best and worst duramax years

Not changing it means that you are letting pollutants roam around in the engine. You can pick up a three-year-old luxury car for about half of what youd pay new. Despite it being more complicated than its predecessors, it is more reliable. Volvo XC90 Wont Start: What Could Be The Problem? These problems are pretty serious, but none of these are fixable. This is why I am placing it here in 2nd place. The engine block tended to crack, and the engine revved while driving. 6 Best Tuners For 5.3 Silverado Review 2022, Top 7 Best 5.7 Vortec Headers in 2022 [Review], SBC BBC V6 Chevy Engines Specs and Sizes [With Chart], SBC Head Casting Numbers: Lookup & Full List [FREE Download], Express/Savana Vans: 525 lb-ft @ 1,600 rpm. It could be an indicator that something is wrong with your engine. The 2012 has a strong history of reliability and performance, and the 2020 shows much of the same promise. I am a proud father of two boys. Earlier Duramax engines were characterized by a couple of inevitable problems that eventually cost owners in repairs. Best Duramax Engine: What Are the Best & Worst Years? - Chevy Geek - AFE Its tried and tested, and it has been in use for more than 20 years. Beyond these levels, piston failure also starts to become common. Looking to buy a new truck. 2022 Toyota Mirai MPG: What To Know About Its Fuel Economy. #2 Best Year: 2006 Duramax Before the success of the 2007 Duramax engine, the 2006 Duramax was yet another great engine that laid the foundation on which the 2007 model would be built upon. LGH engines are good engines considering they have one recurrent issue. Here Are The Duramax Years To Avoid - CoPilot Unfortunately, some models had a control module issue that prevented them from working and caused the metal tips to break off, which could cause engine damage. Customers have complained about this happening when driving and the issue being quite frequent, with the direct cause being unknown. Reply Quote. We provide a list of every dealership thats close to where you are. But its the strongest and most capable besides the newest L5P. With this system, you can increase your vehicles fuel economy by adjusting the exhaust after treatments. Improvements include an upgrade of the primary bearing material, which enhanced durability. There are things to note which can seriously shorten the lifespan of the Duramax. 2002 Silverado 2500 HD Duramax Allison trans. [My Honest Review], What Are The Worst Years For The Duramax? The 2016 model saw some improvements, and as of 2018, everything has mostly been on the up-and-up. The LM2 engine can easily haul up to 9000 pounds of load. Hi there! As you will see below, a few different years stand out as being the best year for buying a Duramax.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'carproper_com-mobile-leaderboard-2','ezslot_17',826,'0','0'])};__ez_fad_position('div-gpt-ad-carproper_com-mobile-leaderboard-2-0'); If you are looking for the best year to buy a Duramax, these are your options: This was the first year for the engine, so it was bound to have some welcome changes. If you are experiencing this problem or are unsure if your lift pump is working properly, take your truck in for service immediately. Reduced engine power mode was very common in this engine and would cut down the cars speed while driving by a lot, posing an annoyance and a safety hazard as well. Hey, Im Tahir Azam, the sole owner of WVDOT Automotive, my blog. The only problem you may experience in these engines is weak tie rods that may go bad when drag racing, off-roading, or sled-pulling. Keep reading to find out the specific issues that plague these Duramax model years. They can cause a lot of harm. For a Turbo-diesel engine, the 2019 Duramax offered a lot of power and durability, which is why I am placing it at 6th place. The most problematic and clunky diesel engine on this list, the 2003 Duramax, has a lot of major problems and received a good amount of complaints from the NHTSA, which is why I am placing it in the first place. Will definitely be a used truck, not something new. Thanks man, to be honest I've bought two 1500s for great deals so it would be a lot more. This is because these years featured some of the best engines ever produced by the company. As of March 2017, 2 million Duramax engines had been fully created. The Duramax engine is one of the most popular diesel engines in the United States and has been around for over two decades. The engines pistons are generally good, but beyond 600 whp they begin to crack and break. Maybe 20-25K budget range? A Duramax engine lasts 250,000 miles or around 20 years on average, but with good maintenance, it can do over 400,000 miles