Lml turbo problems. 0 Resi Shocks, Fuel Forged FF07 22x12 -51offset, 325.

Lml turbo problems You’ll likely appreciate its compact size and power output. Turbo Mouthpiece. 6 LML Duramax with Stock Turbochargers from XDP. The rubber hose is leaking and the apparent crush washer is leaking at the connection to the turbo itself. New vane position sensor and no boost leaks. You always need to confirm the circuits before replacing the sensor. Stopped at the gas station, started the truck back up and noticed so severe turbo lag. AirDog + sump. This is my 3rd Duramax and by far the one I have had the most issues with. 5" inlet, turbo spins up quickly and when it hits 20#'s of boost its pulling hard. Jan 28, 2024 · In summary, while the LML Duramax engine offers impressive power and performance, it is not immune to common problems. Ported fuel rails + plug. I replaced the tank with a Wherli aluminum tank and problem solved. when engine is under load, the ECM commands the Control solenoid valve to close the trubo vanes. Never threw a code so I eased it home. Instead of injector problems, the LLY had overheating issues when driving in hot temperatures or towing heavy loads. DESCRIPTION Your 2011-2016 LML Duramax will run better than ever before with the LML Stealth Mach 1 (64) Turbo. 6L LML. So less than 3 grand vs 5 grand plus tax at the dealer. Despite some problems, the GM 2. I was getting the vane position sensor code which I corrected on my old turbo. ProSource Diesel takes a closer look at these problems and how the L5P differs from the LML. 2 injection pump failure and DEF issues. replacing the turbo on a 2006 LBZ 3500, for Jul 3, 2017 · I installed a 64mm turbo compressor core I purchased from Lincoln diesel, saved some money just getting the compressor core and reusing my exhaust side housing of the turbo. Last december installed a HSP compound turbo kit with a stainless diesel 5 blade S475 over stock. com coupon code truckmaster Bitterrootdiesel. Mechanically similar to the LBZ, the LMM had few major problems. 5 LLY Save Share Reply Quote Like Aug 23, 2016 · This factory system starts out at 3. Feb 14, 2023 · Boosted Performance is now LIVE! LML Performance Parts: https://boostedperformance. Aside that truck runs really good, at dealer in pasadena they made it a horrible experience aside denting and scratching the truck. Started getting a P003A-00 vane position not learned code, so I replaced the vane position sensor in a bit of a whack a mole approach, which didn't solve it, so then I took it to the dealer to see if they could relearn it, and they told me it needed a new turbo at the cost of 5k. The differences is are, 335hp 685ftlb torque, higher EGR cooling capacity, Revised turbocharger and Larger capacity SCR system (whatever that is). 5x20 mickey thompson baja atz p3s - amp power steps - custom paint match - too much to list Feb 15, 2017 · Took into dealer on monday after work to have checked out. Problem Oct 10, 2016 · LML is definitely tighter than the older models with the egr cooler but if you have patience and about 1. While capable of up to 650+ RWHP, this turbo is actually designed for maximum spool up and towing capabilities. DiamondEye 4” straight pipe. Have a 2011 Chevy LML, 2500 CCSB 4x4, stock. 5" diameter out of the turbo and features a catalytic converter, followed by a DOC (Diesel Oxidation Catalyst), a DPF (Diesel Particulate Filter), and a DEF (Diesel Emissions Fluid) system. The LML Garrett manufactured 100% new factory replacement drop-in turbo for 2011-2016 Chevy/GMC 6. 2015 Chevy Silverado 2500 HD 6. I thought for sure it’s my PPE downpipe just making a crap connection to the turbo. You may hear a soft whistling sound as the turbo starts up or a whooshing noise. BatMo wheel Mar 25, 2015 · searching for this info for an lml right now myself. Duraflap mudflaps. Allow it to sit 30 min, then spray the back of the turbo with the carb cleaner trying to spray as far inside as possible. The new turbo has a new plug for that sensor. Read also >> Exhaust Emission Problems. when engine is not under load, the turbo vanes are in an open position, or no boost condition. Feb 8, 2017 · At around 50 k in the winter in MI I noticed that sometimes during acceleration the turbo would build psi and not use the boost. Aug 2, 2020 · Each time it lasted about 5 minutes and then was back to full power with no indications ever of any problems. 7L L3B Engine Problems. Features of the Duramax LML 66mm Turbo: 66mm 6 blade proprietary compressor wheel; 66mm 9 blade or 10 blade high flow turbine Oct 6, 2010 · 2020 GMC Denali HD CCSB L5P/10L1000 Allison 4x4 SOLD2016 Sierra 3500HD Denali CCSB SRW UDP Tunes on V2/SOTF Switch/Danville 63. 