Lly problems

Jul 11, 2024
Whether if it is a 2006 first quarter LLY or 2006 LBZ still the same engine. Just the 2006 LLY was a detuned LBZ. Now it is different from the 2004.5 to 2005 LLY. Different generation completely. In 2006 CanBus interface was the standard for the OBDII interface.\ Brian.

The best response that I have found on here was that you might have a flat spot on the fly wheel and just every so often your starter hits it when starting. I guess I will just deal with it. 2005 2500HD LLY 6" RCD lift, 80h Injectors. EGR Blocked & unplugged, Edge juice/attitude. LBZ MP w/ Rick D. Lance 4'' intake.Hi folks! I'm on a road trip and having intermittent problems with my 2004 LLY. It's throwing codes P0202, 0203, 0205, 0208, and P2149. I've spent a good bit of time searching the forum and have found the descriptions on the wire bundle that's zip tied to the alternator bracket. I've pulled these bundles apart and all of the wires appear fine.The FICM monitors the status of the ignition voltage circuits and the fuel injector command circuits. When a fuel injector circuit condition is detected by the FICM, all of the fuel injectors on the affected ignition voltage circuit will be disabled. If a circuit condition is detected on a fuel injector circuit for cylinders 1, 4, 6, or 7, DTCs ...Sep 6, 2022 · Now, the LLY has a catalytic converter in most models. Upgrading the downpipe + getting a 4″ catback will run you around $600. If your truck doesn’t have, or doesn’t require, a catalytic converter, then the LB7 exhaust is a direct bolt-on and is turbo-back for only $399 which would be the best option and cheapest. Price: $419.99.Most Common Problems With 6.6 LLY Duramax: Despite LLY Duramax being some of the best diesel engines on the market, they are not perfect. Many LLY Duramax engine owners have reported that LLY Duramax engines have experienced certain problems over time.I've got a problem. Was driving to work when suddenly there was a loud popping or banging sound. At first I feared a rod was going. ... Duramax Second Generation: 2004.5-2005 (LLY) 6.2L Diesel Engine Fuel System, Air, Exhaust & Emissions Upgrades. Top Contributors this Month View All mp06011999 317 Replies. torqueofthetown 129 Replies. 5 ...I've got a problem. Was driving to work when suddenly there was a loud popping or banging sound. At first I feared a rod was going. ... Duramax Second Generation: 2004.5-2005 (LLY) 6.2L Diesel Engine Fuel System, Air, Exhaust & Emissions Upgrades. Top Contributors this Month View All mp06011999 317 Replies. torqueofthetown 129 Replies. 5 ...Duramax LLY problems, limp mode& low coolant light warning. Tags duramax lly. ... A 2004.5 with a LLY duramax motor. It already has the EGR delete kit on it, and the silencer delete on the air intake boot off of the turbo. It also has a Bean machine lifter pump, with the fuel filters mointed on the side of the frame and lines coming straight ...It's fine. I add a half gallon every 20-30k. My hose stays hard every once in a blue moon too. If it aint smoking white and blowing coolant out the overflow, I wouldnt worry about it. 06 LBZ EC/LB 4x4. Built Motor/Trans • Bullseye s475/87/.9 • 45% Injectors • Stock CP3 • Built and Tuned by Blackout Performance • 11.76 @ 115 SOLD.The LLY Duramax 6600 liter of the year 2004 is a transitional engine. It is the stage where the engine evolved to meet the stricter modern carbon emissions controls established in the United States of America. Duramax maintained the engine's competitiveness in the market. The 6.6-liter engine abandoned the LB7's fixed geometry waste gated ...In this video i have clearly explained about the accounting concepts with and simple problem and i entered those entries in tally erp9One you go through this...Dec 5, 2016. 6. 0. 0. Dec 5, 2016. #1. I just replaced the thermostats in my LLY, but my ECT numbers are still sitting between 149f and 163f. I understand that operating temperature is around 180f - 185f. I test drive the truck and let it idle for a good 20.6055 posts · Joined 2010. #33 · Sep 20, 2011. The harness is made up of pins at the termination point, there is one 12 volt power feed and a ground. If the fuse panel is bad there will be an issue with the power supply. Use a voltmeter to check it, you can find the the schematic somewhere online.The LLY -- 04.5--05 years had a connection problem with the injectors, and a wear through on the FICM harness-- both an easy fix. Less common is some higher …Aug 30, 2022 · CP3 Failure NightMare !!! Hello gentlemen, I'm looking for any advice please...., it seems I have a very rare situation with my DuraMax CP3 high pressure diesel injection fuel pump (s). I purchased a 2005 Chevrolet Kodiak C4500 / C4C042 LLY with 97,000 miles on it, about 5+ years ago, and the original CP3 went on it soon after, during a test ...2004.5 LLY CCSB LT 4X4. 