Lly problems

6.6 LLY 135,000 miles. Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. 1 2. ... "Stirring the Pot" about not needing to re-route (disconnect) the PCV system. I have 153K on my 06 now and have no problems with oil in the intercooler or passing through the turbo. PCV actually helps keep moisture out of the ...

Company information. Eli Lilly is the world's largest pharmaceutical company, with a market capitalization of close to $700 billion. The company develops and manufactures products to cure diabetes ...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 SystemYou 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 …The LLY Duramax engine is a reliable and powerful choice for diesel enthusiasts. Like any machine, it has its own common problems that can be addressed with the right knowledge and tools. Solutions are available for most of the LLY Duramax problems, from addressing injector issues to replacing worn-out components.I'm having the same problem. GM discontinued, but remans will be out October-November. In the mean time, she's dead in the water. ... 2005 GMC 2500HD LLY CCSB 4X4 6" Fabtech lift, aFe cold air intake, aFe 4" exhaust, 62 gallon S&B fuel tank, Kennedy dual lift pumps, Escalade touch screen navigation, 6 CD changer, Kennedy tune, Edge Insight ...

The head gasket issue with the LLY is mainly linked to overheating engines and owners running hot tunes with too much boost. Kinda like the problem the LBZ's have with cracking pistons running hot tunes. The LBZ mouthpiece and EGR blocker are not true fixes for chronic over heaters, the aux radiator is. The V2 is no longer available, TxC no ...Water Pump Failure. Fuel Filter Housing O-ring Leaks. Blown Head Gasket. Overheating (fan clutch problems, radiator gunk) In addition to the above common engine problems, there are also a few worthwhile to mention problems that affect high horsepower LB7's: Crankshafts + connecting rods break at high hp.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 SystemMay 20, 2022 · 1) Crank Start Issues. The most common problem these engines suffer from is an issue with the starter cranking but the engine failing to start. The cause of this issue is still really unknown and it affects virtually all of the trucks that use this engine. This problem only affects the LM2 and not the LZ0 versions of the engine.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 ...Business inquiries: [email protected]: @dustinpturnerWhats on my 2014 Silverado High Country?AMP Powersteps: Amp Powersteps (Silverado 2014-2018...

Advertisement ­ ­Gasoline has two problems when burned in car engines. The first problem has to do with smog and ozone in big cities. The second problem has to do with carbon and g...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.05 3500 ccdrw lly, complete lbz banks ram-air intake set-up with with super scoope, egr deleted profab intake elbow , diamond eye 4' duals , diamond eye down pipe and no kitty efi by full throttle customs , edge insight cts for gauges ,lbz mp. and fuildamper .pcv reroute,right and left side boost tubes, banks techi cooler ppe ported fitting ...step by step of my LLY problem. Jump to Latest Follow 9K views 23 replies 8 participants last post by battlegraduate09 Apr 28, 2012. battlegraduate09 Discussion starter 7344 posts · Joined 2010 Add to quote; Only show this user #1 · Apr 17, 2012. ok last july i had an electrical problem come up. ...

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Hey guys im hoping you guys can help me out with my problem, I have an 04.5 lly that for some reason is building excessive pressure in the cooling system. from a cold start to less then 60 seconds of running will build ... Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 ...My truck has been having problems starting for the last couple days. I went through the wiring harness and had nothing wrong. ... Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon replacement Aero tank, LBZ-mp, Kennedy pump, shimmed, Pre-fuel filter, tow mirrors, BU cam, gauges, GPS, Sirius ...Having a patio umbrella is a great way to enjoy the outdoors while staying protected from the sun. However, like any other outdoor equipment, patio umbrellas can encounter problems...gone through LBZ, LLY, LBZ, LMM, and LML designations, with a number of revisions along the way. While all iterations are fairly reliable, the older '01-'04 LB7 engines and '04.5-'05 LLY's are starting to show their age. Blown head gaskets are fairly common in these earlier year trucks, as wear and tear, aftermarket tuning,

