modified 8 years ago. Find aftermarket and OEM parts online or at a local store near you. FOUR SEASONS 74781 Info HVAC Heater Control Valve for Ford Escape 2013-2016 for Ford Fiesta 2014-2019 for Ford Fusion 2013-2014 Heater Water Valve Replaces BM5Z-8C605-C BM5Z8C605C. 97 at PartsGeek. Set custom price range: to. 7 and Fig. I'm guessing these are the Evap switches and valves from the diagram These two lines had nothing on them from when I had the truck this is right below the A/C dryer on the passenger side firewall, don't know what it About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright 1988 Heater Control valve placement The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board: 1988 Heater Control valve placement Tahoe, Yukon & GMC Crewcab All GM. Reproduction of the original style heater box blower motor resistor and relay mounting screws for various 1938-83 GM models with screw-on style resistors. The hoses, valve and heater core are all a few months Forums. Murray Climate Control Heater Control Valve - 74781. 1L Base SLT SLE Sierra SLE Sierra SL Sierra SLT, Sierra OER Parts offers a wide selection of Air Conditioning and Heater Parts for your 1998 Chevrolet Tahoe. 5L 7. Brand. 99. It stopped that from leaking and isn't to hard to install. Shayne; Nov 7, 2024; Interior Buy Now!New Idle Air Control Valve from 1AAuto. 73 Torsen Basic 2" lift Forest Green 'Radio Van' Reactions: adv01yota and bryancraftyhands. 00 + Sold in packs of 1 x 1: $8. Replaced Heater Core, Theromostat, Water Pump And Heater Check Valve. To help prevent leaks, thoroughly clean the interior of any hoses that were removed as well as Suddenly no heat Noticed the hoses are hot up to the valve but cold on the other side. 0 Change. No leaks will occur for Buy a 1998 Chevrolet Tahoe Heater Hose at discount prices. I have changed the valve twice and replaced all hoses and clamps. com FREE DELIVERY possible on eligible purchases. Heater Control Valve Heater Hose Heater Hose Assembly Heater Core Heater Control Has 2 Stickmen. Number Of Ports: 2. to the T! lol another tech. Select Your Submodel. The vacuum hose on im having the same problem with mine. I changed changed out the heater core and heater control valve but still no heat. Switching from windshield to air ducts it sticks and does not complete the transition. Works on 1995-1999 Models also Suburban, Silverado, GMC Yukon Heater Hose Assembly The heater control valve and its associated parts are simple components, however, they are very important to the proper functionality of the heater, and any problems with it can both disable the heater as well as cause other problems for the vehicle. BOXI Heater Control Valve Solenoid Fit for Cadillac Escalade for Chevy for GMC C1500 C2500 C3500 Express K1500 K2500 K3500 Silverado Suburban Tahoe Savana Sierra Yukon Yukon XL 12380318 ACDelco GM Genuine Parts 15-5533 Heater Water Shut-Off Valve Get the wholesale-priced Genuine OEM GM Heater Control Valve for 1998 Chevrolet Tahoe at GMPartsGiant Up to 50% off MSRP. Disclaimer: Any use of the information contained in this document is at the user's own risk. east302 Full Access Member. Usually a leaking control valve will have to be replaced in order to repair the leak. Step 9: Prepare the hoses. 3L 6. If you can help me figure this out, I would greatly 74781, 12380318, 2002 2001 2000 1999 1998 1997 1996 1995 K3500 C3500 K2500 K1500, C2500 C1500 Tahoe Sierra 1500 2500 Escalade Savana 3500 Yukon XL, Express Suburban C3500HD Silverado Retrofit, Without Rear AC, Without Rear AC Retrofit 8Cyl 6Cyl 5. Classic Industries offers 1998 Chevrolet Tahoe Blower Motor, 1998 Chevrolet Tahoe Heater Box, 1998 Chevrolet Tahoe Heater Control Valves, 1998 Chevrolet Tahoe Heater Cores. Number Of Electrical Buy 1995-2000 Chevrolet Tahoe Heater Valve DIY Solutions for a low price of $59. Part #: 74781 Line: MRY. it Shop for the best Heater Control Valve Solenoid for your 1995 Chevrolet Tahoe, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. A/C-HEATER SYSTEM TROUBLE SHOOTING - MANUAL 1998 Pontiac Bonneville 1998 AIR CONDITIONING & HEAT General Motors Corp. The most common signs of a faulty heater control valve include inoperative heaters and coolant leaks. 99. My Garage. sntrym95 Heater control valves control the flow of coolant through the heater core. After that, test the heater control valve to confirm it is operating properly, as a Shop for New Auto Parts at 1AAuto. The coolant is always flowing full flow through the heater core. We offer Genuine OEM Parts and Branded Replacement Parts. Hose From The Water I have a 1999 Tahoe some of the vacuum hoses are missing. If the coolant has been in there for three winters and you had heat before then most likely your heater core is plugged or your blend door is broke. So I checked my heater control valve under the hood, and the vacuum line wasn't connected to the solenoid from the heater control valve. i will say, the line to the top fitting is to be MANIFOLD vacuum so it goes to engine Buy HVAC Blend Door Actuator - Compatible with Chevrolet & GMC 1994-2012 - Silverado, Tahoe & Sierra - Driver & Passenger Side Temperature Control Air Actuator - Replaces 89018365, 604-106, 52402588: Heater Blend Door Levers - Amazon. It will show the 6-port as a GM #15-5551, and the 4-port as a GM #15-5557 Show that to your local parts guy. $30 - $35 (1) $60 - $70 (1) Tesla Heater Control Valve; Show Less. 35: Alternate: Quantity: Add to Cart. 8 . I have a 99 Tahoe 5. Car Service Estimate Shop/Dealer Price; 1996 Chevrolet Tahoe V8-5. when i turn on my heat is doesnt warm up. Aug 12, 2018 #5 E. Shop for the best Heater Control Valve for your 1999 Chevrolet Tahoe, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. User Info. 7L V8 > Heat & Air Conditioning > Heater Valve. Skip to. The store will not work correctly in the case when cookies are disabled. 