5" inch cat back exhaust. K&N air intake. C20ELEPHANT. 7094 posts · Joined 2013. #3 · Apr 13, 2016. Replace the batteries if you know their bad, these trucks do some weird things when the batteries are going south, the fan clutch is mechanical so replacing it might be the fix there.. ~ Mike H.~ .05 lly cant figure out my problem! I was driving down the highway 65 70mph while towing my sxs and hit fuel limp mode nothing over 2000 rpm, I was about an hr and a half away from home so I just kept going. About 20 min from home truck completely shuts down as if someone just turned the key off, will not re restart, has no prime at fuel filter ...Kidney problems (kidney failure). Diarrhea, nausea, and vomiting may cause a loss of fluids (dehydration), which may cause kidney problems. It is important for you to drink fluids to help reduce ...Common LLY Duramax Problems. Overheating and blown head gaskets. While head gasket failure often comes as a result of overheating the truth is the 2001-2006 Duramax head gasket has a weak design and doesn't plague ONLY the LLY trucks. Pressurized cooling system, loss of heat in the cab, and coolant loss can all be related to failed head …Problems with Professional Carpet Installation - There are certain problems associated with professional carpet installation. Visit HowStuffWorks to learn more. Advertisement As we...Rpm gauge problems. LLY: Jump to Latest Follow ... 2004.5 2500HD LLY EXT CAB L/B Allison 4x4 Skyjacker 6" lift, Edge w/ Attitude, 4" turbo back exhaust, BD Exhaust Manifold, BD Exhaust Brake now replaced with Banks TurboBrake, Nicktane Filter, Kennedy Lift Pump, EGR Delete, Mag-Hytec trans pan and diff cover, Suncoast Transfer Case Support ...New person here and I have a 2004.5 lly and started having limp mode problems while towing my RV then took to a shop after that happening twice had 5th gear solenoid and internal harness replaced then truck seemed to be fine till 2days ago when it went back into limp mode for 3rd time and 4th time today. After the parts where installed any help ...Jan 22, 2008 · LLY problems. Jump to Latest Follow ... 05 LLY 4" Volant front pipe to single 6" Black Stack, Home built GT3788r over s475, up pipes and pedistal, ...Lilly's drug, donanemab, met all goals of the trial, the company said. It slowed progression of Alzheimer's by 35% compared to a placebo in 1,182 people with early-stage disease whose brains had ...The sharp corner of the FICM bracket cuts into the wire loom and the wires. Cut the zip tie and inspect the wires inside the plastic loom. Repair the wires as necessary-- Best to isolate the harness with a short piece of heater hose. Common problem with LLY engines. 07 Chevy Classic 2500HD 4x4 2LT LBZ CC/SB White.Check your instrument panel IPC fuse, may be on left side of dash if not under hood. Also check Radio fuse. Those are often bad. Instrument panels are also often bad. If you unplug your IP and the problem goes away, you have likely found your problem. Also, use your computer to search for others who may have had similar …LLY electrical problems. ... 2004.5 GMC SLT 4X4 CCLB LLY Ally, some mystery stuff, trans by Mike L, Magnaflow DP, 4" CAT back, Ride Rites, LBZ turbo inlet mod, AD II 165, po' man CAI, HIDs, stock height, Cognito tie rods, Kryptonite pitman & idler, Bilstein 5100s, Isspros, H2 wheels with Toyo OC 285-70-17s, B&W turnover & Companion, Prodigy P3 ...Transfer case output shaft play/slop! Copy and paste from another forum.. I know, I did search it like crazy, and only found 2 post where they had this issue. I noticed a noise under the truck, climb under and could push up and down on the drive shaft at the transfer case and had movement. As I would push up, I could hear a "tap" "tap" inside ...After six weeks, I'm really getting creative in my search for the problem(s). Additional ideas will be greatly appreciated. 