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.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 …Ok so I just bought a real clean 2005 Duramax. It has 194xxx. Lifted 6inches with 35's. No chip or programmer, although the guy I bought it from had a PPE on in before I bought it. Had it now for a few weeks, and has ran like a champ. No problems to speak of. Just this morning I drove it to work and it ran fine. Parked it on a level service.Or you can block the egr and just tune it out. 2005 LLY CCLB 4x4. EFI Live w/ DPS5 by Idaho Rob/ 5" dowpipe back to 7" black stack/ 3" MBRP Downpipe/ Airdog II 165 lift pump/ Rough Country Sleeves/ PCV reroute/ EGR Blocker/Fuel rail Plug/ Hornblaster Shocker XL horns/ Amsoil Full synthetic oil. next on the list: Big Dipper Trans.I love my LLY but another problem alot of ppl have had is a bad connection with the number 2 and 7 injector harnesses. When i started having problems with them it went into limp mode and sounded horrible. ... 05 LLY CCSB, AFE Stage 2 CAI, AFE turbo MP, PCV reroute, blocked+fingerstick, shimmed, sleeved, resonator delete, Juice+attitude, Edge ...Jan 14, 2015. Welcome to the Forum-! If you have a injector problem, maybe we can help-! One common problem--At the side of the alternator, the FICM harness tied down with a Zip tie. Cut the tie and pull the wires from the harness and inspect for cuts and wear. The sharp corner of the FICM bracket where it is tied down to, cuts into the wires.The LLY Duramax gets a bad rap because of a reputation for blowing its head gasket. But Duramaxtuner's panel of experts say not every LLY has that problem. I...These problems seem to happen even more when the weather is hot vs cold, at least by my estimation. Maggie said: So my husband drives a 2004 Lly Chevy Duramax where we live it gets below 30 at night his truck has been cranking but won't start unless someone is priming the truck while he turns the key.Appliances play a crucial role in our daily lives, making household chores more efficient and convenient. However, like any other mechanical device, A&E appliances can develop prob...May 13, 2014. 244. 1. 18. Blythe ca. Nov 27, 2016. #3. catman3126 said: let the pressure out when its cool, top the coolant off. drive it 30-40 miles and let it get hot, park it and checl the top radiator hose in the morning and see if its firm ike a tennis ball. if so pretty good chance your gaskets are done. time for studs.Mar 30, 2024. 1. 285. Mar 30, 2024. by TravelswithCharly. 1 1 of 290 290. Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission...

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.

15 posts · Joined 2014. #1 · Sep 18, 2018. Hey all, So l am having major issues with my harness in short. I had a head GM tech and fellow LLY owner look over my truck as I was only firing on 7 cylinders. Said he pulled on the harness and it started firing again below the AC lines. This was back in January. Decided against buying a new harness ...Other Duramax LLY problems included the following: Head gasket failure. Injector harness chafing. Water pump failure. EGR valve issues. Glow plug failure. Fuel …SGDIESEL. 74 posts · Joined 2009. #3 · Dec 9, 2010. the turbos thermostatic coolant valve should dump coolant into radiator return tube after the main thermostat. so if it sticks open then coolant would be bypassing the main instead of being held until operating temp is reached. 06 LLY. K. knuckledrager Discussion starter. 209 posts · Joined ...The head gasket issue with the LLY is mainly linked to overheating engines and owners running hot tunes with too much boost. Kinda like the problem the LBZ's have with cracking pistons running hot tunes. The LBZ mouthpiece and EGR blocker are not true fixes for chronic over heaters, the aux radiator is. The V2 is no longer available, TxC no ...Front Diff Problems- Diagram. Couldn't figure out the clunking in my truck from time to time and finally i got under it today and the cv axle on the drivers side where it mounts to the hub that goes into the diff. Well that hub on the diff side has lots of up down play meaning there is a bearing gone in the differential.ChevyTech77. 6889 posts · Joined 2015. #6 · Aug 12, 2021. I agree, stock LBZ, doesn't get much better. An LMM is basically an LBZ with a DPF in the exhaust. Other than injector issues, an LB7 would be next on my list. Some people have good luck with LLYs but most seem to be problematic. 2006 Silverado 2500 4x4. LBZ.All stock LLY except LBZ MP, egr blocker w/ fingerstick, PCV re-route and a 4" magnaflow exhaust combined w/ a MBRP cat delete down pipe. Rolls on Raceline 17x9 wheels w/ 35X12.5X17 Toyo open count mt's, AMP electric steps, t-rex billet grill, frontier grill guard, Avalanche roof rack and escalade door handlesWASHINGTON, Jan 19 (Reuters) - U.S. inspectors recently uncovered new manufacturing problems at an Eli Lilly (LLY.N) plant that has been under scrutiny by federal investigators, according to ...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. ...