5 Billet-S480FMW Billet Twins by WCFab(Illusion Blue)/Exergy 100% Injectors/Exergy 12MM CP3/Banks Intercooler/HSP Billet Manifolds/PPE Up Pipes/PPE Oil Pan/PPE Deep Trans Pan/AirDog 165 II-4G/FloPro 5" SS Turbo Back/MBRP 6" SS Tip/CTS2 Insight/EDGE EGT Probe/EDGE 0-100 Mar 3, 2020 · I have a 2015 GMC Sierra LML, 108k miles. I went 66mm, but the machining is great, sound is great, and performance is great. Banks Intake w/scoop. My dealer replaced the unit with an "updated" turbo at no cost. Shop at DmaxStore for your Duramax needs. Fass titanium lift pump. I have the torque app and the highest boost reading I saw was like 19psi at wot and it didn't stay there for more than a second. Nov 4, 2015 · I battled this issue for 3 years and it turned out to be the fuel rail pressure relief is too low. (whirring, kind of growly noise) Admittedly the truck is deleted and the stock air filter has collapsed several times. w/Donaldson P551313 Niketane filter head w/ Donaldson P553207 w/ site bowl, Wheels 22. Being that calibration updates are NOT covered under GM's warranty, my dealer was going to charge me $100 at the time to install them- despite GM knowingly had "issues" with their calibrations when the vehicle was sold. 6L V8 diesel engine family. PCV Reroute. No codes and fuel pressure looks good as well last MAF and MAP. A. "Best" truck I have owned. Inglewood built Allison. It runs fine until you get on it and the whole truck shakes and the intake gets really loud. 2mm up and down) and turbo noise on shutdown. Dec 19, 2020 · A pressure test doesn’t show anything because the leak isn’t in the pressure side of the tank. 5 LML, WCFab billet S480 over stock, LDS 100% sticks, Exergy 12mm cp3, Mike L trans, Fass 165 The RDS 11-16 LML Duramax Diesel brand new 66mm is a stock appearing drop in turbo. I mean up the smallest incline the vanes go to 0% and boost drops to 1psi. Check out our guides like deleting the EGR and the 5 best LML engine upgrades. I checked the turbo impeller for play issues, checked tightness of all my clamps. Replaced the downpipe with another brand, new clamp, and same exact noise. Once the exhaust exits the last emissions device, the diameter is enlarged to a 4" diameter. Dec 14, 2011 · Sold 2021 LM2 Sierra 4x4 crew 6. All Stock. I looked it up and basically it's a de-tuned LML. DEF costs between $10-$15 for a 2. Jul 20, 2022 · '17 L5P: Unless the '17 & '18s have been updated with the latest revision of calibration data, you might find a few issues. This turbo will significantly lower EGT's, and not lose bottom end performance. I have a coolant leak and I have narrowed it down to the turbo coolant inlet pipe at both ends. You aren’t able to put coolant manually in the overflow side to see this. 2015. Watch videos on a single 63mm, it will be close to that. Next thing Im thinking of doing is bypass coolant for turbo. XDP has Stock Turbocharger from top-name brands including PurePower Technologies, DTech, Garrett, and many more! Jan 14, 2025 · GM 2. Aug 12, 2012 · SOLD 2001 GMC Sierra 2500HD, CC,SB EFI Live V2 w/dsp5 MAX EFFORT by Idaho Rob, EGT's Never higher than 1150* :thumb Cognito Braces, and ATP Sleeves, BD Manifold, ARP H. L5P Duramax vs LML Duramax. Dec 4, 2015 · 2015. -Fully deleted-Recently rebuilt with mahle/clevite Jun 17, 2022 · The 2011-2016 6. That was a week and a half ago. You want to have it looked at before the problem grows. The 3 items you are talking about are the 9th injector, the post turbo EGT sensor and I believe the other sensor up by the turbo is an Oxygen sensor. Studs, M. t. com/duramax-lmlIn this video, Jake covers the Duramax LML engine. Aug 25, 2022 · 2015 Chevy 2500HD 6. I was on the way home, truck was warmed up. May 20, 2022 · Have a 2022 redesigned sierra crew cab elevation 3. Oct 5, 2016 · When I researched the problem I found that the OEM Garrett turbo was said to have a design flaw, and was considered a non-repairable unit. 5 turbo diesel, L56 stock, 98 air box , F intake, GM-8 Over 470,000 km 599 block, D-Tech PMD on 5288 IP Delphi injectors at 294,100km LT265 75 R16 E Goodyear Wranger silent armour Pro Grade Firestone air ride Garrett remanufactured factory replacement drop-in turbo for 2011-2016 Chevy/GMC 6. Jun 8, 2022 · Common 2. Jun 2, 2021 · The hood scoop draws in cooler air and provides a ram air effect which improves turbo efficiency and reduces lag, resulting in overall better performance. During the loss, I could hold it to the floor occasionally and it would downshift turbo up and run like an ape back to speed, while pouring smoke, let off the throttle, upshift and bog back down. I just traded the truck in tonight on a new 2012 Denali 2500. . Aug 14, 2013 · 2013 Denali HD - 5" AFE Exhaust, MBRP downpipe, PPEI Kory Willis Rumble Tune # 5, S&B Cold Air intake, Airdog 4G lift Pump, PPE Transmission Pan, PCV Re-Route, Grid Heater Delete, EGR deleted, Opti-Lube XPD / XL Mix, Front Timbrens, 8. Like a squeal/whistle. 5 LLY. If it begins humming or rattling, there’s something wrong. 6 LMM D-MAX, With a 7" SOLID AXLE SWAP LIFT, 4inch Turbo back straight pipe, Modified Allison 6 speed done by suncoast, EFI LIVE with Danville performance Tow tune & ,DPF,DOC,EGR delete Best MPG is 18, PVC re-route Filtration F. Jan 4, 2016 · 2015 duramax turbo problems. Nov 3, 2023 · Hello All, I had to take my 2023 into the dealer 2 days ago as it was running rough and had thrown codes. Save Share Apr 5, 2019 · Turbo vane position reads 51% Do I just live with it or fix it Have been clearing codes and has not gone into limp mode. Jan 23, 2022 · In short, the most common lml Duramax problems are Injector Failure, Turbo Failure, Heat-Related Issues, Leaky EGR Cooler, Exhaust Back Pressure Valve Failure, Air Conditioning Failure, DEF System Issues, Leaky Fuel Lines & Fittings, and EVAP System Leaks. Jump to Latest 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04. 