2005 LLY 2500 HD, pretty much stock. 337K Miles Use the old style Superchip programmer, ... All stock LLY except LBZ MP, egr blocker w/ fingerstick, PCV re-route and a 4" magnaflow exhaust combined w/ a MBRP cat delete ...After replacing that there still was no change the voltage was still running 13.6 to 13.8 making the injectors show anything from +/- 1.1 to 3.4. I tested all the power cables from battery to junction box, JB to alternator, JB to starter and passenger battery to starter. All voltage read 12.65 same as batteries.I am going to run the 2020 oil cooler as well as a large external oil cooler for overkill. The 01-16 cooler has 10 plates, 17-19 cooler has 14 plates, and 2020 cooler has 20 plates. Any cooler 17-20 is a major improvement even in terms of coolant flow. To run the 2020 you need the elbow, gasket, and cooler from GM.The LLY Duramax 6600 liter of the year 2004 is a transitional engine. It is the stage where the engine evolved to meet the stricter modern carbon emissions controls established in the United States of America. Duramax maintained the engine’s competitiveness in the market. The 6.6-liter engine abandoned the LB7‘s fixed geometry …May 26, 2022 · LB7, LLY, LBZ, LMM, LML. This problem runs across the board through the 2016 models. Air gets trapped in the fuel lines, causing starvation issues. The lack of an electric low-pressure pump to move fuel to the injection pump is the culprit. Also, the fuel filter housing for the mechanical fuel pump is susceptible to cracking.This category is dedicated to the GM Duramax LLY 6.6L diesel engine in Silverado and Sierra 2500/3500 trucks. Our Duramax LLY content includes articles such as the best LLY performance upgrades and the most common engine problems. Duramax diesels are a big focus for the ChevyTrucks team, so check back for more unique, insightful LLY guides.LLY headgasket repair. 2005 LLY truck w/EGR delete, had blown head gaskets, I removed the heads and had the heads shaved .05 and checked for cracks by a reputable diesel machine shop, head gasket tabs properly aligned, ARP studs, and heads tightened using correct torque sequence and torque. When I started the engine, it runs great, but has a ...10756 posts · Joined 2009. #2 ·Feb 13, 2022. Kennedy Diesel Performance Address: W3567 26th Rd, Loyal, WI 54446 Hours: Closed ⋅ Opens 8AM Mon Phone: (715) 255-9433.Learn about the most common signs of foundation problems and some effective methods and techniques to repair a damaged foundation. Expert Advice On Improving Your Home Videos Lates...The most common issues LLY owners encounter include decreased fuel mileage, overheating and poor turbo response. These symptoms result from the inlet mouthpiece of the Garrett turbocharger having to fit into a smaller engine space. The redesigned mouthpiece includes a sharp ridge that causes restricted and turbulent airflow and severely taxes ...2. Press the accelerator pedal to the floor and hold while quickly pressing the brake pedal three times in less than eight seconds. 3. Release the accelerator pedal and start the engine. When the engine is started, it will slowly ramp up to the high idle speed after a delay of a few seconds up to approximately.Was wondering if anyone has had problems with surging during idle in nuetral or in gear. Have checked with OB2 reader and had into Chevy dealer and found no codes. ... in the mechanic at first said they have been not having any problems with the 05 LLY but this time they looked into the problem and there is a flash for the 05 LLY but the truck ...The internet brings us a wealth of information and entertainment. It also brings us several problems, and those may include withdrawal. The American Psychiatric Association has det...On February 21, 2024, Eli Lilly and Co ( NYSE:LLY ), a leading pharmaceutical company, filed its annual 10-K report, revealing a comprehensive overview of its financial health and strategic ...Front Diff Problems- Diagram. Jump to Latest Follow ... 