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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 ...Tell your healthcare provider if you have stomach problems that are severe or will not go away. Kidney problems (kidney failure). Diarrhea, nausea, and vomiting may cause a loss of fluids ...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.#1 · Feb 5, 2014. I bought a 2004.5 lly duramax last summer cheap as a project truck. the head gasket was out were just about done with the job, I was just looking for opinions on how reliable the lly actually is or what people think about it and common issues with it anything will help thanks. Like. Sort by Oldest first. hopkins_fam.LLY Electrical Problems? IDK. Jump to Latest Follow ... 2004.5 Silverado CCSB LLY Sinister EGR delete, S&B air box and up-sized S&B intake mouthpiece, ATP 5 stage tune - Edge CST w/ EGT and backup camera, 5" AFE Power full exhaust kit, Airlift 5000# bags w/ on-board remote compressor CopperHead Trans build for towing, Billet triple disk ...Jun 21, 2013 · 13 posts · Joined 2012. #1 · Jun 21, 2013. 2001 2500HD Sierra w/6.6L Duramax diesel. Sometimes, not often, once a month or so my truck at start up won't fire, just turns over. I have to go under the hood and pump up my diesel fuel system - located on the passenger side of the engine. After 6-10 pumps its firm and she fires right up.Jul 5, 2011 · 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 mileage trucks lost the head gaskets. The 06-- can be a LLY or a LBZ--same engine and all parts-- the LLY had a mild tune. No real problems-- probably the best Duramax.Jul 19, 2012 · 37. Clearville, Pa. Jul 19, 2012. #1. A friends LLY is losing fuel pressure. He just recently changed the fuel filter thinking that was the problem. But it didnt fix the issue. He said his rail pressure is around 17,000. Not sure if that was at wide open throttle or nt.May 24 (Reuters) - Eli Lilly (LLY.N) said on Friday it has invested another $5.3 billion in its new Lebanon, Indiana manufacturing plant, more than doubling its previous …Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain. LLY ProblemsAn estimated three out of four people wear some form of corrective lenses, according to the Vision Impact Institute. Even though so many people wear glasses and contacts, correctiv... ….