11-16 LML Duramax Powertrain 2013 duramax P003a Code Help! Jump to Latest Should I order turbo sensor and solenoid????? Or Mar 17, 2011 · Now driving 2008 Lariat 6. It’s designed to deliver V6-like performance from a smaller, more efficient package. Oct 26, 2011 · Very good turbo spool-up with this set-up alone, nothings changed since 2008, other than the mileage drop, great power. Sep 20, 2021 · Even when the cruise is set, it’ll change from low to high back to low. It starts and runs great but at moderate to heavy load in 4th 5th and 6th, it surges like crazy and my rail pressure bounces all over the map. Here are some vital facts about the iconic truck engine. It is the easiest turbo upgrade, you wont have to change anything. As soon as I got it (first week), transmission locked into limp mode. I have no problem putting in a new turbo but hate to go through all that work just to find out thats not the problem. Sep 29, 2010 · Did you get to the bottom of this problem. The turbo started to whine and it was determined to be coming from the exhaust housing side of the turbo. Replaced TCM and reflashed ECM. I have a full delete with PPEI programming and airdog lift pump. PPE manifolds/up-pipes. 2 injection pump issues, and learn how to address them effectively. Driven mostly on long Trips, no in town driving. 2015 LML GMC Denali 3500 SRW 4wd CCLB 90k Miles Mike L Trans, FloPro 4", MBRP Down Pipe, 30" FTE Resonator, S&B Intake, Twin Kennedy Pumps, Bilstein 5100, Edge CTS2 Fits: 2011 thru 2016 Chevy Silverado/GMC Sierra 2500HD/3500HD LML Duramax Diesel. Form 0 to 3000 it sputters and breaks down and lots of white smoke. Turbo blanket. Faulty vane position sensor is possible, faulty control solenoid is possible. Jul 25, 2017 · This Garrett Max-Flow Series turbo uses a fully balanced and customized Billet 63. Snugtop. I am getting one that anothercomapny is doing to add to my already robust air flow. Excessive carbon from extended idling is also possible. So 38 psi actual boost at sea level, say 40psi boost for you in Colorado. Whenever you are replacing your water pump, it's always recommended to replace the turbo coolant return hose which is located near the water pump to prevent leaks. 6 days ago · Discover common LML Duramax problems in 2011–2016 Chevy trucks, including CP4. P. ARP head studs among other mods with more mods for the future. I daily drive my truck, don’t tow a lot and when I do it’s not heavy. 4 twin turbo diesel, 82,000 km. When driving at highway speeds around 65-70 its running about 9-10 on boost and right about 1600 rpm its drops to 6-7 and goes back and forth and if you keep the pedal there it will do it non stop. Dealer Let truck sit over night outside to get same temp. Sep 3, 2010 · 2011 Chevy LML CC/DRW bone stock. Don't buy it from the dealer. The coolant flows down the drivers side rear of the engine. 5 Billet-S480FMW Billet Twins by WCFab(Illusion Blue)/Exergy 100% Injectors/Exergy 12MM CP3/Banks Intercooler/HSP Billet Manifolds/PPE Up Pipes/PPE Oil Pan/PPE Deep Trans Pan/AirDog 165 II-4G/FloPro 5" SS Turbo Back/MBRP 6" SS Tip/CTS2 Insight/EDGE EGT Probe/EDGE 0-100 Mar 12, 2023 · 2011 LML 113586 miles on it. Save Share Reply Quote Like. Jan 18, 2018 · I am need of some help. 2007 LMM CC SB EFI live with IdahoRob tune with DSP5, DPF sitting in basement, 4" turbo back,N-Fab nerf bars, stock intake, 5000# airlift helper springs, 50 gallon Transfer flow in bed fuel tank, Goodyear 265/75/16 MT/R Kevlar tires, Fully built Transmission from BD with their 3 stage low stall torque converter, BD exhaust brake,next will be lift pump, shocks Aug 12, 2018 · My 2016 lml has all the symptoms of a boost leak or failing turbo but I am unable to find any leaks in the system with it pressurized to 25-30 psi and the turbocharger was just replaced. The L5P Duramax enjoys several big changes from the LML engine that greatly improve its performance and reliability. EGR Cooler Failure, Fuel System Contamination, and Turbocharger Failure are three major issues that LML Duramax owners may encounter. 6L Turbo Diesel w/ Allison 6 Speed Trans, Il6-I06 Audio System 8" Diagonal Color Touch W/Navigation & Intellilink, U42 Rear Entertainment System, Z82 Trailering Equipment Pkg, Z85 Heavy Duty Suspension, UY2 Camper/5th Wheel Trailer Wiring Provisions, Y65 Driver Alert Package Mar 30, 2016 · - 2011 gmc denali lml - 5" mbrp axle dump - 591/472sxe compounds - dual cp3 conversion/fuelers - built motor from wagler competition - suncoast gmax 6 transmission - goerend high stall converter - fass titanium 150gph - bmf 20x9 f. Step-by-step guide to replacing a VGT solenoid on a 6. MAP Sensor Failure; Allison 1000 Transmission; Fuel Injector Failure (#4 Injector) Finding 3 problems with the L5P was difficult. 7L L3B engine: AFM system failure; Carbon buildup; Injector failure; HPFP failure; Poor fuel economy Jun 6, 2016 · Garrett PowerMax Turbo for 2011-2016 Chevrolet Duramax LML $ 2,680. 