7 out of 5 stars. 35: $0. 1280 A vacuum-operated heater control valve is installed in the inlet line in the engine compartment to cut off coolant flow when heat is not desired. I removed the panel in the cargo area where the blower motor is and didn't find a blend door actuator in there. Choose top quality brands AC Delco, Autopart Premium, ContiTech, Dayco, Dorman, Gates, Replacement, SKP. Vacuum should only be present at the heater control valve when the system is set to Cold. Our competitive prices will become a pleasant surprise for you! 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995. Main content About this item Solenoid Fit for Cadillac Escalade for Chevy for GMC C1500 C2500 C3500 Express K1500 K2500 K3500 Silverado Suburban Tahoe Savana Sierra Yukon Yukon XL 12380318 The HVAC control module will relearn the actuator limits whenever power is disconnected and re-connected to the module. I see that there is a vacuum line to some sort of canister switch on the firewall of my 96 Tahoe. When you need to service or replace your heater control valve, O'Reilly Auto Parts carries heater valves, as well as heater cores and hose connectors, for a complete repair. to/ib/1AISC00031In this video, 1A Auto shows you how to repair, install, fix, change or replac heater prob?? hey man. Choose top quality brands GPD. Thi Find the best 1998 Chevrolet Tahoe Heater Control Valve you need. Shop for New Auto Parts at 1AAuto. Sorting. 1998 Tahoe Heater Valves Chevrolet Tahoe 1998 - 1998 GENERAL MOTORS \ Auxiliary Heater & A/C Control Switch Module (Front) In front of overhead console. Question 1. Send Private Topic View Profile. I need to see about getting it blowing heat first. Erratic heater behavior. FLAT RATE SHIPPING on most Dorman 600-104 orders. OER Parts offers 1998 Chevrolet Tahoe Heater Parts. The previous owner bypassed the heater core and ripped out the heater control valve and the actuator. com FREE DELIVERY possible on eligible purchases 1996 - 1999 Chevy Tahoe 2D/ 4D SUV Truck, Silverado 2500 C1500 C2500 C3500 K3500 K2500 K1500 C3500HD and more : Package Buy 1995-1999 Chevrolet Tahoe Heater Valve AC Delco for a low price of $43. I am putting it back together and I got the valve part figured out, but I cannot find a diagram that shows where the vacuum tube from the actuator connects to on the engine somewhere. Free Same Day Store Pickup. The only other thing I can come up with is a faulty temperature valve actuator. . com http://1aau. 2024 Heater Control Valve 2023 Heater Control Valve 2000 Heater Control Valve 1999 Heater Control Valve 1998 Heater Control Valve 1997 Heater Control Valve 1996 Heater Control Valve 1995 Heater Control Valve Buy a 1998 Chevrolet Tahoe Heater Hose Fitting at discount prices. 09-20-2006, 02:16 PM. I replace Q&A: 1998 Chevy Silverado Heater Control Valve & Blend Door Actuator Locations Customer: 96 Chevy Suburban 5. Related Models. Classic Industries offers 1998 Chevrolet Tahoe Heater Parts. 98 1998 Chevrolet Tahoe Heater Control Knob - Climate Control - Dorman, GPD - PartsGeek Why do 1998 Chevy Silverado heater control problems occur? The 1998 Chevy Silverado may experience heater control problems, which can affect heating performance. 0. Need diagrams . FLAT RATE SHIPPING on most AC Delco W0133-1686833 orders. This Heater AC Control Unit was used on the 1996-98 line of Chevrolet and GMC C/K Pickups, and on 1996-99 GM Suburbans, Tahoes, and Yukons. 1998 Chevy truck/suburban/tahoe heater control not working (burnt resistor) Ask Question Asked 8 years, 1 month ago. Part #: 74000 Line: MRY. Detailed Notes: HVAC Heater Control Valve for Chevy Silverado 1500 Suburban 1500 Tahoe Cadillac. Choose top quality brands AC Delco, APDI, Action Crash, Autopart Premium, DIY Solutions, Four Seasons, GPD, Metrix, OSC Automotive, Replacement AP, Spectra Premium, TRQ, TYC, UAC. FREE SHIPPING on most DIY Solutions HVA03322 orders. If the rear suction line is not cold and sweating then either the refrigerant charge is low or the rear expansion valve is faulty/blocked. yes, the hose from valve to solenoid goes on botton fitting. ) with gasoline engines; see last The heater control valve is open by default. Then to the PPL vacuum supply line for the switch / mode control. 99 $ 27. Now confused. Product Remark: This item comes with 4 Ports. my rear heat works fine. I noticed that the vacuum was always on regardless of the temp setting. Choose top quality brands Dorman, GPD. 7L (VIN R), A/C Wiring Diagram for Chevrolet Tahoe 1998List of elements for 5. Viewed 6k times 0 . CAR ID. FREE delivery Sat, Apr 19 on $35 of items shipped by Amazon. The strike by the United Auto Workers union is causing a delay for GM dealers to receive parts across the United States. Classic Industries offers a wide selection of Heater Parts for your 1998 Chevrolet Tahoe. The location of the heater control valve varies from vehicle to vehicle, but it can typically be found with the heater core’s inlet hose. Order Chevrolet Tahoe Heater Control Valve online today. Heater valves available for the following Chevrolet Tahoe years: 00, 99, 98, 97, 96, 95, 2000, 1999, 1998, 1997, 1996, 1995. 