Other Duramax LLY problems included the following: Head gasket failure. Injector harness chafing. Water pump failure. EGR valve issues. Glow plug failure. Fuel …Feb 22, 2024 · LLY glow plug controller FIXED (the dreaded U0106 code) It seems that a lot of ‘04.5-‘05 LLY Duramax trucks are having similar problems with the glow plug controller, so I wanted to post the problem and the solution for others who may be going through the frustration that I had to go through. Last summer, I was towing my camp trailer home ...17 posts · Joined 2012. #17 · Jun 2, 2012. I thought only the lbz's and newer had pilot injection not the llys or lb7s. 2005 lly Dmax CC SB...egr delete, 4 in mbrp straight pipe, more mods soon to come. 1950 Oliver 77 Row Crop...m&w pistons, fully restored. Sold: 1986 Chevy K20 4x4 6.2 diesel.When Eli Lilly reported first quarter results, it slightly missed revenue estimates, but that did not stop the company from raising the full-year revenue guidance …If you leave the egr system in place, you will have no problem. The blow outs occur when you remove the egr and not support the egr riser on the up pipe. ... 04.5 lly ex cab LBZ MP & Intake, Magnaflow DP, EGR Blocked,4"MBRP Front Pipe 4" Borla Exhaust, EFI live Tuned by Tony @ Ridgerunner Diesel, rough country tie rod sleeves, Edge Insight ...Overheating, Headgaskets, Limp Mode, Injectors, Air intake, EGR, Thermostats, Cluster, Hydroboost. 2004.5-2005 LLY duramax dieselThe LLY FICM is showing more and more as 'no longer available' and $1300 at some places that do still have them. Thats CRAZY. Having a good one on the shelf 'just in case' for only a couple hundred bucks just sounds smart to me. I spend more than that at the car wash every year for the thing. LoL.very strange LLY problem. This is the only place I thought to put this...It may be a long post so bare with me. After work I went out and started my truck. I was talkin for a minute so i let it idle, which is nothin new. It was 98* outside, the A/C was on and i was in the truck. All was normal untill my foot hit the gas pedal by accident. Lly problems, I had problems at 1000psi and it was high return rates on 2 injectors, i know that the injectors isnt such a big problem on you model but can still be that.. Test the balance rates ... Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon replacement Aero tank, LBZ-mp, Kennedy pump, shimmed ..., GM only produced the Duramax LLY engine for a short time. It was almost identical to the LB7, with emissions control parts still absent. GM had resolved the injector problems by the time the LLY engine was released. Instead of injector problems, the LLY had overheating issues when driving in hot temperatures or towing heavy loads., Affected engines: 6.6L Duramax LB7, LLY (primarily) Fuel injector harness chafing is a common problem on LB7 and LLY engine generations, but also affects later models. This can cause a number of issues that include no-start and rough running conditions, and it is often misdiagnosed as a faulty fuel injector., Overheating is a common problem for any engine, and it is the same for LLY Duramax. The Duramax LLY overheats when you stop and drive, like in traffic or if your vehicle carries a heavy load. The poor cooling system of Duramax LLY (2004-2005) is also responsible for overheating., 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 ..., Step 6. Manufacturers often fix the EGR inlet with 6 bolts at 4 corners and two diagonal edges. If you want to work with EGR, you must first remove all the fixed points. After all 6 bolts have been removed, accessing the hose clamp on the turbocharger is extremely easy., Bruno and Matt solve an injector issue that is common in 2001-04 Chevy Duramax Diesels.Follow Us!Facebook: http://www.truckutv.com/FacebookTwitter: http://ww..., Duramax LLY Engine Problems. Bent rods; Head gasket failure; EGR valve failure; Glow plug failure (2006 only) Overheating (pre-2006) Fuel pressure relief valve; If you would rather consume this content via a video, check out our Chevrolet LLY Duramax Common Problems video below:, Join this channel to get access to perks:https://www.youtube.com/channel/UCpEtA2y6ZwvuYVeH6Kvz7IQ/joinJW Merch here: https://jwmotorsportsco.com/Denali Playl..., Twice I've heard a loud pop while driving - intercooler boots blowing off both times. Results in no boost but again should not keep from starting. There is a minimum pressure the CP3 must make during crank before FICM will fire injectors - 2.5K IIRC. And stay away from starting fluid - asking for bigger problems., Google "duramax LLY P0201,P0202,P0203,P0204,P0205,P0206,P0207,P0208, P2146, P2149" ... Only other problem I had was at idle injector 5 balance rate would go way high in park and once I put it in drive then all balance rates were normal. Save Share. Like. This is an older thread, you may not receive a response, and could be reviving an old ..., Bruno and Matt solve an injector issue that is common in 2001-04 Chevy Duramax Diesels.Follow Us!Facebook: http://www.truckutv.com/FacebookTwitter: http://ww..., 2005 Silverado 2500HD 6.6L LLY Titan 52 gal Tank, FASS Titanium 95, MBRP 3" downpipe into 