5" flo-pro exhaust with no muffler and tuning is done with EZ Lynk by PPEI. They are known for fuel injector failure, a defective water pump, turbocharger oil ingestion and glow plug failure. The LLY Duramax turbo air inlet manifold, sometimes called the turbo mouthpiece, forces the turbocharger to work harder than it needs to. Jan 21, 2012 · 2011 Chev 2500 problems started @ 1275 miles turbo replaced @ 2800 miles. Scroll down for more Duramax LML content and check back for Nov 10, 2023 · The LML engine got a major overhaul in 2011, compared to the previous LMM Duramax engine. Mar 21, 2024 · Vehicles equipped with the Duramax LML engine: Chevrolet Silverado HD; GMC Sierra HD; Most Common Duramax Engine Problems. Its original turbo mouthpiece was too narrow, thus contributing to the engine running hotter. May 10, 2015 · 2011 LML, EFI Live (PPEI), Wehrli EGR delete, CP3 conversion and Up Pipes, Fass 150, Rigid fogs and back up, S&B cold air, N-fab step bars, BT Dieselworks line pressure controller, Edge Insight, Cognito UCAs and PISK kit, Kryptonite center link and tie rods, Bilstein 5100 shocks, Nitto Exo Grappler with 20X9 Fuel Trophy, Nictane adapter, Flo Pro exhaust w Aero resonator, Profab down pipe, PPE Apr 25, 2019 · 13 lml had turbo issues and replaced it. Have had no DEF problems, or for that matter no problems at all. Garrett Brand New Turbocharger, No Core Charge 848212-5002S – DmaxStore Apr 9, 2013 · DRP Sump, 4" turbo back exhaust, 3" MBRP down pipe, AFE Momentum HD Intake, FASS 150 Titanium, Motor Ops with trans tuning, Edge Monitor, AMP Steps, CST Performance 3-6" Lift, CST Performance Dirt Series 2. its only done it twice so far but I run into this with a truck here and there that I tune, the code says "Turbocharger boost performance High" any help on this subject would be Apr 18, 2018 · Some times wiring problems are difficult to separate from sensor problems. The LMM Duramax engine introduced in 2008 underwent significant changes to meet new emissions regulations. GM has told me the turbo actuator is failing and there is a miss fire and the head will need to be replaced. It is sticky and will fix your problem. The factory Garrett VGT turbocharger uses a solenoid to control the vane position, which is responsible for regulating airflow to the turbo and controlling boost pressure. Duramax L5P Engine Problems. Idk if that is what is going on with yours, but there is a TSB for this. Reduced Fuel Economy Dec 28, 2020 · I love mine on my LML. 5. Just wanted people to know how GM treats people that spend 70K. e. banks ram air box, banks driver side boost tube, afe mouth piece, de down pipe, 4 inch mbrp exhuast into 8 inch stack, ppe ported rail fitting, ppe race fuel valve, ppe cp3 line kit, south bend single disc clutch 550 rated, airdog 150 lift pump, duramaxtuner dsp5 Jul 25, 2024 · It suffers from a few problems, including MAP sensor failure and fuel injector malfunction. The further I go with this the more I realize that this configuration is quite different than the 2012, and with everything that comes stock from the factory I still have significant work to do to get all the components in front of the turbo removed, plus the oil drain and up pipes seem very, very difficult to get to. Mar 1, 2021 · Took it to a shop and there were no engine codes. A restricted exhaust. 5hrs you can do it. that dealer added 117 miles and kept it 10 day and from what I saw on ny dash cam the work they did in 10 days was maybe 1 hour and they drove 117 miles in I have been fighting an issue on some LML trucks and in pretty much in all operating systems where the turbo desired and actual boost do not follow eachother. The ideal fix is to use Duramax aftermarket parts like a cold air intake and either an aftermarket turbo inlet or one from a stock LBZ engine. 2011-2016 LML Duramax Turbo Replace the failed turbo on your 2011-2016 Chevy/GMC 6. Many horsepowers RIP @474084km - 1994 K1500 Silverado ext cab, shortbox 6. 5 box, 2018 L5P Sierra 4x4 SB, 2011 LML Sierra 4x4 CCSB, 2010 LMM, 2004. No problems since. Now with new turbo the code (P003A) tells me that it is a turbo boost control problem which has a solenoid and a different 6 days ago · On paper, higher fuel pressure sounds good, but you can’t talk about common LML problems without mentioning the ticking time bomb of an injection pump. Apr 20, 2024 · When addressing problems with the LML engine, it’s crucial to understand the common issues related to its internal components, exhaust, and emissions system, as well as electronic monitoring and fuel injection errors. 5 GMC 2500 HD DENALI CCSB 4X4 LML. A class action lawsuit was even filed against GM for its use of the CP4, alleging the injection pump was designed around European fuels which have more lubricating properties than the ultra Nov 24, 2018 · The failure is most common in higher horsepower engines, but can still occur in moderately modified and even stock power plants. 0L turbocharged Duramax diesel engine (RPO LM2) may exhibit a lack of performance along with DTCs P003A (Turbocharger Boost Control Position Exceeded Learning Limit), P0046 (Turbocharger Boost Control Position Performance), P0299 (Engine Underboost) and/or P0234 (Engine Overboost). It featured nearly 60% freshly designed parts, only leveraging a portion of the previous engine design. Please see the attached log file. Feb 22, 2024 · 2016 GMC DenaliHD Crew Cab 4WD DRW 3500, GAZ Summit White/H2Y Cocoa Dune, 5SA Denali, CF5 Power Sunroof, LML Duramax 6. 