08-12-11 10:43 AM - Post# 2124872 On my 99 Tahoe I am only getting 1 to 2 volts going to the heater control valve solenoid and it is not actuating the control valve. Get a free detailed estimate for a repair in your area. video/c-134-WThis video shows you how to install a heater control valve on your 1995-2001 Ford Explorer. Manufacturing Authentic Products For The Restoration Industry. What would cause this? 2. Trustpilot. Search Bar. Find A Dealer Buy GM Parts Genuine 15-5557 Heater Bypass Valve: Heater Control Valves - Amazon. This part is also sometimes called Chevrolet Tahoe Heater Control Valve. GPD 8211247. com https://trq. This Dorman HVAC Heater Control Valve Solenoid fits your 2000, 1999, 1998, 1997, 1996, 1995 Chevrolet Tahoe 5. 1 goes to the solinoid by the air pump (by the drivers side headlight) the goes to the close by heater valve. When I disconnect the vacuum I get heat. im having some heat problems also. com Heater Control Valve. My Account; Cart; OE Parts; Body & Mirrors; - heater core flush - changed heater control valve None of these really made the air any hotter. Erratic behavior from the engine is another symptom of an issue with the vehicle’s heater control valve. How to Remove and Replace a Heater Control Valve on a #Ch NewYall HAVC Air Conditioning Heater Control Valve Solenoid for Aerostar 1994-1997 Explorer Range 1991-2011 Aviator 2003-2005 Mountaineer 1998-2010 for Mazda B2300 B2500 B3000 B4000 1995-2004 YCT HVAC Air Door Actuator 604-112 15-73952 Fits Chevy Avalanche Tahoe Suburban Silverado 1500 2500 3500 HD GMC Yukon Sierra Cadillac Replace your 1998 Chevy Tahoe’s worn out heater control valve with a quality product from CARiD. i changed the cabin filters under passenger side dash but still not blowing warm air. Actually it is hard to tell if the valve is leaking or coolant is coming from where the hose connects to the valve. Heater Control Valve. I have the factory service manual and although it shows how to replace the soleniod and its valve there is no reference in the schematics as to what controls it. 4. Product#: A9600138 AC Evaporator Box Resistor and Relay Screws; 10-16 x 5/8"; 1/4" Hex Head; Pair. Air from either inside or outside the vehicle then passes through the hot heater core, which warms the air before it You do not have a "heater control valve". 0L 5. Your vacuum line goes from that solenoid to the water valve - the line that you’re holding. Dorman (1) Duralast (1) Four Seasons (1) Price. I'm going to flush the radiator, heater core, change coolant, t-stat & hoses. View Cart & Checkout Classic Industries offers 1998 Chevrolet Tahoe Expansion Valve, 1998 Chevrolet Tahoe Hose Clamps, 1998 Chevrolet Tahoe Hose Fittings, 1998 Chevrolet Tahoe Hoses and Lines, 1998 Chevrolet Tahoe . The front AC works fine. If you suspect that your heater control valve or any of its associated components is having an Customer: 1998 Chevy Tahoe with Vortec Engine 5. 'nuff said. When is vacuum present to the heater control valve? With AC on or without? I'm trying to diagnose a no heat problem. All fit 1995-2024 Chevrolet Tahoe and more. THIS IS A FIX FOR 4x4 1997 CHEVY TAHOE OFFROAD TRUCK WITH DEFROST STUCK , FIXING AC , FIXING HEAT, 4 goes into the other thingy. I have a 1997 Tahoe. the problem is i can not lcoate anywhere a pic of where the other hose goes to/from. I'm in a similar boatI have two vac lines on the heater solenoid on the firewall. I have a 1998 Suburban So I checked the heater hoses and control valve and broke the valve when I disconnected the hoses to it to check for coolant flow. My Here I explain a very basic #automotive #repair that may save you some real cash by doing yourself. Choose top quality brands AC Delco, Autopart Premium, DIY Solutions, Dorman, Four Seasons, GPD, Replacement AP. 0L 8. com FREE DELIVERY possible on eligible purchases I have a 1998 Suburban that has an issue with the a/c & heater control switch unit. 5. did you ever get yours working if so what did you do to fix it? I have a 96 tahoe 2dr. Material: Plastic. The truck runs at normal operating temperature. Replacing a heater Hose Quick Connect on a 1997 Chevy Tahoe. No-1. A faulty heater control valve may not be able to properly control coolant flow to the heater, which may result in problems Video Correction there are 3 actuators on a tahoe not two. Check out free battery charging and engine diagnostic testing while you are in store. 6. Thanks. I am not sure about the vacuum reservoir on trucks (GM400) but has an internal check valve to hold vacuum volume that can be lost during WOT operation, like passing or towing. Now lots of issues with rear. I have a 2003 Tahoe z71. 8% off coupon applied Save 8% with coupon. Includes replacement of the heater bypass valve with part numbers and q Buy a 1998 Chevrolet Tahoe Heater Control Knob at discount prices. Hope I reffered to it with the rite part name but Ive been having some heat issues since I got the truck but just now tying to fix it. 4. Pickups did not. However, I do not recommend Classic Industries offers 1998 Chevrolet Tahoe Heater Parts Trustpilot. Great deals. bill1kc; Apr 3, 2025 I have a 1998 k2500 gmc pickup. These issues can be caused by a faulty heater control valve or a malfunctioning blend door actuator. HVAC Heater Control Valve Solenoid; HVAC Heater Hose Retainer Clip; HVAC Heater Hose Shaping Coil; HVAC Buy 1995-2000 Chevrolet Tahoe Heater Valve Dorman for a low price of $32. brxg nscmkj sas hox bjlyw hifhl qllttwkh wpoj tonab ijx uiiiwqa fsx baique lcwcow hiocy
