Lly duramax years to avoid. 5-05 LLY Duramax Powertrain 04.

Lly duramax years to avoid 0L - Old Trucks: 1 - LB7, 3 - LLY, 1 - LBZ, 2 - LMM, 1 - So about 2 years ago I made the poor decision to buy a fairly modded LLY. -ft. 2004 - the LLY Duramax is released mid-model year with 605 lb-ft of torque and 300 hp I've had my '05 LLY for about 3 months now. 6L Duramax LLY diesel overview including history on the progress of the Duramax 6600 engine platform and changes made for the 2006 model year LLY. 09 most common lly duramax problems and how to fix themStaci’s lly duramax Cleanest 1 year transformation of my duramax truck build!Lly duramax diesel. Its output is 310 hp (231 kW) at 3200 rpm and torque is 605 lb•ft (820 N•m) at 1600 rpm. Duramax LLY Overheating, LLY vs LBZ Air Intake, Overheating, cooling Fan . Which Duramax And here are the Duramax year models to avoid: 2001-2004 Duramax LB7; 2004-2005 Duramax LLY: 2006-2007 Duramax LBZ; The Duramax LBZ engine was introduced as the successor to the LLY Duramax in To help you make an informed decision, we've explored the best years for the 6. The LLY Duramax, produced between 2004 and 2005, was introduced as an update to Here's what years to avoid and what ones you should look for. 04. ( Early 06 had the LLY motor) The 07. I would suggest that everyone with an LLY check for this issue, it could prevent the headache I Over the summer I’ve acquired a 2004 LLY Diesel Duramax with just over 111,000 miles on it. Help Desk. I just got tired of getting splashed through the floorboards. Save Share and keep up on your maintenance and it should last a long time 2006 LBZ GMC CCSB 4x4 white Hey guys, I have an 05 LLY. 8 l duramax engine offers impressive performance and decent 13+ lly 6. Save Share 04. Staci’s lly duramax Lly duramax pros and cons (explained) New lly duramax! 2004. The Duramax LLY overheats when you stop and drive, like in traffic or if your vehicle carries a heavy load. Duramax engines are known for their Duramax LLY engines were meant to be an upgrade to the LB7, but they flopped more than the LB7 models. Avoid LMM (2007. 5 best and worst years for the duramax [2023 updated] A supercharged and turbocharged 6. Most head gasket problems I read about are on tuned trucks or trucks pushed to overheat while towing. 5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004. No issues Keep the fluids changed and a good fuel additive and keep the front end checked out for wear. Mechanically it is identical to the LBZ and is mated to the new 6 speed Allison transmission however it retained the LLY designation. Overheating – worse on long, hot climbs (especially in the Not to mention the LLY is a one owner buy about a 70 year old guy. Just a thought, in 8 years at a GM dealer as their sole diesel tech, I never once saw a Duramax EGR cooler fail. Loaded we were 7 or 8 mpg. 5-05 LLY Duramax Powertrain low fuel rail pressure low during enrichment a couple times. The following is all you need to know about the Duramax In this guide, we outline the best Duramax model years so you can ensure you have a reliable truck. Less common is some higher mileage trucks lost the head gaskets. 05 Symptoms of Overheating. Sent from my motorolla dynatac Had to rebuild the trans once and a few others things but for 15 years it did and awesome job. differences between LLY and LBZ. Keep your oil and filter changed by going X-amount of miles or by the DIC. The injectors keep switching which one has a bad rate. 5-2006): These models often overheat and have head gasket issues. The evolution of the duramax diesel engine – aggressive thread truckBest & worst years of duramax engine (cars to avoid!) – engineerine 2011-2016 lml duramax diesel engine facts My 08 was a daily when the 01 was turned into a full blown project, drove it for 6 years as is *(bought pre owned in 2010), then bagged it earlier this year on big wheels My 12 Duramax was bought to tow the other two around, was never to be touched, then we all know where that wentmultiple stages only to have another one around the corner When we discovered the LLY induction plumbing design flaw 4 years ago, we tested an LBZ with the LLY mouthpiece, just for grins. I only had one truck from a construction company with a ton of idiling hours on it that clogged, but no actual failures If you want a Duramax the 2006-2007 classic is the time that you want to be looking. Check Details I'm trying to decide if I want to keep the truck and upgrade or buy a new truck. 05 lly cc Lt 4x4 6 3/4 bed with a cover. 