0 Duramax Overview. Cognito Level 4 level, Fuel Mavericks and Nitto EXO 275/60R20s. Jun 13, 2015 · Most common problems with he 2011 vs later years seem to be related to NOx sensors and DEF tanks. com417 Mar 2, 2018 · I have soot problems, I have no color, the DPF gains soot extremely fast. It seems like there is no turbo untill you hit 3000 rpm. May 10, 2015 · Why not pressure up the system from the turbo mp on to like 10-15 psi and get a bottle of soapy water and find it . Aug 15, 2024 · 3. So in th Aug 26, 2012 · After the turbo is warm stick your arm behind the turbo, careful not to get burned Attach the straw to the can of power foam and it inside the back of the turbo, about 1/4 of the can. I have since spent a lot of time on suspension and driveability repairs and upgrades during that time while towing with it regularly while I got a feel for the truck. I hope it does not happen on this one. The problem started a while back and has gotten worse with time. Fleece Performance Cheetah Turbocharger For 2011-2016 6. Basic mods consist of egr delete, LBZ MP, pcv reroute, 5" turbo back, cts2 readout, PPE Xcelrator HOT. Installed a set of 45% over SAC injectors at the same time, 3" down pipe and 3. Aug 2, 2015 · Final outcome of the Turbo Squeal problem!!!! Wanted to re-post to tell the final outcome to what I thought was a Turbo Squeal problem. 6L Duramax engine family is comprised of traditional V8 engines and the only modern full-size inline-6 diesel is the 6. This is an older thread, you may not receive a response, and Apr 17, 2020 · 2001 2500hd 4wd extended cab ls, s&b cai, 4" stainless steel exhaust, efi live from atp trucks, edge cts, ppe boost valve, banks intercooler pipe, air dog ii 165, rebuilt tranny with suncoast kit, transgo shiftkit and billit torque converter, new upgraded tailshaft, pump rub fix on transfer with new aluminum tail shaft, new tow mirrors, new gage heavy duty front and rear bumpers, beans sump Apr 26, 2011 · 2015. Nov 26, 2011 · 2005 lly sclb 4wd manual trans. LML exhaust manifold. Nov 8, 2015 · 2012 Chevy 2500HD LML CCSB 4x4 Mocha Steel Full Egr delete,Profab manifolds, up-pipes, downpipe, 5'' Flo-pro straight pipe, EFI Live by Kory Willis, S&B CAI, Leveled on 285/70/18 Toyo Open Country M/T Sep 24, 2020 · Duramax LMM Engine Problems. Jun 10, 2014 · 2005 Silverado EC/SB, LLY, 4WD, Edge CTS w/ EGT probe, LML Exhaust Manifold, PPE shimmed FPRV, Banks LBZ air cleaner, Profab intake, LBZ Turbo Mouthpiece, Kennedy twin lift pumps w/ megafilter, Corsa 304 SS Exhaust, Mike L tranny cooler, EXAXT Steering System, Redhead Power Steering Box w/ Amsoil PS fluid, Green Torsion Keys, Allison Deep Pan w/ Suncoast Filterlock and Transynd ATF, Bilstein Jan 19, 2012 · 2005 Silverado EC/SB, LLY, 4WD, EFI DSP5 V2 (Idaho Rob at ATP), Edge CTS w/ EGT probe, LML Exhaust Manifold, PPE shimmed FPRV, Banks LBZ Ram Air Intake, RDL EGR Delete, LBZ Turbo Mouthpiece (w/ blocked resonator & rerouted PCV), Kennedy twin lift pumps w/ megafilter, Corsa 4" Turbo Back 304 SS Exhaust, Mike L tranny cooler, EXAXT Steering System, Redhead Power Steering Box w/ Amsoil PS fluid May 13, 2014 · 2001 LB7 6" lift w/ 18" DC1's, 15% over injectors, BD supermax turbo, stage two afe intake, EFI live by Idaho Rob, banks intercooler, ATS trans cooler, eaton fuller rear locker, and ATS trans converter. GM doesn't have a date for parts and won't give me a rental. and Ratio Tech kit. Mine had about 30K miles when it happened so GM replaced the whole pipe under warrenty. Dec 21, 2019 · Click and buy to be entered for the Turbo giveaway 👉 https://truckmasterdiesel. Oct 7, 2017 · When I bought my LML, I asked him about the CP4 issue, he said the majority of the tear downs he was involved with, the truck had either gasoline or water in the fuel. Not specific to one version of Duramax in particular (ex: LB7, LLY, LBZ, LMM or LML), the problem exists across all generations. Sep 25, 2024 · My personal truck is a 2007 GMC Sierra LBZ CCSB 4x4 with HSP piping, Danville 68stage2r turbo, PPE manifolds and up-pipes, Limitless 1078 TC, Stock trans with Trans Go Jr. mod, MA Aluminum Bleeder, PPE Boost Valve, Banks Ram Air- Intercooler, FASS 150, LBZ FPR, Shimmed FPRV, 4" MBRP turbo back exhaust w/6"tip, Corsa Muffler Feb 7, 2012 · I had it happen to me on my LMM. On tuesday the told me turbo was giving code but was not acting up for them. The P003a code is set if during that learn cycle, a problem occurs with the vane mechanism system that prevents the learn from completing. 