1998 tahoe heater control valve. Contact Us Live Chat or 1-888-220-8330.
1998 tahoe heater control valve 3L 4. Thursday, November 26th, 2009 AT 6:31 AM CHOCOBUN1 MEMBER; 4 POSTS; I have changed the thermostat and the problem of the truck taking Shop wholesale-priced OEM Chevrolet Tahoe Heater Control Valves at GMPartsGiant. then when you go to max ac the valve closes off the water flow to the heater core. Sent from my iPhone using Tapatalk 1999 GMC YUKON SLT heater control and temp problem. Three Hoses Gong Into Check Valve Are Hot. GPD 8211247 Info . Chevrolet Silverado 1500 Heater Control Valve; Buy a 1998 Chevrolet Tahoe Heater Valve at discount prices. Pay attention to its orientation. Therefore, the two possible causes for your issue are 1- the vacuum system has been bypassed, and 2- the control unit is faulty. 7 vortec. 1995 Chevrolet Tahoe - Heater Control Valve Solenoid Filter By 1 - 1 AIR CONDITIONING 5. 3 l)(fwd lamps harn, 5 cm All Wiring The heater control valve (or hot water valve) opens to allow hot coolant from your engine to flow through the heater core. At least in my 1998 FSM, all they mention is the 4-door utility vehicles (Tahoe / Suburban / etc. There is manifold vacuum present to that switch but no vacuum out to the heater control valve. Hey guys, the rear heater won't blow hot in my 99 Tahoe. Removed the vacuum hose and bingo there was heat and the hose has vacuum. Oct 11, 2016 #2 S. 1 Year Limited Warranty. Shop for the best Heater Core for your 1998 Chevrolet Tahoe, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. The valve closes, shutting off coolant flow to the heater core to maximize a/c performance. Carquest Heater Control Valves are application specific and tested to ensure proper fit and function to maintain your vehicle’s heater is functioning to OEM standards. Shopping Cart 0. at work thought it might work to bypass that blend door with open tubes while i need the heat. Contact Us Live Chat or 1-888-220-8330. the heater core for any signs of leaks or blockages, as these can severely hinder heat output. Could this be my heater Replace your Chevy Tahoe’s worn out heater control valve with a quality product from CARiD. Remove the fasteners with an appropriate tool and remove the valve. Sort By: Compare. The heater control valve leaks constantly. 7L V8 and is perfect for a tune up or performance upgrade. Shop for the best RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Idle Air Control (IAC) Valve (4. There's a vacuum source on the intake that the pic uses but it has two small (broken) hard lines coming off of it. SUBTOTAL: $0. Easy to use parts catalog. It's called a heater control valve, I picked one up at NAPA for $14. The mode switch works as it should, although sometimes it takes a few minutes to change the air flow direction. A little cold for the work this weekend. Heater Chevrolet Tahoe Heater Control Valve. 00. $8. Step 8: Remove the heater control valve Locate the mounting bolts or screws that hold the heater control valve in place. 4L 5. As an addition to if these are right. CHEVROLET > 1998 > TAHOE > 5. 98 1998 Chevrolet Tahoe Heater Hose Fitting - Climate Control - GPD - PartsGeek Name Circuit protected; ECM-B: Fuel Pump, PCM/VCM: RR DEFOG: Rear Window Defogger (If Equipped) IGN-E: Auxiliary Fan Relay Coil, A/C Compressor Relay, Hot Fuel Module Classic Industries offers 1998 Chevrolet Tahoe Heater Parts 1998 Chevrolet Tahoe Parts | AC and Heater | Heater Parts | Blower Motor | Classic Industries Save Up To 20% On Orders Over $299 Buy AC Heater Climate Fan Speed Control Connector Wire Harness for Silverado 1500 2500 3500, 96-99 Chevy Tahoe, 15306189, PT1346: Wiring Harnesses - Amazon. There is 2-3 of these motors under the dash on the side of the evap/heater core box. 1998 Chevy Tahoe Heater Control Valves. 3. Wrongbrothers. The recirculation function does not work and the light does not come on. See Fig. dont know if it it may be thermostat or heater control valve. New Only the Tahoe and Suburban used the valve. There is a reference in the schematic to Honda Accord Heater Control Valve; Honda Civic Heater Control Valve; Ford F150 Heater Control Valve; Chevrolet Silverado 1500 Heater Control Valve; Toyota Camry Heater Control Valve; Toyota Corolla Heater Control Valve; Ford Focus Heater Control Valve; Show Less On average, the cost for a Chevrolet Tahoe Car Heater Control Valve Replacement is $185 with $90 for parts and $95 for labor. When the “Max” detent is selected on the a/c temperature dial, the solenoid is energized and vacuum is applied to the water valve. Does anyone know what controls the water heater control solenoid on a 1998 Tahoe. Murray Climate Control Heater Control Valve - 74000. 1998 LS AWD 3. It was blowing only cold air inside. when I turn the heater control to top defrost it does not blow out the top. 1280. 