2004.5 LLY Crew Cab, Deep marine blue Interior: 7" Clarion flip out deck with 2 10" Kicker subs powered by 1000W Kicker amp Exterior: 285/75/R17 Hankook AT's on rims. Fender flares. Aftermarket hood. Head and taillights. Custom rear full window decal.You have some sort of electrical problem. Most lly's rub the FICM wires through right at the alternator. That causes reduced power aka 'limp mode'. There's also another place where the wires go further down and towards the valley that is problematic. You should have an associated P0207 or P0202 to go with the 2146/2149, but you don't …51 posts · Joined 2016. #1 · Mar 29, 2016. Ok so I been having this problem since winter started here by me and the only difference between this winter and last is I did a egr delete. OK so I been getting this clatter/knocking noise between 1500-2000 rpms. Like it's driving me up a wall that I can't figure it out.Starts fine, split second later it shuts down. Door locks and windows will not work and the key fob is not working. Removed and inspected all fuses under hood and in the dash. No issues found. Opened the bleeder screw on fuel filter and have fuel coming out when open. Checked battery voltage and getting 12.38.The sharp corner of the FICM bracket cuts into the wire loom and the wires. Cut the zip tie and inspect the wires inside the plastic loom. Repair the wires as necessary-- Best to isolate the harness with a short piece of heater hose. Common problem with LLY engines. Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, …Come along with Eric O. when he steps out side of his comfort zone in this multi part series and has a look at this 2005 GMC 4500 with the LLY Duramax Diesel...Jan 23, 2022 · LLY Duramax Pros. The LLY Duramax engine is one of the most reliable diesel engines made by GM. It has been proven to last over 150,000 miles without major problems. The LLY Duramax has 310 horsepower and a whopping 605 lb/ft of torque at 1,600 RPM. This means that you can tow almost anything with this engine.2005 lly, 7-10 psi at idle, 23-28 psi at 2000 rpms, have been told by 4 different duramax techs, this was normal but only in the 2005, lly,, not sure why but its scary when toting 13,500 lbs of 5th wheel cross country. 224,000 miles truck seems to run great, wish i knew for sure, Like.Dec 12, 2007. #9. duramaxin14 said: I was going to post this in the other thread titled ecm fryed but i didnt incase anyone eles has problems. On a lly if u can not get any gauges on the insturment panel to work wiggle the blue wire connected to the ecm. When u get the truck to fire up and it lopes very very bad take the back side of your blue ...1. May 16, 2008. #13. The LLY has an injector harness issue. It can rub through at the alternator bracket or injectors #2 and or #7 connector can get bad and need the ice pick treatment. The injectors, like anything else mechanical, can fail, but it is not as common and you can fix them one at a time. D.The commanding issue most LLY owners worry about is this engine’s tendency to overheat, especially when towing. In reality, not all trucks overheat, but it’s a common enough problem that it gets a …If the pedal is hard to push -even with the key off-- most likely bit is a pedal issue. You will have to replace the entire unit. A "Limp" will show a "Check Engine" light -- be limited to 2,000 RPM and only have reverse and 3rd gear. Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon ...2. Any more luck with the LLY tune. I just Got a LLY dump truck and thinking I want to try a very modest tune on it after i get all the mechanical problems sorted out. Just for some additional pep. Quick Navigation GM V8 Tuning - Engine, Diesel Top. So I'll start off with what I have. A 2005 CCSB 4x4 LLY DMAX with an Allison that is now less ...Remove the turbo 'mouthpiece'. Remove the intake downpipe that has the two O-Rings. Pull the fuel line, that is in the way, up and wire tire it out of the way - no disconnection needed for it. Plug turbo inlet and intake inlet. Clean the FPR with any good cleaner - brake clean or electronics cleaner and blow dry.rick33 Discussion starter. 