4" back, Bilstein 5100s, EFI Live V2 w/ATP, Edge Insight CS2 w/EGT, LBZ Mouthpiece, S&B LBZ intake, DieselRx glow plugs, Mishimoto high-temp thermostats, deleted w/LB7 up pipe, 105-amp alternator, Pioneer AVH-P4400BH w/XM, GPS, and parking brake bypass, Kenwood backup camera, leveled, Rare Parts tie rods ..., If you have a 2001 - 2004 (LB7) or 2004.5 - 2005 (LLY) Duramax and have been thinking about tuning it, this article is for you. As you're probably aware, ECMs have some small risk of crashing during a tuning flash. Browsing the forums online you definitely already picked up on the fact that the LB7 and LLY ECMs are more suscepitble to the issue., As for the Duramax LLY engine fitted in the 2004 – 2005 Chevrolet Silverado, Hummer H1, and GMC Sierra HD, the most common problems that owners experience include overheating when towing and blown head gaskets. The LBZ is perhaps one of the most desired Duramax engines. It addressed the overheating and blown gasket issues that plague the LLY., I used it several times since then without problems. Any thought as to what might be going on?:confuzeld . Jimbo. Save Share. Like. ... Duramax Second Generation: 2004.5-2005 (LLY) 6.2L Diesel Engine Fuel System, Air, Exhaust & Emissions Upgrades. Top Contributors this Month View All mp06011999 293 Replies. torqueofthetown 130 Replies. 5 ..., Today i talk about the problems i have had with my LLY Duramax and how i finally was able to fix the common injector harness problem. Thanks for watching and..., 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..., 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, …, The Duramax LLY engine lasts for around 200000 miles or 321869 kilometers without needing any major maintenance or repairs. It has a 95% GM user rating. It means 95% of Duramax LLY engines last over 200000 miles without any major issues. However, the lifespan of an LLY Duramax depends on the maintenance of the engine as well as the vehicle., This is a known and VERY common problem for our LLY's. As mentioned above, GM came out with a repair kit for a mere $300. I bought new connectors on Amazon, 4 for $16, which have worked for years now. You can't look at the connectors and see a problem; they simply make a loose connection and intermittent open circuit., Water Pump Failure. Fuel Filter Housing O-ring Leaks. Blown Head Gasket. Overheating (fan clutch problems, radiator gunk) In addition to the above common engine problems, there are also a few worthwhile to mention problems that affect high horsepower LB7's: Crankshafts + connecting rods break at high hp., 6.6 LLY 135,000 miles. Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. 1 2. ... "Stirring the Pot" about not needing to re-route (disconnect) the PCV system. I have 153K on my 06 now and have no problems with oil in the intercooler or passing through the turbo. PCV actually helps keep moisture out of the ..., The FICM is seeing a problem with the fuel injection circuit for cylinders 1, 4, 6, or 7, so you get DTCs P0201, P0204, P0206, P0207 and DTC P2146. I'd clean or ice pick those connectors and check the harness for problems very carefully. Or get a new harness -- how many miles on the truck. Member #28 of the OiO association., 2005 LLY 3500 CC/LB SRW 4x4 208,000 miles EGR blocker plate, ARP head studs, grade C head gaskets, LBZ mouth piece, no tuning ... The service writers only function is to explain your problem to the tech and then explain the techs explanation to you, if they cant or wont do that then they are incompetent. 2021 crew cab gasser 3500HD., LLY: 2004.5 - 2006. The LLY Duramax engine was only in production for a short time. It was nearly identical to the LB7 engine and emissions control parts continued to be absent. GM had fixed the injector problems by the time this engine came out. Instead, the LL7 had issues with overheating when towing heavy loads or driving in hot temperatures., 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., However, if you are looking to keep it stock, the LLY can be a very stout engine! Jake is going to explain common problems, reliability, engine specs, and more., Water Pump Failure. Fuel Filter Housing O-ring Leaks. Blown Head Gasket. Overheating (fan clutch problems, radiator gunk) In addition to the above common engine problems, there are also a few worthwhile to mention problems that affect high horsepower LB7’s: Crankshafts + connecting rods break at high hp., 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 ..., 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., 7094 posts · Joined 2013. #7 · Sep 22, 2014 (Edited) When reinstalling clean the V-band clamps and use a light film of never-seize on the clamps/threads and downpipe into the turbo, for that matter all the exhaust connections. Snug the turbo/downpipe V-band clamp first then the support bolt at the manifold., I've got a 2005 chevy extended cab long bed its got the lly in it with 145,000 miles Truck has 4 inch turbo back exhaust ... Pressure problem solved but still in limp mode this time P01404 and P0404 and P0299. did active test on EGR and found sensor was dropping out between 40 and 60 %. Replaced EGR and Sensor.