22 Nitto Trail Grappler MT, color matched everything, recon tail lights and 3rd Sep 6, 2015 · Recently my truck has felt different, seems pretty sluggish like something is holding it back, I've got no codes, truck is 100% stock, 118,500 miles 2011 LML CCSB. He recommended I delete my truck, but don't worry about the CP4. You're reading atmospheric pressure there at 14. Both the LM2 and LZ0 engines are three-liter inline-6 diesel engines. So after removing and re-installing the 3" MBRP Down pipe 5 times, I threw in the flag and took it to a local muffler shop that tinkers with performance mods. Mine will continue to rise and not relief until I decelerate then causing turbo bark. Dec 17, 2012 · Mine sits in the garage sometimes for 2 months or more at a time. I have a similar problem where losing coolant into exhaust and have bypassed EGR coolant lines but still losing lots of coolant which shows as mist out exhaust also dripping water out of exhaust under truck. Up to you. Jul 18, 2013 · 2005 Silverado EC/SB, LLY, 4WD, Edge CTS w/ EGT probe, LML Exhaust Manifold, PPE shimmed FPRV, Banks LBZ air cleaner, Profab intake, LBZ Turbo Mouthpiece, Kennedy twin lift pumps w/ megafilter, Corsa 304 SS Exhaust, Mike L tranny cooler, EXAXT Steering System, Redhead Power Steering Box w/ Amsoil PS fluid, Green Torsion Keys, Allison Deep Pan w/ Suncoast Filterlock and Transynd ATF, Bilstein Oct 21, 2014 · 2016 lml chevy ccsb. Increases spool without the loud turbo whistle of many aftermarket turbos. If the sound starts to change, you may be looking at a turbocharger problem. 6mm Jan 22, 2010 · ECM utilizes a turbo vane control solenoid and a turbo vane position sensor to control the turbo vanes. Feb 12, 2023 · The noise should be faint and barely noticeable. When I got to work the other day it was puking out. I’ve got a fleece power flow 750cp3 and an SDP compound turbo kit on my 16 Denali drw. Behind-grill lightbar. 5 Extreme V Stainless Plow This a Genuine OEM Garrett Turbo Vane Position Sensor for the all 2006-2016 Duramax LBZ, LML, and LML trucks. Other Duramax LLY problems included the following: Head gasket failure; Injector harness chafing; Water Jun 7, 2021 · LLY tuned. 2011 LML Sierra 4x4 CCSB, 2010 LMM, 2004. Feb 4, 2015 · I have a 2011 lml with about 45k on its deleted with H and S with efi tunes. 7K views 6 replies 4 participants last post by FightinTexasAggie Nov 24, 2018 Mar 14, 2017 · I installed an MBRP downpipe on my 15 LML. 8. I also installed both of the sensors up by the turbo. Use about 1 gallon of DEF per 1,000 miles. 3--Removing the fuel pressure regulator from a failed LML CP4 pump reveals significant contamination. ` Question, driving down to the beach with a Travel Trailer about 8000lbs, when i received codes P003A/2599 and P2598 Aug 15, 2009 · The problem is the PCV-- it dumps oil into the turbo and into the inner-cooler. From at stop at wot, it'll hold 29-31kpsi no problem but as soon as it shifts into 4th, it starts surging. The truck idles fine and is fine anything over 3000 rmp. Make sure to get a new seal for the turbo oil feed but other than that it's easy. Let’s look at these specific problems and provide you with the insight you need to tackle them effectively. reason for this is low boost (12psi max), shaft play (approx. Two of these common problems are really cheats by me because there aren’t a lot of common problems on these engines and Sep 19, 2020 · My first time working on lml, I have a built lly I know like the back of my hand Garage: 2004. 5 Chevy 2500HD CC - 5" FloPro Turbo Back - EFILive by Dan's Diesel Performance More to come hopefully Mar 13, 2014 · 2011 Duramax LML - SOLD LTZ, Z71 pkg, VYU pkg, CCSB AMSOIL in the diffs • Edge Insight CTS • FASS 150 • FLO~PRO 5" exhaust • H&S Performance • LINE-X bedliner • Mobil 1 5w-40 syn • PPE Diff Cover • Rough Country steering stabilizer • TranSynd • Trifold Tonneau Cover May 28, 2023 · The LML is the 2011-2016 variant of the Duramax 6. 5 LML problems Jump to Latest 5. I am at 9 or 10% at idle on my insight. 6 Liter LML Duramax. May 31, 2012 · 2019 Sierra Denali 3500 DRW 4WD. Brendan Sep 14, 2024 · Hello everyone, I purchased a used 2011 3500HD 4x4 Crew Cab Dually with an LML and 194k miles about 5 weeks ago. Read also >> Exhaust Brake Problems (Here Is How To Fix) Piston Cracking at High Power Levels. thus increasing the boost. Oct 10, 2022 · 2--Internal inspection of a failed LML CP4 pump reveals significant contamination. 6 Duramax. DPF system & active regeneration; Leaking transmission lines; Fueling / low fuel pressure; Piston / crankshaft failure; Allison 1000 power limitation; The LMM is an extremely capable engine. I finally decided to replace the whole thing with a simple fixed geometry S366 from HTT. Jan 4, 2013 · Never figured it out for sure. Normally during gear shift you see your boost rise through the gear and a shit it drops a little and boost rises again. comsales@bitterrootdiesel. Jul 27, 2020 · I have a 2013 LML customers truck that will throw P2599 and put the truck in reduced power, he can clear it and keep going but it happens on a hill at the worst time. It appears that when the truck transfers from Open loop VGT to some other vane control table the turbo vanes actually open up rather than closing down. Since the engine was introduced, the complaints about it have been limited. Up to this point, all of the previous Duramax’s had some internal weaknesses and common problems with bending rods and cracking pistons. Oct 1, 2016 · it ws just released for the LML recently, DT wont sell it to you if you tell them you are deleted. Mar 28, 2022 · 2009 LMM Duramax Crew Cab Short Bed 4inch Exhaust, 3inch downpipe, S&B Cold Air Intake, PPE Hi Flow Up Pipes, Resonator Delete, PCV Reroute, Fuel Rail Plug, Ported Fuel Rail Fitting, High Flow Turbo Mouthpiece, 3 inch Hot Side Turbo Pipe, 3-inch Cold side turbo pipe with Y bridge, 3inch Drop Shackles, Edge CTS3, Air Dog Lift Pump Apr 28, 2015 · 2015 GMC 2500 Denali, Wehrli Fab S475 / Danville 3794 Stg 2 Turbo Kit AFE 4" Mach XP Stainless Steel & AFE 4-7" Black Tip Fass 150 Titanium Lift Pump Dec 7, 2017 · I know that it not being driven a lot caused the problem, but when you have four vehicles and only two drivers something has to stay home. And a exergy 10mm cp3 conversion kit but still stock injectors and transmission. It shows to go from 0-100% when it sweeps. Give it time. Not saying you don't have a problem, just commenting on the pressures read. PPE 3” Down pipe. It was not fun removing the turbo on the lmm. I just finished my cp3k conversion on my lml. 7L L3B Turbo Engine Review. 