25 posts · Joined 2012. #1 · Nov 13, 2012. I hope I am allowed to post this as it is an excellent read. Duramax LLY Overheating, LLY vs LBZ Air Intake, Overheating, cooling Fan. 03 LB7 Stock,365kms. 05 LLY PPE Tuner, 4" Exhaust, Cold Air Intake, PVC Reroute, EGR Block, 285kms. Save Share.Edit, has anybody had a bad egr and can tell me some of the problems associated with it? 2007 chevy lmm LTZ Z71 midnight blue 4" mbrp dsp5 egr block bf al terrains . RIP - 05 LLY and Allison 5spd ... LLY, 4WD, Edge CTS w/ EGT probe, LML Exhaust Manifold, PPE shimmed FPRV, Banks LBZ air cleaner, Profab intake, ...My 04.5 LLY has been having some issues lately, white smoke when at stop sign, Low Coolant light, Stuttering when in gear idling, hard coolant hose after sitting overnight, loss of coolant, coolant overflow, etc etc. My first thoughts was a bad head gasket, but Im starting to lean towards a bad EGR cooler.These codes indicate the following: U-0105: This code indicates lost communication with your FICM. P0611: This code indicates a non-voltage modified FICM. It means the relay system is experiencing internal issues. P0335: The code indicates the CPK circuit is faulty. P0340: The code indicates the CPM circuit is faulty.Lly Transmission Problems HELP. Jump to Latest Follow 926 views 4 replies 2 participants last post by Sebastianturco17 May 7, 2023. Sebastianturco17 Discussion starter 51 posts · Joined 2022 Add to quote; Only show this user #1 · May 7, 2023. I was using my duramax today to haul wood around the farm. ...This Chevrolet Kodiak C4500 with the Duramax LLY derated and threw engine code 1093 "Fuel Rail Pressure (FRP) low during power enrichment". This is typically...The LBZ Duramax: Reliability & Common Problems. Watch on. 1. Cracked Pistons. The LBZ is revered for its tune-only performance capabilities. With various upgrades, this engine is easily capable of producing over 600whp and 1,000lb-ft. of torque. However, one common failure point on tuned engines is cracked pistons.The AC compressor will kick in for approximately 3 seconds in 6 second cycles. When I put my finger on the relay, I feel it click on and off when the compressor does. It does not blow the smallest amount of cold air. I doubt the AC system has ever been serviced. My first thought was low freon, so I recharged it to the proper PSI. Nothing changed.Duramax LLY Downpipe Upgrade Benefits. One of the main reasons that we recommend owners to upgrade their downpipe is the impact that it has on exhaust gas temperatures. The LLY is known to overheat easily when towing or under heavy stress. Aftermarket pipes typically have better thermal properties than the stock unit.Ok so I been having this problem since winter started here by me and the only difference between this winter and last is I did a egr delete. OK so I been getting this clatter/knocking noise between 1500-2000 rpms. ... 2005 lly CC/SB AFE 4' turbo back, kodiak mp, blocked egr and rerouted pvc, hypertech autometer pods hidden gooseneck 50 gal ...Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain 2005 EGR problems. Jump to Latest Follow ... Sometimes adding a full straight pipe exhaust will cause those codes to come up. I had the same problem before. 2018 GMC 2500 HD CC/SB Stock 2006 2500HD GMC Sierra SB/CC SOLD. Save Share. Like.LLY: Garrett 763527-0512 LBZ, LMM, LML: Garrett 763527-0712. Post navigation. Previous. P0449 Engine Code - Diagnosis & Troubleshooting. Next. The 4 Most Common Duramax LML Engine Problems. ... Of course, many early model LML's experienced SCR and DEF problems, resulting in expensive repair bills. ...Most Common Problems With 6.6 LLY Duramax: Despite LLY Duramax being some of the best diesel engines on the market, they are not perfect. Many LLY Duramax engine owners have reported that LLY Duramax engines have experienced certain problems over time.Non-transmission issues are as follows: Turbo Inlet Manifold. Head Gasket Failure. Injector Harness Chafing. Water Pump Failure. Overheating. EGR Valve Problems. Glow Plug Failure. ... The head gasket can be a severe issue for the LLY Duramax and not the other versions. This problem is caused by the large factory …

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That 3833 posts · Joined 2007. #2 · Dec 24, 2012. rpm is read off the crank sensor. The cam sensor is only used as a reference for the ECM so it knows which cylinder is at TDC. I would take a look at the crank sensor as well. Remove the sensor and see if the reluctor wheel can be wiggled with a screw driver. 06 audi S4, V8/6spd.Here is our guide to the 7 most common 6.6L LB7 Duramax problems and how to fix them. 1. LB7 Duramax Injectors. The most notorious LB7 Duramax problem is their original injectors. Even GM acknowledged their problems when they corrected the original injector design and issued a 200,000 or 7-year warranty on the updated model.