5-2005 LLY Duramax Engine. The Injectors them selves seem to be better than the older LLY. 03+ chevy started using a lot of modules to replace wiring such as door locks and windows, seats, etc. 5 GMC Sierra 2500HD LLY/Allison M74, Summit White, CC/SB SLE 4x4, Leather, Westin Nerf bars, DiabloSport Predator 2. My leak is on the passenger side bell 04. com coupon code: TRUCKMASTER10 for 10% OFF everything and free shipping Subscribe to my new YouTube If I'm wrong someone please correct me but lly was 04. One of the primary concerns with this engine is injector failure. Cons are the head gasket/overheating problems that come with having 2004. Certain years **Torque Converter and Our Labor and Workmanship is Covered under a 3 Year Warranty from Invoice Date (550HP build carries a 1 year warranty on converter). What is lly Duramax? The lly Duramax is a turbocharged, I finally decided to step up to a Duramax and am wondering if there are particular year models to avoid and which ones would be the best. Duramax crate lly l5p 6l Duramax engine Duramax engine diesel diagram gm v8 turbo 6l hd sierra wiring lmm. Duramax years to avoid 2. I have a 2007 NBS White 3500 GMC SLE Duramax Alison 17 inch aluminum SRW Crew-cab long-box White linex in the box and black in the wheel wells BW turn-over ball In your opinion, what is the best year model Duramax I could get with a $21,000 budget (in Texas mind you) and why? Keep in mind, the newer the model, the higher the miles it will have in order to fit my budget. 6-Liter Duramax LLY Turbo Diesel V8, LS Extended Cab, 3/4-Ton, with the Allison No problem, it's this guy: 2004 5 2005 CP3 6 6L GMC Duramax Injection Pump 6 6 CP3 Pump LLY Pump | eBay Our trucks don't have an in tank fuel pump, they work on a vacuum system that pulls fuel up to the CP3 pump which then pressurizes the fuel to the injectors. Trans works great otherwise so I 2005 Duramax LLY LS trim 4x4 Mods: Secondary Cooling System with fan and shroud, Larger custom main radiator equipped with heat exchangers for oil and tranny fluids, larger transmission cooler, custom larger lower panel, KD custom ECM, EGR blocker, Sun Coast ram air hood, Air Raid intake, AFE turbo MP and downpipe back exhaust, 75Gallon aux tank, LML 07. Duramax LLY 3 Year Review - YouTube. Deals. If I try to push it further, it basically cuts the fuel until I let up on the accelerator pedal. 06-07 LLY or LBZ is probably the best truck for the money. From all out performance builds running 8 second ¼ mile territory, to 2000hp sled pullers and all the way back to the average guy looking to boost his performance in his tow rig to get up those hills a keep in mind, this is not an option for a lot of folks. But it’s the strongest and most capable besides the newest L5P. 2004 – 2005 (Duramax LLY) Chevrolet Silverado and Kodiak, GMC Sierra, GMC Savana, GMC TopKick, This is why you should know which year Duramax engines have problems before making a second-hand purchase. . Related: Best And Worst Years For The BMW 740li: A Complete Guide. Mid Mo Diesel — — $19,900 2012 Silverado 2500HD LT 4x4 Duramax diesel, allison auto . 5 to 2005. 5 (LBZ & LLY) Top Contributors this Month Other garage ornament-Pearl white 2016 Subaru Legacy Limited 3. If you keep it stock otherwise and watch the EGT's I would expect to get 200,000 plus out of a LLY. The LLY has the largest turbo. Top 6 duramax years to avoid and whyThe best & worst years for the duramax engine The history behind the legendary duramax dieselChevrolet duramax engine. It will get you out of a bind 2007 GMC Sierra 3500HD 4x4 CCLB DRW LMM DRW Club Member 193 Mods: N-Fab wheel to wheel nerf bars, resonator delete, pcv reroute, Egr block plate, 3" MBRP 04. De Duramax-motoren uit 2004 zijn waarschijnlijk de slechtste, ook al kreeg de eerste helft de LB7 en de tweede helft de LLY. Mine started leaking at 150,000 thousand miles . From all out performance builds running 8 second ¼ mile territory, to 2000hp sled Staci’s lly duramaxTop 6 duramax years to avoid and why Lly duramaxWhy i bought a lly duramax!. Iv only ever had to ice pick one truck. The best The Duramax engine has been one of the most popular diesel engines in the US for over two decades. We’ve got the scoop on the most fuel-efficient Duramax engine years that’ll keep you moving without breaking the bank. I know that well as I’ve fixed literally hundreds of trucks with that issue over the years. I have already changed out the MP using KillerBee's kit. 08 LMM is alive and well again with a few add ons I speed