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The years to avoid Duramax engines are 2001, 2002, and 2004 due to injector and turbocharger problems. These years have shown higher rates of engine failures and costly repairs. Duramax engines are known for …Jun 17, 2022 · The Iconic 2011-2016 6.6-liter LML Duramax V-8 engine is the capstone of GM’s Pre-L5P turbodiesels. ... when it was replaced by the all-new 6.6-liter Duramax L5P. During those 15 years, DMAX Ltd ... Well, the life expectancy of a Duramax 6.6 is around 2,00000 miles without any major repair. But it can last up to 4,00000 if properly maintained. So, the exact life expectancy of a Duramax depends on maintenance. Properly maintained and poorly maintained vehicles’ life expectancy is completely different.Duramax History, Lesson 3: LBZ. December 10, 2018. Story By. Mike McGlothlin. By the time the LBZ came along, the LB7 ’s injector issues had long been solved and the overheating issues associated with the LLY were a thing of the past. This engine’s beefier block casting, stronger connecting rods, higher pressure common-rail fuel system and ...The 3-liter Duramax is an inline-6 engine that debuted in 2019 for the 2020 model year, and generated 277 horsepower with 460 pound-feet of torque.Duramax History, Lesson 5: LML. In order to meet ever-increasing emission standards and keep up with the Joneses (at the time, Ford’s upcoming 6.7L Power Stroke), GM amended the Duramax once more for the 2011 model year. The fifth generation common-rail V8 was given the RPO code LML. While it was nothing like a full redesign—it still ...Worst Duramax Engine Model Years. While the Duramax engines seem to be mostly reliable these days, the earlier years exhibited a lot of problems. 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.Engine: 6.6L LLY Duramax V8 with Bosch common-rail injection system. Transmission (s): Allison 5-speed automatic, ZF-6 6-speed manual. Best Year (s): Any year — just be prepared for the possibility of replacing the head gaskets and facing overheating issues if you plan to tow heavy. Price Range: $10,000 to $19,000.I’ve compiled many reports from various forums and blogs. According to them, I recommend avoiding the following Duramax year models: 2001 – 2004 Duramax LB7. 2004.5 – 2005 Duramax LLY. 2006 – 2007 Duramax LBZ. 2008 – 2010 Duramax LMM. 2007 – 2012 Duramax LML. These specific engine models have received a lot of complaints.The first Duramax diesel engines were used in '01-model year heavy-duty pickup trucks. The turbo-diesel V-8s displaced 6.6 liters and produced 300 horsepower and 520 pound-feet of torque. 2006-2007 LBZ has the problems from previous generations fixed, and now the weak link is pistons. These also have 6 speed transmissions instead of the 5 speeds. 2007.5-2010 LMM has the DPF system but is otherwise the same as the 2006-2007 LBZ. 2011-2016 LML has DPF and DEF. Changed the injection pump from a CP3 to a CP4. Here are the years of Duramax engines to avoid: 2001 to 2004 LB7. 2004 to 2005 LLY. 2006 to 2007 LBZ. 2007 to 2012 LMM. 2007 to 2016 LML. These engines are prone to numerous problems, including issues with the fuel lift pump, water pump, fuel injector, piston, and fuel pressure lift pump. Read on to learn more about the Duramax years to …Dec 21, 2018 · Duramax History, LessonAs previously stated, the first model year of Du The best years for the duramax were 2011-2016 while the worst years were 2001-2004. During this time, the duramax was plagued with injector and fuel system issues. The duramax engine is a popular choice among truck owners due to its power and reliability. However, not all years of production can be deemed equal. The 2001 – 2004 Duramax LB7 and 2004.5 – 2005 Duramax L Meet the Experts. < Previous | Next >. Code 2200 plus saying speed limited to 65 in175 miles. But cleared with tester and back now. 2013 chev duramax 6.6 - … Meet the Experts. < Previous | Next >. Code 2200 plu

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. These are the Duramax engine years that have been most troublesome. “Drive Past Myths: Get the Real Deal on Car Buying!”.Nov 23, 2014 · LMM 2007.5- 2010 Started DPF for emissions, all years before had EGR coolers and valves, with the exception of some LB7 engines. LML 2011 EGR, DPF, and DEF fluid emissions equipment. CP4 issues and issues with def fluid have been the most prodiminant issues, strong running engines and plenty of power from the factory. Duramax started using the DEF in 2011. Stricter emission regulations require improvements to different systems of a car. With the popularization of biodiesel, the fuel in diesel engines became cleaner. The DEF is one of the most successful ways to reduce NOx emissions. The reduction can go up to 90%.Dec 12, 2023 · The best years for the Duramax are 2006 and 2007. These engines are both highly reliable and capable of a fantastic output. The only commonly stated problem with the 2006-2007 Duramax is that the pistons tend to crack when the engine runs higher than 600 horsepower.

Dec 12, 2023 · The best years for the Duramax are 2006 and 2007. These engines are both highly reliable and capable of a fantastic output. The only commonly stated problem with the 2006-2007 Duramax is that the pistons tend to crack when the engine runs higher than 600 horsepower. The joint venture (and resulting engine) was known as Duramax, and the LB7 was the first of many models to come. It’s a 6.6-liter, common-rail injected, 32-valve, V8 turbodiesel which put out 235hp and 500 pounds of torque in its first year, and for the final year of ‘04 the LB7’s output had grown to 300hp and 520 pounds of torque.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. This pump became an integral component of this high-perfo. Possible cause: Common problems with Duramax diesel engines include air in the fuel lin.