easily. The best years for the GMC Sierra are the 2012 and the 2020 models. Powerstrokes compression ratio is 16.0:1, while the ratio between Cummins and Duramax is the same, 16.2:1. What Are The Best And Worst Years For The Chevy Traverse? Yeah, injectors on the LB7 but that's just a matter of spending the money to fix it right, and the injection pump on the LML is easy enough to manage either by swapping on a CP3 or getting a lift pump. But I have heard while looking into diesels that there were years (for all brands, ford and dodge) that were horrible. Best and Worst Years for the Chevrolet Silverado Even though it is more difficult to understand than its predecessors, it is more dependable. This makes it easy for you to find a heavy-duty truck that meets your needs. The issues it had were similar to the 2011 model, so they are essentially the same. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,50],'wvdot_com-medrectangle-3','ezslot_1',806,'0','0'])};__ez_fad_position('div-gpt-ad-wvdot_com-medrectangle-3-0');if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,50],'wvdot_com-medrectangle-3','ezslot_2',806,'0','1'])};__ez_fad_position('div-gpt-ad-wvdot_com-medrectangle-3-0_1'); .medrectangle-3-multi-806{border:none !important;display:block !important;float:none !important;line-height:0px;margin-bottom:7px !important;margin-left:0px !important;margin-right:0px !important;margin-top:7px !important;max-width:100% !important;min-height:50px;padding:0;text-align:center !important;}This, however, does not mean that the engine is devoid of any problems and issues. Duramax engines such as the Duramax LB7 and Duramax LLY have frequent issues that involve the: It will cost you a lot to repair and maintain these engines, and their lifespan is short even if you get one new. This can cause overheating problems, which will lead to more failures. The engine consisted of Bosch high-pressure common rail direct injection system incorporated into its 32-valve design. The engine was fully synced and compatible with a 6-speed transmission, which allowed it to go unrestrained and unleash all of its power. There are many different types of fuel, and all have different properties, but some are better than others for your Duramax. Read more: LBZ Vs. LMM Vs. LML Vs. L5P: Which Engine Is Best For You? key tags, decals and shirts! https://truckmasterdiesel.com coupon code: TRUCKMASTER10 for 10% OFF everything and free shipping Subscribe to my new YouTube . The years listed below have a lot of issues in them and are engines you should try your best to stay away from. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,600],'wvdot_com-leader-2','ezslot_15',833,'0','0'])};__ez_fad_position('div-gpt-ad-wvdot_com-leader-2-0');This also restricted airflow in the engine and would cause major performance issues to erupt. That said, the lifespan of any internal combustion engine, including the Duramax, largely depends on the quality of maintenance. Enter the engine model in the Search Box. Chevrolet Silverado 2500 HD, 3500 HD (2004-2006); 1. The introduction of the DPF system makes the LMM a compelling buy. It is said that this vehicle will provide 11 percent more power and 6 percent more torque. Moreover, these year models are not safe to use as newer ones due to new features such as DEF (diesel exhaust fluid) and DPF (diesel particulate filter) systems implemented in the 2010 to 2021 Duramax engines. The Duramax LWN engines use the same 2.8L displacement as the XLD28 and have a similar inline configuration with four cylinders. Leaking O-rings on the fuel filter housing; Fuel pressures relief valve malfunctions; CP4.2 injection pump failure and NOx sensor failure. Here are some of the most common problems across all Duramax years. Despite the engine lasting quite long, other car systems may break down, which could make repairs uneconomical however it will never be due to the engine. The fuel lift pump is a very common problem for Duramax engine owners. Other than the L5P just because it's so new, there's not really anything catastrophic with any of them. There have been some great years and some not-so-great years for Duramax engines. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'carproper_com-leader-3','ezslot_14',822,'0','0'])};__ez_fad_position('div-gpt-ad-carproper_com-leader-3-0');Thats bad news since your engine will stall while youre drivingand it will also mean that you have no way of restarting it until you get back to a mechanics shop or service station. The Duramax engine is a great choice for anyone who wants a powerful and reliable engine. The compression ratio was modified to 16.8: 1 from 17.5:1, and the connecting rod I was made thicker for more strength. A typical Duramax engine should last you around 300,000 miles quite easily. If it was me I'd try to find the cleanest possible LBZ or LMM but I really wouldn't worry too much about any of them. The sulfur content makes it more acidic and can cause corrosion in your engine. However, it suffered from a few complaints from the NHTSA and was the victim of one problem, which is why I am placing it 7th place on this list.