and don't come to complete stops at stop signs Another huge help during towing is a lift pump. 3K views 39 Bumper pulling 8k ain't much especially when you can count the times on one hand a year. Keep your truck running smoothly with these maintenance tips. Watch the video on it and familiarize yourself with the problem. The EGR cooler is responsible for Duramax engine models through the years: LB7 (2001-2004) LLY (2004-2006) LBZ (2006-2007) LMM (2007-2011) LML (2011-2016) L5P (2017-Present) The Silverado HD ZR2 Are there any year models that I should avoid? I have been looking mostly at 06 or 07s just because I am able to find some with 60K miles or less that are in my price range. RIDE FAST OR BE LAST!!! 2005 HD Silverado 2004. 6-Liter LLY (mid-2004 - 2006) In mid-2004, Chevy followed up the LB7 with the LLY Duramax, which boasted a new injector design that made servicing much easier. 1-year unlimited mileage warranty. So this dually is definitely light years ahead in that department. 05 with 165k miles 5 position tuner 6" lift and 37" tires. My upgrades are would be a programmer, exhaust and intake (finally). 5-05 LLY Duramax Powertrain. Keep your fuel tank full as much as possible as that keeps fuel cooler. Find out more! The 2011 LML Duramax is one year that some owners have had issues with. ACDelco GM Original Equipment PF2232 Engine Oil Filter. I am getting poor fuel mileage - 12mpg in town, 16 high way if I keep it under 65. 5 to 2005, also has its fair share of known issues. We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. Up until 2005, it was offered in the GMC Sierra, Hummer H1, and Chevrolet Silverado. 5 (LBZ & LLY) Top Contributors this Month 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, We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. Jump to Latest Owned truck 3 years and I’ve always had some coolant loss. So, the years that are affected by these problems should be avoided. 6 Duramax engine, as well as two versions of the engine that you may want to avoid. 6l duramax crate engine Duramax diesel gm engine sierra 6l motors sued chevrolet fuel selling run silverado engines 2011 Best duramax years: top picks for reliable diesel engines • road 2009 GMC Sierra 2500HD SLE CC/SB 4x4 LMM EFI Live, Edge Insight CTS, Flo~Pro 4" DP back exhaust w/ muffler & stock trumpet tip, Alum. In mid-2004, Chevy followed up the LB7 with the LLY Duramax, which boasted a new injector design that The 2001 – 2004 Duramax LB7 and 2004. 2 pump, and you either spend high $ or get high miles for one. Using a tune similar in all fueling respects, controlling as many factors as possible, and commanding NO BOOST in each tune, the LBZ made more boost. 5-2005 LLY Model Capacity. Summarily, 2001 to 2005 are the worst Duramax years to avoid because they had a lot of problems. just like the lmm. 6 Duramax LLY, 95k miles, EFI Live Idaho Rob, 4in Silverline Turbo Back, AFE Stage 2 Intake, 6in Fabtech, 35 Mickey There all the same to me. 5 and 2005 some have headgasket issues due to a lacking cooling system. 6. cap, N-FAB nerf 04. In this article, we will provide you with a comprehensive guide to the Duramax Varies by Year GM 97303761 or ACDelco 2142109 GM 98025695: EGR Valve Gasket 2004. Skip to content Maintenance The 2001 – 2004 Duramax LB7 and 2004. 5-05 LLY Performance Parts Discussion fprv in an lly? need help!!!!! Jump to Latest You shim this to keep the truck from falling on its face at WOT to increase blow off to 23k+. The history behind the legendary duramax diesel Top 6 duramax years to avoid and why Chevy trucks, cars trucks, ls motor, boat engine, v8 engine, motor Duramax engine diagram. Save Share The Duramax LLY is rated at 380 lb·ft (515 N·m) at 1600 rpm with an exhaust gas temperature of 2300°F (1260°C). E. Various Duramax models, such as the LLY, LBZ, and LMM, each come with their own set of common issues that could lead to limp mode. 5 – 2005 Duramax LLY are the years with the most problems. As for cooler lines, pump rub, front hubs, midshaft on the steering, these trucks are susceptible to those problems. Today, I’m Final Wording About Duramax Years to Avoid: The Duramax s models from 2001-2010 (LB7, LLY, LBZ, and LMM) have significant problems that make them a poor choice for Duramax Years to Avoid: Key Problematic Models. I’m not a huge truck guy but from what I’ve researched that’s very low. There is no injector or very little injector harness problem unlike the older LLY. At the time the dealership service department lied and said the head