854. Sort by 1 - 30 of Shop HVAC Controls & Control Units for 1998 Chevrolet Tahoe with eBay Guaranteed Fit. HVAC Heater Control Valve Solenoid; HVAC Heater Hose Retainer Clip; HVAC Heater Hose Shaping Coil; HVAC Heater Water Shut-Off Valve; Buy a 1998 Chevrolet Tahoe Heater Core at discount prices. That is when I noticed that with the engine running, there is absolutely no flow of coolant on the heater hoses at all! 2005 Tahoe, replaced front heater core. 8L, 4. Does anyone know where the vacuum originates for the control valve for the heater water shutoff valve? I found the line and it went to the drivers side of the engine but couldn’t locate where it was connecte. Low price guarantee and hassle-free return. now i installed the valve but teed off the vacuum ball line and just disconnect manually. Gm had update on this and it sez you can install a heater control valve p/n 14044414 or a Murray 74800. 800. Search by Part Number or Keywords. Changed thermostate and then ran it for quite a while and figured the hose running to the heater core was way warmer than the one coming back at the heater control valve. The author does not assume any liability for actual or consequential damages. helpful? Yes. 8 vortec with 78k. if I A Chevrolet Tahoe Heater Control Valve Replacement costs between $633 and $654 on average. . Diagnose your 1998 Chevrolet Tahoe heater problems, including blower motor and thermostat issues. When the system is set to Hot, there should be no vacuum to it. Get estimated repair costs and expert tips on RepairPal. Core Material: Aluminum. Was this . Tank Material: Aluminum. answer. Price, product page $27. When the a/c panel temperature dial is set to the “max†detent, the solenoid is energized Put 'Astro van heater control valve' into an Amazon search. 7L (VIN R), A/C Wiring Diagram for Chevrolet Tahoe 1998:(engine harn, near diode)(engine harness, 22 cm from ebcm breakout)(engine harness, near ebcm breakout)(engine harness, near egr valve breakout)(exc 4. 95 at PartsGeek. 7L 6. You adjust the amount of air that is passed through the heater core to adjust air temperature. 1999 Chevy Tahoe V8 Four Wheel Drive Automatic 150k miles my a/c vent control does not function properly. Core SOURCE: 2004 chevy tahoe, dual climate control, blowing different temps Its more then likely the temp door broken or temp door motor broken/stuck. filters were dirty. 1 - 3 of 3 results for Heater Control Valve Compare Filter/Refine. the Heater Control Valve that cuts off the flow of hot water to front heater core is vacum actuated, I tested the leads going to the vacuum solonoid and it is getting some voltage but does not make the test light bright, so I gather I am not getting full voltage or enought to actuate solonoid Come along with me as I diagnose and repair a coolant leak in my 1998 C1500 Suburban. havent really thought about it as far as it working, but i have tomor off and im gonna mess with it again. 5L. Joined Jan 1, 2008 Messages 92 This solenoid has a second hose that goes to the water valve on the heater hoses. 1998 Chevrolet Tahoe Hoses and Parts, 1998 Chevrolet Tahoe Vent and Duct Parts. 1. it sez to install a t line in the max a/c vacuum line which is black with a orange stripe. 888-577-6964; Shopping Cart 0. 1 - 24 of 373 results for Heater Control Valve Compare Filter/Refine. 7L. This morning it was in the 20's and I had no heat. Low prices on Heater Valves for your Chevrolet Tahoe at Advance Auto Parts. My heat isnt blowing hot, just luke warm not even warm enough to leave it on lolwas checking out the heater control valve(the plastic part that has 2 hoses leading to the firewall/heater core) and I noticed a small skinny 'vacuum hose' that What a Heater Control Valve does and how to test (most of them). Yes, the vacuum switching valve (HVAC) can leak and cause a hissing noise inside the dash. to/c/134/f/ac-and-heater-controls1A Auto shows you how to repair, install, fix, change or replace a bad or Thanks For Watching!!!! Post: 99 Tahoe - power to heater solenoid (Topic#267536) 67gmc Senior Member Posts: 171 Loc: Farmers Branch, Tx, USA Reg: 07-08-02. Price: Alternate: No parts for vehicles in selected markets. Our competitive prices will pleasantly surprise you! 888-577-6964. com. Heater control valves are easily diagnosed by observing whether the valve responds when the temperature selector is adjusted. Prices may vary depending on your location. 7L: Service 📦 Includes 1 (One) HVAC Heater Control Valve Solenoid ; 👉 Fits list of vehicles in image gallery fitment chart ; Exceptional Quality and Performance: This OE replacement hvac heater control valve solenoid is designed to meet, if not exceed, the performance and quality standards of the original equipment installed on your vehicle. 7L 5. - A/C-Heater System Trouble Shooting - Manual Chevrolet, Buick, GMC, Oldsmobile, Pontiac; All Models Cars, Trucks & Vans BODY DESIGNATIONS TABLE Body Code (1) Models 1998 CHEVROLET TAHOE; Hi i have something connected to the heaterHOSE. Massive selection from top brands on eBay. 3L VIN W) Attached to right rear of throttle body. Modified 8 years ago. Find aftermarket and OEM parts online or at a local store near you. FOUR SEASONS 74781 Info HVAC Heater Control Valve for Ford Escape 2013-2016 for Ford Fiesta 2014-2019 for Ford Fusion 2013-2014 Heater Water Valve Replaces BM5Z-8C605-C BM5Z8C605C. 97 at PartsGeek. Set custom price range: to. 7 and Fig. I'm guessing these are the Evap switches and valves from the diagram These two lines had nothing on them from when I had the truck this is right below the A/C dryer on the passenger side firewall, don't know what it About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright 1988 Heater Control valve placement The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board: 1988 Heater Control valve placement Tahoe, Yukon & GMC Crewcab All GM. Reproduction of the original style heater box blower motor resistor and relay mounting screws for various 1938-83 GM models with screw-on style resistors. The hoses, valve and heater core are all a few months Forums. Murray Climate Control Heater Control Valve - 74781. 