6L Duramax diesel, including diagnostics information and basic operating principles. The LML Feb 13, 2018 · Maybe I need to re-phrase my question. 5 ALCOA's wrapped Jul 16, 2017 · Thanks for the info, I talked to danville Friday about the lml 65 stg2 and they said Mark has it on his truck currently, and tows and loves it, the truck he was it on still has stock sticks with a built trans, said it spools quick just like factory and tows awesome, low egts ect. Mar 13, 2023 · Loose Turbocharger Actuator Bolts October 13, 2020 Some 2020-2021 Silverado and Sierra models equipped with the 3. A "physical" restriction in the oil drain away from the turbocharger. The turbo uses an 11-blade 60. Here is some info on my truck. - 33x12. Brock 06 LBZ ECLB Gauges, DP Tunes, 5" Dumped Nov 15, 2016 · I recently picked up my lml and about to do the following mods: PPEI Tuning ECM/TCM FASS 150 w/sump Exhaust egr delete (passenger side intake tube) WCFAB Sportsman CP3 conversion (hopefully its worth the money over an aftermarket turbo) My question is what are you guys seeing maxxing out the stock turbo for hp/torque? Sep 2, 2022 · I've got a 2011 3500HD LML with 49k miles on it. Discussed below are possible problems you should look out for in the 2. Apr 4, 2020 · The downpipe did come out rather easily through the fender well. Jul 17, 2017 · Hey guys, been a while since I've been here. May 4, 2009 · The turbo does a learn automatically at each key cycle. Deep Oil and Trans pan. 5 gallon jug from a auto store. Across the board, it seems that many of the defective Duramax engines deal with the same problems. 6-liter Duramax LB7 engine that debuted in 2001 in heavy-duty pickups like the Chevrolet Silverado 2500HD, offering a fresh new start after Upgrade, repair, or replace the LML turbo on your 2011-2016 Chevy Silverado 2500HD/3500HD or GMC Sierra 2500HD/3500HD 6. He said by far the biggest warrenty issue was emissions / DEF related. We have a handful of Duramax LML engine guides and plan to continue adding more insightful, in-depth articles for the LML. Apr 10, 2015 · Boost control is based on absolute pressure. Bought used from the original owner at 51,xxx. I am due for a trans fluid change. Modern turbodiesel engines are dependent on the turbocharger for proper efficiency and operation. Pusher Y bridge + hot/cold charge pipes. PPE stage 3 tie rods. Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may be a little (or a lot) different Feb 12, 2011 · by tools i mean all my tools and box which by its self will do a good job of squating a 2500 cummings, and i have to bring those and my car for st louis to columbia, sc june or july and i was planning on waiting for the bigger turbo til i got all the stuff done that can cause problems and then i will start doing the wish list stuff Feb 18, 2010 · 2005 Silverado EC/SB, LLY, 4WD, Edge CTS w/ EGT probe, LML Exhaust Manifold, PPE shimmed FPRV, Banks LBZ air cleaner, Profab intake, LBZ Turbo Mouthpiece, Kennedy twin lift pumps w/ megafilter, Corsa 304 SS Exhaust, Mike L tranny cooler, EXAXT Steering System, Redhead Power Steering Box w/ Amsoil PS fluid, Green Torsion Keys, Allison Deep Pan w/ Suncoast Filterlock and Transynd ATF, Bilstein Dec 12, 2020 · The main restriction is the turbo air inlet manifold. Jul 6, 2021 · The original turbo mouthpiece was too restrictive, which contributed to the engine running hotter. Dec 15, 2021 · Chevy / GMC Duramax 11-16 LML Forums. I started to see slight contact of the compressor blades to the housing. at 1322 mileage threw engine code for P2C7A . The oil gets under the boot and make it easy to blow off under pressure. 5 LLY 3/4 ton Chevrolet 115k miles on the clock. 4--InjectorsDirect. 7 Cummins. Before you condem your turbo, consider the fact that even a good turbo will leak oil given certain circumstances. Summit White. 50. Cruising at 75mph on the interstate it drops to 0% under any kind of a load and I am losing boost. Nov 10, 2023 · How reliable is the Duramax LML engine? Learn about common engine problems including CP4. I eventually believed it to be the turbo going bad. Wednesday morning Dealer said turbo actuator was failing and turbo should be replaced. 