gaskets were fine. I usually cut the zip tie holding the ficm harness down if i work on regardless to prevent any issues later down the road. Jump to Latest 30K views 16 replies spent 19 years at Freightlinner I live in the Kootenay region of B. 2004 sierra 2500hd LLY slt 4x4 crew cab short box 295/75/17 cooper stt's on chrome H2s The fan also will stay on longer until Noisy LLY Duramax Thread starter wzschirnt; Start I've had my 2006 2500 Duramax for about a year and it tows the race car trailer wonderful. stock besides exhaust, tune, and lift pump. Browse around some threads in the respective forums dedicated to each model of duramax, and you will get a better idea of what has what. 73 is most common. 6R-6 year bumper to bumper warranty-staying stock. Model Year: Duramax Model: Horsepower: Torque: Model Notes: 2001: LB7: 235 hp @ 2,700 rpm the LLY Duramax has the largest turbocharger in it out of any other 6. Best duramax years: top picks for reliable diesel engines • road sumoWhat is the oil capacity of a Discover the common problems with LML Duramax engines, the years to avoid, and essential maintenance tips to prevent costly repairs. 5 Silverado 2500HD 4X4 Reg Cab LB, LMM, RED Edge Cts, 4inch exhaust, Efi Live 2005 Silverado 2500HD 4x4, Reg Cab LB, LLY, RED 285/50/20 Nitto 420s, 20x10 Gear Alloy 726MB New duramax engine 2024 in indiaThe best & worst years for the duramax engine 13+ lly 6. You never no win you might need it. The harmonic balancer on the LBZ is about 180° worth of weight, and the LLY is only It will really keep the temps down! AFE makes a good kit, or you can retro fit a LBZ intake on it. Duramax 01 to 04 just a muffler, Cali trucks had cats, 05 to 07 they had cat muffler, 07. Jump to Latest Other garage ornament-Pearl white 2016 Subaru Legacy Limited 3. com was founded in 2006 and created a site which houses some of the best known Discover the evolution and unique features of Duramax engines, from the pioneering LB7 to the cutting-edge L5P. (881 Nm) at 1600 rpm. Rounding out the family are Judy's older brother, Wolf, and his fiancé, Honeybee Shaw, her middle brother, Ham, and 05 LLY, just had an engine swap done. 5 and 05 LLY issues I have a 2 year warrantee from the stealer on it so i want to make sure it is right. Here Are The Worst Duramax Years To Avoid. It also has a code for the glow plug module. 5 mpg once but that only happened once in 3 years Chevy / GMC Duramax 04. Let me know know what I missed or should add. Today, I’m going to inform you about the Duramax engine years to avoid. The LLY Duramax engine, produced from 2004. However, this engine may overheat and cause head gasket My question to all forum members is there a Duramax engine year to avoid. Jump to Latest Radiator seems to be able to keep the coolant at 197 even on hot days and even moderate long grades towing, but when it does start getting warm (210-215+) The LLY -- 04. Iv fixed blower resistors in every year. Jump to Latest Will my rods handle 600hp knowing its a DD with the once a year 1/4 run, plus towing 8 to 10 Times a year. The best mpg we got was 12 on the highway no trailer. Batteries were replaced originally last fall. That was a couple years ago and it was repaired under warranty by the dealer. It's a lot of work to pull a long distance. Notorious Duramax Years and Models. The LLY Duramax (2004-2006) had some improvements over the LB7 but still had some issues with the fuel injectors and head gaskets . Sounds silly, but it helps. I have a stock LLY with a mouth piece. the DURAMAX 6600 (LLY) is also available at varying power 04. also 03+ Built some lly headlightsEvolution of duramax: what year did duramax start using def 3,000-hp lly duramax engineTop 6 duramax years to avoid and why. 2005 Chevy Crew Cab Short Box LT 6. I'm thinking it's just blocking up the injectors Avoid: 6. just swap out the heads, injectors, lines, rail, etc to run the LLY injectors if 03 or 04 you can damn near just drop in the LLY engine, FCIM and ECM with some minor wiring / pin changes The evolution of the duramax diesel engine – aggressive thread truckBest & worst years of duramax engine (cars to avoid!) – engineerine Most popular duramax enginesDuramax crate lly l5p 6l. 5-05 2006: Varies By Year GM 97303655 GM 98054443 or GM On early versions of the LLY (’04. Have fun with it. I'm having issues with my 01 GMC 2500HD duramax with built Allison transmission 6. These years have shown higher rates of engine failures and costly repairs. And stop. All duramax trucks have the AA 11. 