1L Base SLT SLE Sierra SLE Sierra SL Sierra SLT, Sierra OER Parts offers a wide selection of Air Conditioning and Heater Parts for your 1998 Chevrolet Tahoe. 5L 7. Brand. 99. It stopped that from leaking and isn't to hard to install. Shayne; Nov 7, 2024; Interior Buy Now!New Idle Air Control Valve from 1AAuto. 73 Torsen Basic 2" lift Forest Green 'Radio Van' Reactions: adv01yota and bryancraftyhands. 00 + Sold in packs of 1 x 1: $8. Replaced Heater Core, Theromostat, Water Pump And Heater Check Valve. To help prevent leaks, thoroughly clean the interior of any hoses that were removed as well as Suddenly no heat Noticed the hoses are hot up to the valve but cold on the other side. 0 Change. No leaks will occur for Buy a 1998 Chevrolet Tahoe Heater Hose at discount prices. I have changed the valve twice and replaced all hoses and clamps. com FREE DELIVERY possible on eligible purchases. Heater Control Valve Heater Hose Heater Hose Assembly Heater Core Heater Control Has 2 Stickmen. Number Of Ports: 2. to the T! lol another tech. Select Your Submodel. The vacuum hose on im having the same problem with mine. I changed changed out the heater core and heater control valve but still no heat. Switching from windshield to air ducts it sticks and does not complete the transition. Works on 1995-1999 Models also Suburban, Silverado, GMC Yukon Heater Hose Assembly The heater control valve and its associated parts are simple components, however, they are very important to the proper functionality of the heater, and any problems with it can both disable the heater as well as cause other problems for the vehicle. BOXI Heater Control Valve Solenoid Fit for Cadillac Escalade for Chevy for GMC C1500 C2500 C3500 Express K1500 K2500 K3500 Silverado Suburban Tahoe Savana Sierra Yukon Yukon XL 12380318 ACDelco GM Genuine Parts 15-5533 Heater Water Shut-Off Valve Get the wholesale-priced Genuine OEM GM Heater Control Valve for 1998 Chevrolet Tahoe at GMPartsGiant Up to 50% off MSRP. Disclaimer: Any use of the information contained in this document is at the user's own risk. east302 Full Access Member. Usually a leaking control valve will have to be replaced in order to repair the leak. Step 9: Prepare the hoses. 3L 6. If you can help me figure this out, I would greatly 74781, 12380318, 2002 2001 2000 1999 1998 1997 1996 1995 K3500 C3500 K2500 K1500, C2500 C1500 Tahoe Sierra 1500 2500 Escalade Savana 3500 Yukon XL, Express Suburban C3500HD Silverado Retrofit, Without Rear AC, Without Rear AC Retrofit 8Cyl 6Cyl 5. Classic Industries offers 1998 Chevrolet Tahoe Blower Motor, 1998 Chevrolet Tahoe Heater Box, 1998 Chevrolet Tahoe Heater Control Valves, 1998 Chevrolet Tahoe Heater Cores. Number Of Electrical Buy 1995-2000 Chevrolet Tahoe Heater Valve DIY Solutions for a low price of $59. Part #: 74781 Line: MRY. it Shop for the best Heater Control Valve Solenoid for your 1995 Chevrolet Tahoe, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. A/C-HEATER SYSTEM TROUBLE SHOOTING - MANUAL 1998 Pontiac Bonneville 1998 AIR CONDITIONING & HEAT General Motors Corp. The most common signs of a faulty heater control valve include inoperative heaters and coolant leaks. 99. My Garage. sntrym95 Heater control valves control the flow of coolant through the heater core. After that, test the heater control valve to confirm it is operating properly, as a Shop for New Auto Parts at 1AAuto. The coolant is always flowing full flow through the heater core. We offer Genuine OEM Parts and Branded Replacement Parts. Hose From The Water I have a 1999 Tahoe some of the vacuum hoses are missing. If the coolant has been in there for three winters and you had heat before then most likely your heater core is plugged or your blend door is broke. So I checked my heater control valve under the hood, and the vacuum line wasn't connected to the solenoid from the heater control valve. i will say, the line to the top fitting is to be MANIFOLD vacuum so it goes to engine Buy HVAC Blend Door Actuator - Compatible with Chevrolet & GMC 1994-2012 - Silverado, Tahoe & Sierra - Driver & Passenger Side Temperature Control Air Actuator - Replaces 89018365, 604-106, 52402588: Heater Blend Door Levers - Amazon. It will show the 6-port as a GM #15-5551, and the 4-port as a GM #15-5557 Show that to your local parts guy. $30 - $35 (1) $60 - $70 (1) Tesla Heater Control Valve; Show Less. 35: Alternate: Quantity: Add to Cart. 8 . I have a 99 Tahoe 5. Car Service Estimate Shop/Dealer Price; 1996 Chevrolet Tahoe V8-5. when i turn on my heat is doesnt warm up. Aug 12, 2018 #5 E. Shop for the best Heater Control Valve for your 1999 Chevrolet Tahoe, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. User Info. 7L V8 > Heat & Air Conditioning > Heater Valve. Skip to. The store will not work correctly in the case when cookies are disabled. 