How Feb 10, 2011 · Whether if it is a 2006 first quarter LLY or 2006 LBZ still the same engine. Just the 2006 LLY was a detuned LBZ. Now it is different from the 2004.5 to 2005 LLY. Different generation completely. In 2006 CanBus interface was the standard for the OBDII interface.\ BrianLLY trouble shooting. Ive been chasing a problem for a few weeks now and was looking for some help/suggestions. I have an o4 with the lly, MBRP 4 in exhaust no muffler or cat. With an edge w/attitude installed it would occasionally buck from 1600-2k rpm and blow white smoke, usually when gradually rolling into the throttle.Common LLY Duramax Problems. Overheating and blown head gaskets. While head gasket failure often comes as a result of overheating the truth is the 2001-2006 Duramax head gasket has a weak design and doesn't plague ONLY the LLY trucks. Pressurized cooling system, loss of heat in the cab, and coolant loss can all be related to failed head …Dec 4, 2019 · Instead, many LLY Duramax problems stem from overheating. A new variable vane turbocharger and an EGR system were also added. Check out our LLY Duramax Specifications chart below for detailed information! 6.6L LLY Duramax . The LLY Duramax was produced from 2004 to 2006, before it was eventually replaced by the LBZ Duramax. It was a stepping ...Rpm gauge problems. LLY: Jump to Latest Follow ... 2004.5 2500HD LLY EXT CAB L/B Allison 4x4 Skyjacker 6" lift, Edge w/ Attitude, 4" turbo back exhaust, BD Exhaust Manifold, BD Exhaust Brake now replaced with Banks TurboBrake, Nicktane Filter, Kennedy Lift Pump, EGR Delete, Mag-Hytec trans pan and diff cover, Suncoast Transfer Case Support ...

When Roll into a church parking lot and have truck towed to shop. List of process to find problem: 1) install new sending unit....no oil pressure. 2) install mechanical gauge....no oil pressure. 3) remove all stuff covering the pump and low and behold the nut holding gear on the pump itself was loose.Problems With Your SSN - SSN problems includes the wide sharing of Social Security numbers by businesses. Learn about SSN problems and how Social Security number problems are avoid...Duramax LML Engine Problems. CP4.2 Injection Pump Failure. DEF Heater Problems. NOx Sensor Failure. DEF Pump Failure. The buzzkill of the LML is the CP4.2 injection pump. Outside of this problem, there aren’t many major or costly common problems associated with the engine. Fortunately, there are some relatively simple ways to prevent these ...…

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gwen emiru We can't recommend the 2001-2004 LB7, the 2004-2005 LLY, the 2006-2007 LBZ, the 2007-2012 LMM, or the 2011-2016 LML. Take a look at the most common complaints about these Duramax engines. ... Most commonly, this problem occurs with the LLY and LBZ motors. The underlying issue is the design of the glow plug modules, leading to failure. While ... jenise fernandez agesophie hershman obituary The All Season bridge is one to check out too... It's nice and fits really well. LBZ-LMM Super Hi Flow Intake Bridge - $439.00 : All Season Diesel Performance, Your Duramax diesel performance headquarters by Tony Burkhard owner of the Dirty Hooker. This is the one for the LLY from All Season:Duramax Second Generation: 2004.5-2005 (LLY) lly cold start problems. Jump to Latest ... scheels black friday 2023 adfemale whales crossword clueaurus mini split app 05 LLY problems. Jump to Latest Follow 14K views 30 replies 11 participants last post by 830king Dec 1, 2014. Blayze2010 Discussion starter 24 posts · Joined 2014 Add to quote; Only show this user #1 · Aug 20, 2014 (Edited) Ive had my 05 LLY for about 5 months and its been nothing but trouble. ...18259 posts · Joined 2008. #4 · Oct 17, 2015. Some vehicles have a problem with the starter not engaging into the flywheel while it is spinning. This causes a grinding sound, which can damage the starter drive, and the flywheel flexplate. Might pull the starter and inspect the flexplate. Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up ... osha 10 test answers 2022 Duramax Second Generation: 2004.5-2005 (LLY) LLY Common Problems? 11659 Views 61 Replies 36 Participants Last post by rebel7777, Mar 16, 2007. ABQFirefighter ...The LLY, manufactured from 2004 to 2005, uses a fuel system that is particularly vulnerable to water infiltration. If you encounter a WIF alert, it's important to take immediate action, as water in the diesel can cause severe issues like corrosion and decreased lubrication. Common Problems in Duramax Fuel System greg gutfeld show tonightincense smoke meanings straight upgreystone power outage map Water pump may have been the first sign. These are somewhat common so no suprise, but with the increased pressure from a possible head gasket problem, it can cause havoc on the cooling system, water pump seals may have been pushed out. As for bleeding the system, with the truck on level ground and at ambient temp, remove the screw with the cap off.