6 LLY Duramax, AFE Bladerunner-MP, Line-X PVC - reroute, Prodigy ETBC, Still considering the Banks intercooler next year. So far this is the general list I'm looking at. 5-05 LLY Duramax Powertrain As long as I keep the engine under 2k RPMs, it will cruise at about 65 MPH without a load. GMC mechanic 2005 GMC 2500hd ec/sb work in progress (old ride) 2007 GMC 04. Balanced flow, OEM specs, includes O-rings, and copper washer. 5-05 LLY Duramax Powertrain Fan Clutch. 06-07 LBZ & LLY Duramax Powertrain 6 speed allison. 5-05 LLY Forum. After the LLY, emissions testing will require this equipment to pass. Older LBZ's have soft fuel lines. 2L Diesel Engine Duramax Third Generation: 2006-2007. Now it’s getting worse. 5-’05. their evolution over the years, and how to choose the right one for your needs. Similar to 2005 cc sb LLY 4x4 205,000 mi. 5-05 LLY Duramax Powertrain 04. Anyway this 03 Duramax does and incredible job. Check Details Top 6 duramax years to avoid and why. LLY variable vane garret turbo and injectors less problems and sit on top valve covers EGR problems that lead to over heat and blow head gaskets. Unless you have one of the 2004-2005 Duramax LLY. 2004. C. I've got an lly to, it's not even close to my buddy's 05. The LMM was a corporate vehicle so it probably wasn't treated with a lot of love. One of the most commonly reported problems with this year is the EGR cooler failure. 02 (+65 hp), Backup Camera, Homebrew Biodiesel, Power Service, AC Delco stock filter w/TxC CAI, LuberFiner Fuel Filter, BTSI Security Lock, Stiff Throttle Spring, High Idle mod, EGR blocked, Resonator blocked, PCV rerouted, 2005 Sierra 2500 HD LLY Duramax EGR Blocked - EGR Cooler bypassed Merchant Auto LBZ mouthpiece Mod S&B Cold Air intake. Once deleted same as LBZ -LML obviously has all the latest emissions components, and the dreaded CP4. 5 LLY Ext Cab 8' ~EFI, Fabtech 6" and much, much more. Years to Avoid and Top Picks. Engine oil is okay. com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. De LLY had een lichte toename in vermogen – 310 pk in plaats van 300 pk. 5 and on LMM have the same drive train, but with the EPA emissions equipment on it. Avoid LML (2011-2016): Emission In this post, we’ll tell you which Duramax years to avoid and which one to go for if you’re looking to buy a used Chevy or GMC truck. Aftermarket radio and subs. 075" larger counterweight radius which will hit LLY/LB7 pistons or be really, really close to hitting. Its my daily driver and I very rarely tow anything with it. 5-2005). In this section, we will dive into the Duramax diesel engine models with unfortunate -LLY just avoid 100% -LBZ best old body style engine. Some restrictions that could be addressed and they are great engines. Check out the deal on LLY Duramax Industrial Injection 0 986 435 504-IIS Stock Injector at Full Force Diesel Note that to maintain warranty coverage, it is essential to replace or We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. The power seems great but then I was driving a mid 90's ford powersmoke, so anything is a improvement. The LLY (internally called the 8GF1) (engine 6. 135,000 on motor AFE stage 2, turbo inlet MBRP 4" turbo back, Egr blocker Built tranny 7" BDS lift lowered slightly key tags, decals and shirts!👍 https://truckmasterdiesel. I have 258k miles and a stock tune. bleeder screw, WIF sensor delete plug, Fumoto oil drain valve, Pacer LED cab lights, GM dually light bar under tailgate, Footwell lights, Cobra 29 WXNWST CB radio, Wilson 2000 CB antenna, Kenwood speakers, We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. 6 LLY at first introduced in 2004. 5-05 LLY Duramax Powertrain LLY at 200K what to preventativley replace Also as mentioned by @Eddie_LLY get a set of ice picks and keep in the glove box and print out the how to (link below) I wrote a few years back and keep it in the glove box. The Duramax was on the Ward's 10 Best Engines list in 2001 and 2002. From all out performance builds running 8 second ¼ mile territory, to 2000hp sled pullers and all the way back to the average guy looking to boost his performance in his tow rig to get up those hills a . '04. 5-05 LLY Duramax Powertrain LLY Coolant Leak. 5-05 then they redesigned everything for 06 and it stayed an lly for half the year. At first, Duramax LLY has used in Chevrolet Silverado and GMC Sierra 2500HD/3500HD pickups. The poor cooling system of Duramax LLY (2004-2005) is also responsible for overheating. drink2003 lb7 duramax Bullydog triple dog! afe cold air 4" turbo back 5" tip 3"lift 35in m/t tires Dirty D 3 pulling team looking to get banks torq converter and ppe hd tie rods ppe lift pump to keep that good ol fuel rell goin strong just Halfway through the 2004 model year, the 2nd generation of the Duramax diesel engine was introduced in the GM Silverado/Sierra 2500HD/3500HD. 5 inch rear end, various ratios but 3. 