6L Chevrolet Duramax LML Jan 23, 2012 · 2005 Silverado EC/SB, LLY, 4WD, Edge CTS w/ EGT probe, LML Exhaust Manifold, PPE shimmed FPRV, Banks LBZ air cleaner, Profab intake, LBZ Turbo Mouthpiece, Kennedy twin lift pumps w/ megafilter, Corsa 304 SS Exhaust, Mike L tranny cooler, EXAXT Steering System, Redhead Power Steering Box w/ Amsoil PS fluid, Green Torsion Keys, Allison Deep Pan w/ Suncoast Filterlock and Transynd ATF, Bilstein Dec 20, 2008 · The most common turbo complaint is one of smoking, burning oil or "blowing oil". The max boost you see is actually 34ish, which is possible i belive, but not good for a stock turbo. After new tunes from kory and talking to numerous people about it. The problem for me was oil that softens the rubber connection and causes it to pop under a high boost situation. However, this doesn’t mean that the engine is faultless. I installed a new turbo because I thought old one was bad. This 66mm Duramax turbo is great for a truck with an upgraded fuel system, can still daily drive, tow, and run hard on the track or strip. I’m undecided between a new oem turbo that I can get for $1200 or a reman Ryan’s diesel service 64mm turbo for $1500. com has put together a complete kit using updated Bosch components to properly repair LML & LGH fuel systems. Aug 31, 2014 · Im replacing a turbo on a friends 2011 chev 2500 LML. i. 6L LML Duramax trucks. The stock air intake system of the engine caused this. Aug 12, 2014 · 2005 Silverado EC/SB, LLY, 4WD, Edge CTS w/ EGT probe, LML Exhaust Manifold, PPE shimmed FPRV, Banks LBZ air cleaner, Profab intake, LBZ Turbo Mouthpiece, Kennedy twin lift pumps w/ megafilter, Corsa 304 SS Exhaust, Mike L tranny cooler, EXAXT Steering System, Redhead Power Steering Box w/ Amsoil PS fluid, Green Torsion Keys, Allison Deep Pan w/ Suncoast Filterlock and Transynd ATF, Bilstein May 31, 2018 · 2015. 3 hours ago · The first fruit of GM and Isuzu's partnership was the 6. 7L L3B Turbo engine has its strengths. Bilsteins. I reinstalled all of them as the 9th injector is shut off with my tuning. Here are 4 areas to look at: A restricted air inlet. The turbo vanes were sticking so i had it replaced and it still is acting up. - Remove intake pipe and turbo mouthpiece (tools will depend on what mods you've done) - Remove banjo bolt for oil line (19mm) Dec 27, 2020 · My factory turbo finally went, it’s dumping oil into my exhaust. It does this by essentially choking the turbo because of its small, restrictive design, forcing it to work harder to produce the same amount of boost. The code was given at 8 degrees out . Sep 9, 2014 · Just wondering if anyone here has run into this yet. Started up the next morning and it seemed fine. The 2004 to 2016 Duramax diesel employs a Garrett variable geometry turbocharger, which uses engine oil pressure via the VGT solenoid to change the position of vanes in the turbo turbine housing. Cooper AT3 xlt. I found a local diesel mechanic to do the work, $1600 for a OE brand new turbo from a local chevy dealer, $900 labor plus gaskets and tax. S. Have 14,000 miles mostly towing a 12,000lb 5th wheel. The ECM also calculates boost internally based on load, speed, turbo speed, etc and then uses as a sanity check on the MAP sensor. 0 Resi Shocks, Fuel Forged FF07 22x12 -51offset, 325. Save Share EGR is GONE. Jan 27, 2014 · 2005 Silverado EC/SB, LLY, 4WD, Edge CTS w/ EGT probe, LML Exhaust Manifold, PPE shimmed FPRV, Banks LBZ air cleaner, Profab intake, LBZ Turbo Mouthpiece, Kennedy twin lift pumps w/ megafilter, Corsa 304 SS Exhaust, Mike L tranny cooler, EXAXT Steering System, Redhead Power Steering Box w/ Amsoil PS fluid, Green Torsion Keys, Allison Deep Pan w/ Suncoast Filterlock and Transynd ATF, Bilstein Apr 1, 2009 · The turbo doesnt have its own oil, that is why it is horrible idea to shut your truck off while cruisng down the road or right after you rev it up, because the engines oil pump quits pumping oil to the turbo at that point and the turbo gets hot and the bearings go etc Jul 22, 2014 · 2013 turbo problems. Jun 12, 2017 · 2020 GMC Denali HD CCSB L5P/10L1000 Allison 4x4 SOLD2016 Sierra 3500HD Denali CCSB SRW UDP Tunes on V2/SOTF Switch/Danville 63. Remove the boot and clean it and the cooler pipe - (I use paint thinner) Then spray the fittings with hair spray-- YES, hair spray. Feb 6, 2016 · The LML sensor reads up to 53psi absolute. 95 Add to cart. This is unique considering the 6. Feb 1, 2023 · GM had resolved the injector problems by the time the LLY engine was released. Exergy has a 31k rail pressure relief I put it in and solved my problems. See if they have been replaced under warranty. 5mm compressor wheel which allows for a broader power band and lower EGT's compared to the stock Garrett unit. Jun 3, 2012 · Alright I got a 2011 and a 2012 cab and chassis flatbeds and they have LGH Duramax motors, not LML. Feb 24, 2019 · I noticed it about 6 weeks ago, a glow plug went bad and I replaced it a couple weeks later, all good, then about 2 weeks ago I started my truck one morning and did not have the "jet sound" upon start up and also noticed that it sounded like the exhaust was under water- a muffled exhaust note. 6-liter LML Duramax V-8 engine is the capstone of GM’s Pre-L5P turbodiesels. Since then, EGR blocked 2012, deleted 2013, 2012 DE downpipe, quiet tone front pipe, 2015 aFe hotside pipe (which was claimed the best out of all of them from a few vendors), my mileage is, if I'm lucky same driving for 9 Sep 8, 2012 · Diesel Dave 2008 3500 HD DUALLY 4WD SLE 430 HP/1050TQ 6. amount of abrasive cleaning on the unison ring to rectify the problem. 0 duramax . Currently 111,xxx miles. zqoz gvoxr xid wfeqbx lukg gqfu frendb drcpw flxgq tzanm