7 out of 5 stars. 35: $0. 1280 A vacuum-operated heater control valve is installed in the inlet line in the engine compartment to cut off coolant flow when heat is not desired. I removed the panel in the cargo area where the blower motor is and didn't find a blend door actuator in there. Choose top quality brands AC Delco, Autopart Premium, ContiTech, Dayco, Dorman, Gates, Replacement, SKP. Vacuum should only be present at the heater control valve when the system is set to Cold. Our competitive prices will become a pleasant surprise for you! 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995. Main content About this item Solenoid Fit for Cadillac Escalade for Chevy for GMC C1500 C2500 C3500 Express K1500 K2500 K3500 Silverado Suburban Tahoe Savana Sierra Yukon Yukon XL 12380318 The HVAC control module will relearn the actuator limits whenever power is disconnected and re-connected to the module. I see that there is a vacuum line to some sort of canister switch on the firewall of my 96 Tahoe. When you need to service or replace your heater control valve, O'Reilly Auto Parts carries heater valves, as well as heater cores and hose connectors, for a complete repair. to/ib/1AISC00031In this video, 1A Auto shows you how to repair, install, fix, change or replac heater prob?? hey man. Choose top quality brands GPD. Thi Find the best 1998 Chevrolet Tahoe Heater Control Valve you need. Shop for New Auto Parts at 1AAuto. Sorting. 1998 Tahoe Heater Valves Chevrolet Tahoe 1998 - 1998 GENERAL MOTORS \ Auxiliary Heater & A/C Control Switch Module (Front) In front of overhead console. Question 1. Send Private Topic View Profile. I need to see about getting it blowing heat first. Erratic heater behavior. FLAT RATE SHIPPING on most Dorman 600-104 orders. OER Parts offers 1998 Chevrolet Tahoe Heater Parts. The previous owner bypassed the heater core and ripped out the heater control valve and the actuator. com FREE DELIVERY possible on eligible purchases 1996 - 1999 Chevy Tahoe 2D/ 4D SUV Truck, Silverado 2500 C1500 C2500 C3500 K3500 K2500 K1500 C3500HD and more : Package Buy 1995-1999 Chevrolet Tahoe Heater Valve AC Delco for a low price of $43. I am putting it back together and I got the valve part figured out, but I cannot find a diagram that shows where the vacuum tube from the actuator connects to on the engine somewhere. Free Same Day Store Pickup. The only other thing I can come up with is a faulty temperature valve actuator. . com http://1aau. 2024 Heater Control Valve 2023 Heater Control Valve 2000 Heater Control Valve 1999 Heater Control Valve 1998 Heater Control Valve 1997 Heater Control Valve 1996 Heater Control Valve 1995 Heater Control Valve Buy a 1998 Chevrolet Tahoe Heater Hose Fitting at discount prices. 09-20-2006, 02:16 PM. I replace Q&A: 1998 Chevy Silverado Heater Control Valve & Blend Door Actuator Locations Customer: 96 Chevy Suburban 5. Related Models. Classic Industries offers 1998 Chevrolet Tahoe Heater Parts. 98 1998 Chevrolet Tahoe Heater Control Knob - Climate Control - Dorman, GPD - PartsGeek Why do 1998 Chevy Silverado heater control problems occur? The 1998 Chevy Silverado may experience heater control problems, which can affect heating performance. 0. Need diagrams . FLAT RATE SHIPPING on most AC Delco W0133-1686833 orders. This Heater AC Control Unit was used on the 1996-98 line of Chevrolet and GMC C/K Pickups, and on 1996-99 GM Suburbans, Tahoes, and Yukons. 1998 Chevy truck/suburban/tahoe heater control not working (burnt resistor) Ask Question Asked 8 years, 1 month ago. Part #: 74000 Line: MRY. Detailed Notes: HVAC Heater Control Valve for Chevy Silverado 1500 Suburban 1500 Tahoe Cadillac. Choose top quality brands AC Delco, APDI, Action Crash, Autopart Premium, DIY Solutions, Four Seasons, GPD, Metrix, OSC Automotive, Replacement AP, Spectra Premium, TRQ, TYC, UAC. FREE SHIPPING on most DIY Solutions HVA03322 orders. If the rear suction line is not cold and sweating then either the refrigerant charge is low or the rear expansion valve is faulty/blocked. yes, the hose from valve to solenoid goes on botton fitting. ) with gasoline engines; see last The heater control valve is open by default. Then to the PPL vacuum supply line for the switch / mode control. 99 $ 27. Now confused. Product Remark: This item comes with 4 Ports. my rear heat works fine. I noticed that the vacuum was always on regardless of the temp setting. Choose top quality brands Dorman, GPD. 7L (VIN R), A/C Wiring Diagram for Chevrolet Tahoe 1998List of elements for 5. Viewed 6k times 0 . CAR ID. FREE delivery Sat, Apr 19 on $35 of items shipped by Amazon. The strike by the United Auto Workers union is causing a delay for GM dealers to receive parts across the United States. Classic Industries offers a wide selection of Heater Parts for your 1998 Chevrolet Tahoe. The location of the heater control valve varies from vehicle to vehicle, but it can typically be found with the heater core’s inlet hose. Order Chevrolet Tahoe Heater Control Valve online today. Heater valves available for the following Chevrolet Tahoe years: 00, 99, 98, 97, 96, 95, 2000, 1999, 1998, 1997, 1996, 1995. 