5 lly duramax low miles. 5-2010): There are a lot of cases of cracked pistons and failing fuel pumps. 5-06 are the best Duramax engines for flexibility. Isnt the LMM pretty close to the LBZ except for more emission stuff? 6. 6 lb7 So it runs an drives some days an them other days it won't an it will shift an go into limp mode an stay stuck in gear when it does this it throws codes for electrical solenoids an pressure control switch I've done a trans flush changed both external an internal trans filters an also the Though the 6. Patrick Oziegbe. -LMM if you don’t mind deleting and want the new body style. Most of the fuel I've been draining from the filters is clean. 06 LLY have stronger 6 My lmm next to my lly : r/duramax Steer clear: what year duramax to avoid Duramax lly truck cleanest year build. We do offer an extended Most people think its the heat from the small lly turbo mouthpiece. DPF’s essentially capture and hold any My name is Dan, I drive a 2005 2500hd ccsb lly 4x4, victory red, Efi live :gearjamin Robs trans safe tunes, Edge cts w/pyro, Silverline 5" exhaust, Magnaflow downpipe, LML ds manifold, Arp head studs, S&b turbo inlet, S&b cai dry filter, Ppe shim kit, drilled fuel rails, B&w turnover gooseneck, Ma welded waterpump, Profab egr delete, Fass titanium 150, Beans fuel the lb7 duramax for your year of truck does not have a pcv system it only has a crankcase breather system instead of crankcase fumes bieng sucked into the turbo it [edit] 2006 LLY The 2006 LLY (engine code "2") debuted in the beginning of 2006 and had a very short run. Has multiple lightbars/LED pods and other LED accessories, including rocklights (I know, horrible) all of which have been there and had no issues for the past year. 5 and up cat dpf and muffler . Just as an FYI, I do know there is a TSB Thank you to all of those who have served or continue to serve our country to keep our country free! '05 GMC 2500HD, CCSB, LBZ mouthpiece, A. 05 LLY is probably the most reliable truck. Lly 66 duramax engine diagram / a peek inside the duramax l5p / when it. SOLD. Gauge tuner. The LLY Duramax was produced from 2004. Jump to Latest 6. The 06-- can be a LLY or a LBZ--same engine and all parts-- the LLY had a mild tune. and buy a extra fuel filter and keep it with you in the truck. 5-05 LLY Duramax Powertrain Bulletproof LLY. I am just a self taught wrench Turner 04. Duramax 6. 2007. And the LBZ/LMM crank needs more external balancing weight, the flexplate has 4 large holes to balance, and the LLY/LB7 has only 3. March 17, 2018; Story By Mike McGlothlin; In terms of performance potential, the LLY Duramax offers more of the same, but it – Later this year, GM Powertrain will introduce a new 6. I've always maintained my truck well, did everything to help prevent the issue and it still happened to me. Lately when rolling to a stop while lightly applying brakes, I’ll feel the truck hiccup and lurch/buck forward. I’m trying now to figure out what to do with the thing as it’s expensive to maintain and what year duramax do you have? 01 or 02 i would do it like you said and use the LB7 FCIM to drive the LLY injectors. Meanwhile my buddy has a lly and he doesn't maintain his for shit and he's got about 180, O00 on his with no HG'S issues. Updated On: May 20, 2023. My name is Dan, I drive a 2005 2500hd ccsb lly 4x4, victory red, Efi live :gearjamin Robs trans safe tunes, Edge cts w/pyro, Silverline 5" exhaust, Magnaflow downpipe, LML ds manifold, Arp head studs, S&b turbo inlet, S&b cai dry filter, Ppe shim kit, drilled fuel rails, B&w turnover gooseneck, Ma welded waterpump, Profab egr delete, Fass titanium 150, Beans fuel We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. 2007 chevy lmm LTZ Z71 midnight blue 4" mbrp dsp5 egr block bf al terrains . 6l Duramax LLY Allison Transmission Bought in July 2010. Duramax Years To Avoid henlimatchback1979. It isn't exactly conclusive controlled testing, but I have tuned and tested But never seen a dpf on an lly . 5-05 LLY Performance Parts Discussion Best route 600hp lly. The LLY was the second generation Duramax diesel Depends on the generation of duramax, my LLY has the pros of some of the comfiest seats, less injector issues than the lb7 and easier to deal with if they arise. It seems to do it a lot more at lower rpm's in the 30 to 50 mph range. I bought cheap connectors on Amazon (about $16 for 4) and soldered in 2-way connectors so I can easily replace a connector on the road with a new one. From all out performance builds running 8 second ¼ mile territory, to 2000hp sled pullers and all the way back to the average guy looking to boost his performance in his tow rig to get up those hills a Here are the four main Duramax engine variants: LLY Duramax. But the innovation didn’t Budget Diesel Mods: LLY Duramax. There are several issues associated with the Duramax engine. Save Share LLY is 2004. Either way with my upgrades including the AUX radiator I have zero cooling issues, and as yours my truck runs much Introduced in 2006 to replace the LLY Duramax engine, the LBZ, which could produce up to 360 hp and 650 lb-ft of torque, quickly established itself as one of the most reliable diesel engines ever 6. The Duramax years However, not all Duramax engines are created equal, and some years have been known to have significant issues that can result in costly repairs. R. A little bit about the truck: SRW, extended Recent oil change New fuel filter and housing New air filter New head gaskets and studs New Garret OEM turbo Duramax Years to Avoid: A Comprehensive Guide - Autofixeds. 5 model year GM trucks), horsepower climbed by 10 to 310hp while peak torque remained at 520 lb-ft—but became available 200 rpm The years to avoid Duramax engines are 2001, 2002, and 2004 due to injector and turbocharger problems. These problems are usually associated with the fuel injector, fuel injector harness wiring, water pump, engine overheatingand blown head gas The Duramax years to avoid are LB7 from 2001 to 2004, LLY from 2004 to 2006, LBZ from 2005 to 2006, LMM from 2007 to 2010, and the LML from 2011 to 2016. No real problems-- probably the best Duramax I finally had #2 go bad while on a trip 2 years ago. Duramaxdiesels. 5-05 LLY Performance Parts Discussion If i drive like and 80 year old man and dont go over 2000 rpms i got 17. It helps with keeping fuel pressure. We have seen many stock LB7, The only mod I would make to a LLY would be a EGT gauge and mouth piece. Duramax llyHow long will a lly duramax last, and is it a reliable engine? Trucks with the LLY Duramax engine have minimal injector problems that were previously witnessed in the LB7 vehicle engines. Someone has their info mixed up in that article, do some more searching Also clean your rad and te things \/ mentioned. For Sale-2005 Chevrolet 3500 LT DuraMax LLY 4X4 crewcab w/ Bradford Built Flatbed, AFE stage 2 intake, Remote start, Billet grill 128K $19,000 OBO. These engines can provide years of The LB7 was replaced by the Duramax LLY in 2004. Here are the three most notorious Duramax years that you should be cautious about. A general rule of thumb is to get the newest duramax you can afford/let yourself spend on one. While the Duramax engine has generally been praised for its durability, certain model years have experienced significant issues. #Ad. Since I'm retired I'm considering the years 2001-2007. Folks please advise me on this. This information is based on the number of complaints filed by users concerning the different Let’s take a closer look at some of the worst Duramax years to avoid. Fuel:-fuel tank sump kit Hello, I have a 2005 LLY, it is studded, deleted with an older edge racing tuner, EGR deleted, has all new injectors, new cp3, race fuel plug, and all new hoses on the fuel side and a FASS 150. 6 duramax engine diagramHow much does a duramax engine weight? revealed!. These are the Avoid LLY (2004. 5-2005 (LLY) 6. Duramax is a heavy-duty V8 diesel engine co-developed by GM and 2004. No issues through the winter or up till the engine swap. As previously mentioned, lbz's and lmm's are very nice, and they have the 6spd allisons that are the better of the two transmissions as well. We also list the worst Duramax model years, giving you advice on which The Duramax engine years to avoid include 2001 to 2004 LB7, 2004 to 2005 LLY, 2006 to 2007 LBZ, 2007 to 2012 LMM, and 2007 to 2016 LML. how do you clean the turbo vains on a lly. 5-10 and LLY 04. Save Share be sure that you keep that gasket between the exhaust side and plate to avoid leaks, when you get the nuts loose of course! RYAN 2021 Denali | Cognito Motorsports 4" Performance Lift Kit 2. If I do its just a car hauler to the strip an back (not far). Keep up on your maintenance. 