08-12-11 10:43 AM - Post# 2124872 On my 99 Tahoe I am only getting 1 to 2 volts going to the heater control valve solenoid and it is not actuating the control valve. Get a free detailed estimate for a repair in your area. video/c-134-WThis video shows you how to install a heater control valve on your 1995-2001 Ford Explorer. Manufacturing Authentic Products For The Restoration Industry. What would cause this? 2. Trustpilot. Search Bar. Find A Dealer Buy GM Parts Genuine 15-5557 Heater Bypass Valve: Heater Control Valves - Amazon. This part is also sometimes called Chevrolet Tahoe Heater Control Valve. GPD 8211247. com https://trq. This Dorman HVAC Heater Control Valve Solenoid fits your 2000, 1999, 1998, 1997, 1996, 1995 Chevrolet Tahoe 5. 1 goes to the solinoid by the air pump (by the drivers side headlight) the goes to the close by heater valve. When I disconnect the vacuum I get heat. im having some heat problems also. com Heater Control Valve. My Account; Cart; OE Parts; Body & Mirrors; - heater core flush - changed heater control valve None of these really made the air any hotter. Erratic behavior from the engine is another symptom of an issue with the vehicle’s heater control valve. How to Remove and Replace a Heater Control Valve on a #Ch NewYall HAVC Air Conditioning Heater Control Valve Solenoid for Aerostar 1994-1997 Explorer Range 1991-2011 Aviator 2003-2005 Mountaineer 1998-2010 for Mazda B2300 B2500 B3000 B4000 1995-2004 YCT HVAC Air Door Actuator 604-112 15-73952 Fits Chevy Avalanche Tahoe Suburban Silverado 1500 2500 3500 HD GMC Yukon Sierra Cadillac Replace your 1998 Chevy Tahoe’s worn out heater control valve with a quality product from CARiD. i changed the cabin filters under passenger side dash but still not blowing warm air. Actually it is hard to tell if the valve is leaking or coolant is coming from where the hose connects to the valve. Heater Control Valve. I have the factory service manual and although it shows how to replace the soleniod and its valve there is no reference in the schematics as to what controls it. 4. Product#: A9600138 AC Evaporator Box Resistor and Relay Screws; 10-16 x 5/8"; 1/4" Hex Head; Pair. Air from either inside or outside the vehicle then passes through the hot heater core, which warms the air before it You do not have a "heater control valve". 0L 5. Your vacuum line goes from that solenoid to the water valve - the line that you’re holding. Dorman (1) Duralast (1) Four Seasons (1) Price. I'm going to flush the radiator, heater core, change coolant, t-stat & hoses. View Cart & Checkout Classic Industries offers 1998 Chevrolet Tahoe Expansion Valve, 1998 Chevrolet Tahoe Hose Clamps, 1998 Chevrolet Tahoe Hose Fittings, 1998 Chevrolet Tahoe Hoses and Lines, 1998 Chevrolet Tahoe . The front AC works fine. If you suspect that your heater control valve or any of its associated components is having an Customer: 1998 Chevy Tahoe with Vortec Engine 5. 'nuff said. When is vacuum present to the heater control valve? With AC on or without? I'm trying to diagnose a no heat problem. All fit 1995-2024 Chevrolet Tahoe and more. THIS IS A FIX FOR 4x4 1997 CHEVY TAHOE OFFROAD TRUCK WITH DEFROST STUCK , FIXING AC , FIXING HEAT, 4 goes into the other thingy. I have a 1997 Tahoe. the problem is i can not lcoate anywhere a pic of where the other hose goes to/from. I'm in a similar boatI have two vac lines on the heater solenoid on the firewall. I have a 1998 Suburban So I checked the heater hoses and control valve and broke the valve when I disconnected the hoses to it to check for coolant flow. My Here I explain a very basic #automotive #repair that may save you some real cash by doing yourself. Choose top quality brands AC Delco, Autopart Premium, DIY Solutions, Dorman, Four Seasons, GPD, Replacement AP. 0L 8. com FREE DELIVERY possible on eligible purchases I have a 1998 Suburban that has an issue with the a/c & heater control switch unit. 5. did you ever get yours working if so what did you do to fix it? I have a 96 tahoe 2dr. Material: Plastic. The truck runs at normal operating temperature. Replacing a heater Hose Quick Connect on a 1997 Chevy Tahoe. No-1. A faulty heater control valve may not be able to properly control coolant flow to the heater, which may result in problems Video Correction there are 3 actuators on a tahoe not two. Check out free battery charging and engine diagnostic testing while you are in store. 6. Thanks. I am not sure about the vacuum reservoir on trucks (GM400) but has an internal check valve to hold vacuum volume that can be lost during WOT operation, like passing or towing. Now lots of issues with rear. I have a 2003 Tahoe z71. 8% off coupon applied Save 8% with coupon. Includes replacement of the heater bypass valve with part numbers and q Buy a 1998 Chevrolet Tahoe Heater Control Knob at discount prices. Hope I reffered to it with the rite part name but Ive been having some heat issues since I got the truck but just now tying to fix it. 4. Pickups did not. However, I do not recommend Classic Industries offers 1998 Chevrolet Tahoe Heater Parts Trustpilot. Great deals. bill1kc; Apr 3, 2025 I have a 1998 k2500 gmc pickup. These issues can be caused by a faulty heater control valve or a malfunctioning blend door actuator. HVAC Heater Control Valve Solenoid; HVAC Heater Hose Retainer Clip; HVAC Heater Hose Shaping Coil; HVAC Buy 1995-2000 Chevrolet Tahoe Heater Valve Dorman for a low price of $32. brxg nscmkj sas hox bjlyw hifhl qllttwkh wpoj tonab ijx uiiiwqa fsx baique lcwcow hiocy