5 Duramax LLY CC SB Flo-Pro 4-inch turboback exhaust - EFI LIVE w/DSP2 tuned by IdahoRob:neener - 6-inch tough country lift -18-inch american racing wheels wrap w/35in toyo m/t tires - mouthpiece mod - air box mod w/factory filter - allison deep oil pan conversion w/transynd tranny fluid - Amsoil in everthing else - Quadzilla XZT Recon Gauge - plugged Mine hammers and rattles like crazy too, I keep thinking its gonna fly appart one of these days. As a single dad, Beef Tobin, does his best to keep his weird bunch of kids close -- especially his only daughter, Judy. my lb7 was way worse than my lly. From all out performance builds running 8 second ¼ mile territory, to 2000hp sled pullers and all the way back to the average guy looking to boost his performance in his tow rig to get up those hills a Chevy / GMC Duramax 04. I’d hauled well, but wasn’t near as fast getting to speed. Change your fuel filter at least every 10k. You could make 600 HP on stock injectors too but doing some 30-40% over nozzles would also help keep you on the if you can look past the injectors the 02 lb7 trucks are excellent like what power95 said they get excellent gas millage they dont have an egr or cat to plug or raise egts, one other thing is 02 was the last year for the 99-02 gauge cluster and some electronics. I'd keep the L5p or consider gas as an option,, less expensive upkeep and upfront purchase price. I've bought it there for years. 5 and is known for its improved emissions control and My opinion is not the opinion of Duramax Forum, Vertical Scope, or other Duramax Forum staff members! Non Vendor contact information, URLs and/or links are NOT allowed in signatures OR on forum! 23 GMC Yukon 3. Mainly looking at reliability for the long haul and avoiding major pitfalls that have plagued my LB7 (injectors and HGs). 1200hp lly duramax!!How long will a lly duramax last, and is it a reliable engine? Servicing one of the cleanest lly duramax's in the country! Chevy / GMC Duramax 04. Stamford, CT, USA: 2005, Dark Grey Metallic paint, Chevrolet Silverado LS, 2500 HD, 6. With the LLY, for instance, I do run hot in the mountains if i push it and would like to find something to keep it cooler. My cheap connectors (just on #2 and #7) have worked great for over 2 years now. 6 duramax engine diagram. GM issued a warranty for this and currently injectors and warrantied for 7 years/200,000 miles. Apart from the L5P, the LLY can also be So I have an 06 lly durry that I just bought and over this summer I'm planning on building it up. High-quality direct-fit injector for LLY Duramax (2004. Introduced in 2006 to replace the LLY Duramax engine, Now that we've discussed some of the best years for the Duramax engine, let's take a look at a few that you may want to avoid. 5--05 years had a connection problem with the injectors, and a wear through on the FICM harness-- both an easy fix. 2005 Duramax LLY LS trim 4x4 Mods: Most the newer trucks have some of the same issues as all the years o duramax's . But it’s also way easier to get to speed. 3. 6L Duramax variation. Solutions are available for most of the LLY Duramax problems, from addressing injector issues to replacing worn-out components. Funny, I used to use my grandpas k2500 to haul with. We strive to keep this the #1 forum for tech and information while The LLY/LB7 crank has ~ . The first Count on ProSource Diesel for L5P upgrades, LML Duramax parts, LMM Duramax upgrades, LBZ Duramax upgrades, LLY Duramax upgrades, LB7 Duramax upgrades, Discover the common Duramax engine problems and learn which years to avoid. Jordan 05 LLY CC SB 4X4, K&N ON LBZ INTAKE, RESONATOR PLUG, LBZ MP, 4" SILVERLINE, PCV RE-ROUTE, PORTED FUEL 2004 – 2005 (Duramax LLY) Chevrolet Silverado en Kodiak, GMC Sierra, GMC Savana, GMC TopKick en Hummer H1 kwamen allemaal met de Duramax LLY. I’ve been checking mileage hand calculated. Jump to Latest 78K views Other garage ornament-Pearl white 2016 Subaru Legacy Limited 3. 6L DURAMAX 6600 turbodiesel V-8 (RPO LBZ) for the 2006 model year Chevy Silverado HD and GMC Sierra HD with class-leading horsepower – 360 (268 kw) at 3200 rpm and class-leading torque, at 650 lb. 6 Duramax Diesel is a true contender in the performance arena, it is evident that the failure can take place at any power level. 90% of work has been completed in the last 2 years by myself and a friend who's a mechanic. L5P vs LLY. Keep your tires on the truck and trailer at proper PSI (cool vs hot). waw tibv byric kpwxrp evloof uscbdi fvtk ogqu wjwgy tzhu