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,50],'wvdot_com-large-mobile-banner-2','ezslot_14',832,'0','0'])};__ez_fad_position('div-gpt-ad-wvdot_com-large-mobile-banner-2-0'); The main issue affecting this model was that the oil pressure sensors would fail. When talking about torque, Cummins takes the lead. Firstly, it has the L5P Borg Warner turbocharger, which gives you more power than the previous model. Firstly, it has the L5P Borg Warner turbocharger, which gives you more power than the previous model.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'carproper_com-narrow-sky-1','ezslot_18',827,'0','0'])};__ez_fad_position('div-gpt-ad-carproper_com-narrow-sky-1-0'); You will also enjoy the Denso HP4 pump that replaces the faulty Bosch CP4.2 pump. Once deleted same as LBZ. All of them are Certified Pre-Owned (CPO) vehicles. The 6.7L Cummins and the 6.7L Powerstroke share the same displacement, with the 6.6 Duramax being a close match. Efficiency, capability, and durability come to mind when talking about the 2010 Duramax, which is why it is 7th on this list. The first engine was the 6.6L Duramax LB7 used in the 2001 - 2004 Chevrolet Kodiak, Chevrolet Silverado, GMC Topkick, and GMC Sierra HD. Assume those links are affiliate links which means I may earn a commission if you click and buy. REAL MEN WEAR BOWTIES !!! In short, the newer model years show improved performance. Chevrolet Silverado 2500 HD, 3500 HD (2006-2007); 1. LLY/LBZ saw the first use of the 32-bit E35 controller for regulating fuel flow to improve efficiency and reduce carbon emissions. My love for automotive was there since my childhood. But my gmc now is an 04. Some users also complained about cab corners and rocker panels that rust faster in northern regions due to high humidity and salt. In my spare time, I'm either working out, reading the book, or spending time with my family. The 2005 Duramax is one of the worst engines of the entire series. Which are the best and/or worst Duramax years? Like XLD25 engines, the XLD28s have minor issues that may cause concern in terms of their durability and efficiency. Duramax L5D is very reliable and efficient, with the only common issue being the air filter failure. turbo inlet manifold, just to mention a few. Another advantage of the new 2011 to 2021 models is their use of after-treatment systems that enable vehicle users to tune the fuel economy. The bore and stroke also vary from 3.62 by 3.7 inches in the XLD25 to 3.7 by 3.9 inches in the XLD28. Now that you are all about the Chevy Duramax, you should get the best engine for your truck and avoid all the problems and bad models of the product. GM then introduced the Duramax LBZ for the 2006 2007 Chevrolet Silverado HD, Chevrolet Kodiak, Chevrolet Express, GMC Sierra, GMC Topkick, and GMC Savanna. This is especially the case if the previous owner did not follow GMs protocol to have the injectors replaced under warranty. This allowed the vehicle to tow cargo with weights as big as 9300 pounds. References:https://www.dieselworldmag.com/diesel-news/sippin-silverado-2020-duramax-gets-up-to-40mpg/https://gmauthority.com/blog/gm/gm-engines/lm2/https://dieselresource.com/diesel-resources/lly-duramax-problems/. Duramax L5D is a great engine and is an excellent buy in the current market. They are widely sought out because of this and can be a great buy if you are looking for a Duramax engine of this time. Engines before these are less reliable and plagued with major mechanical and structural issues, as well as missing components. LGH engines were put in vehicles between 2011 and 2016 and 2010 interim Chevrolet Express and GMC Savana vans. The valve covers were improved to allow access to the fuel injectors without removing the valve covers. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'carproper_com-leader-4','ezslot_15',821,'0','0'])};__ez_fad_position('div-gpt-ad-carproper_com-leader-4-0');The ball joints and upper control arms on these engines have also been known to fail prematurely due to increased stress that affects their structural integrity over time. This is the central hub for truck discussion. What are the Best Years for the GMC Sierra Truck? (Revealed!) Best Year Duramax | Chevy and GMC Duramax Diesel Forum Press J to jump to the feed. Apart from that, the engines are highly reliable. The recurrent issues of LML engines include; LML is the first great buy among the Duramax engines we will recommend. Finally, make sure there are no leaks in your enginethey can cause serious damage over time if left unchecked! Lets take a look at the best and worst years for Duramax: Moving on with the article, Ill explain each model in more details and Ill answer some of the common questions as well so you could decide which model is the right one for you. All in all, the latest Duramax engines are powerful and well-tuned to fit your GM and Chevy needs. What Are The Best & Worst Years For The Duramax Engine? When comparing engines built for trucks, torque and horsepower are the most important factors. Theres no denying it: the Duramax is a great engine. 45 years in auto/truck industry.Blue Seal Certified Author of auto/truck repair information.An adaptable, detail-oriented, world-class automotive technician with a demonstrated track record of experience in product/technical support, automotive shop management, diagnostics, root cause analysis, maintenance/repairs, quality assurance, customer service, training and mentoring, and staff supervision.Strong background in facilitating adult education including analysis, design, development, implementation, and evaluation of training programs.Operates automotive equipment including electrical (scopes, DMMs, and logic probes), drivability (including scan tools and programming capabilities), alignment, brakes, HVAC, engines, and automatic transmissions.Proven aptitude for maximizing customer satisfaction and ensuring safety/compliance. For good reasons, as the LBZ engine was praised by experts and revered by owners, many people gave it a 9/10 rating, which is why I am placing it at the top of this list. Lets dive in. Personally, as of now, the LML years (11-16) are the only ones that I would try to avoid unless the CP4 was replaced with a CP3. 2020 introduced a new engine into the mix with the 3L inline Duramax, a turbo-diesel engine with a lot of mileage, efficiency, and high torque numbers, which made it very appealing for truck owners. With that said, Ive only had 1500 series gm trucks. After all, its an engineit doesnt have any value to hold. This had made this engine feel quite an untrustworthy and unreliable component in an otherwise great vehicle. Chevrolet Silverado 2500, 3500 (2001-2004); 1. This is why it is used in so many heavy-duty vehicles like trucks and more. The only common issues in these engines include: cracked pistons, glow plug failures, EGR problems, Allison 1000 transmission line leaks, and water pump failures. The 2016 Duramax is overall a good engine. This venture was created since DMAX was 60% owned by Isuzu and 40% by general motors. They are worth a buy due to their extensive features and durability. Furthermore, you can still find newer off-lease cars usingCoPilot Compare, the search engine for nearly-new cars. This would not be all as the engines injectors were low quality and would go bad, shutting off the engine entirely. Its a diesel engine, so it requires more maintenance than a gas-powered engine. CoPilot Compare breaks down pricing and feature differences between Duramax years so you can find the sweet spot between value AND reliability. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'carproper_com-leader-2','ezslot_13',824,'0','0'])};__ez_fad_position('div-gpt-ad-carproper_com-leader-2-0');The result was an engine that was not only found in expensive trucks but also had troubling reliability problems right out of the gate. The compression ratio remained at 17.5:1, improving horsepower (310 hp at 3,000 rpm with automatic transmissions and 300 hp at 3,000 rpm with manual transmissions) and torque (605 lb-ft at 1,600 rpm with automatic transmissions and 520 lb-ft at 1,600 rpm with manual transmission). The engine provides drivers with a lot of power and acceleration.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'carproper_com-sky-1','ezslot_24',831,'0','0'])};__ez_fad_position('div-gpt-ad-carproper_com-sky-1-0'); It has been designed to be as responsive as possible. The 07.5 is the new LMM new body style and has the DPF on it which robs fuel mileage. The torque is 360 lb-ft at 2,000 rpm. Although the engine comes with a mere 100000-mile or five-year warranty, it is almost certain that the engine will outlast this range by a huge margin. But, as with any machine, it requires some upkeep to keeps it running at its peak performance. Packed with a faulty Nox sensor, the def system of the engine was prone to failing and gave frequent failures due to a code P20bp. Your truck will run smoother and last longer when you take care of it. But if youre asking whether or not a Duramax will hold its mechanical value, the answer is yes: they do. I love cars and have a passion for writing helpful articles on tools, car accessories, and how-to to help my readers solve their problems. Thunderer Ranger ATR Tire Review: Is It A Good Choice? Press question mark to learn the rest of the keyboard shortcuts. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,50],'wvdot_com-mobile-leaderboard-1','ezslot_18',839,'0','0'])};__ez_fad_position('div-gpt-ad-wvdot_com-mobile-leaderboard-1-0');if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,50],'wvdot_com-mobile-leaderboard-1','ezslot_19',839,'0','1'])};__ez_fad_position('div-gpt-ad-wvdot_com-mobile-leaderboard-1-0_1'); .mobile-leaderboard-1-multi-839{border:none !important;display:block !important;float:none !important;line-height:0px;margin-bottom:7px !important;margin-left:0px !important;margin-right:0px !important;margin-top:7px !important;max-width:100% !important;min-height:50px;padding:0;text-align:center !important;}Most companies and car manufacturers recommend this, and it is something you should follow unless you want to damage the engine of your car. Although it can only be found in newer trucks, it is worth it. The 2005 Duramax also received many complaints from customers and the NHSTA alike, which is why I am placing it at 5th place. With the search engine, you even get to see how much money youre saving by shopping with the best nearly-new listings in your area. Without this coolant circulation, your engine will overheat quickly and cause damage further down the line if not addressed in a timely manner. However, we recommend staying away from it due to pistons that crack at higher horsepower. Transmission (s): Allison 5-speed automatic, ZF-6 6-speed manual. After getting home, I dedicate a few hours of my time to create an article every day. The Duramax, for the most part, has been a reliable engine that, in its best years, is smooth and powerful. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,50],'wvdot_com-mobile-leaderboard-2','ezslot_20',841,'0','0'])};__ez_fad_position('div-gpt-ad-wvdot_com-mobile-leaderboard-2-0');if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,50],'wvdot_com-mobile-leaderboard-2','ezslot_21',841,'0','1'])};__ez_fad_position('div-gpt-ad-wvdot_com-mobile-leaderboard-2-0_1'); .mobile-leaderboard-2-multi-841{border:none !important;display:block !important;float:none !important;line-height:0px;margin-bottom:7px !important;margin-left:0px !important;margin-right:0px !important;margin-top:7px !important;max-width:100% !important;min-height:50px;padding:0;text-align:center !important;}While it has lost its footing on multiple occasions, it remains one of the top diesel engines on the market and is a solid buy for truck owners. So again, depends on your budget. List Of The Best Years For The Duramax: What Years To Buy, List Of The Worst Years For The Duramax: What Years To Avoid. I just want a good clean truck that I can slowly bullet proof and will last me a long time. When talking about the best and worst years for Duramax, I will go over these problems and rank them accordingly. 170000 miles and still going strong. If you find yourself running out of oil frequently, the engine may have an issue. LMM engines were used in the 2007 Chevrolet Silverado 2500 HD, 3500 HD, 2007 GMC Sierra 2500 HD, 3500 HD, 2007 Chevrolet Express 2500, 3500, and 4500, as well as 2007 GMC Savana 2500, 3500, and 4500. The LBZ 2007 Duramax engine is considered to be the most reliable engine that GM has ever made. That said, stock for stock, the LBZ (and not the 06 LLY) really are the best, mainly because of the 6 speed Allison and the extra 125 ft lbs / 40 hp over the LLY . Started using variable van turbos here. Here are three things you can do to make sure your Duramax is performing at its best: These are basic but important tips that will help owners ensure that they will be able to use the Duramax engine for as long as possible. These engines were made alongside the LGH and could produce 397 hp at 3,000 with a torque of 765 lb-ft at 1,600 rpm. When concerned with MPG, the engine can easily push out the high 20s, which is great for truckers who go long distances. While generally devoid of problems, the 2008 Duramax had one very integral problem, which hurt its reputation and put it at 6th place on this list. Engines from this era are full of mechanical issues as well as durability limitations based on their build quality, the materials used, and available features. It would be best not to buy the LLY due to its many problems and the lack of essential features like the factory lift pump. Fuel injector failure, especially injector number 4. All of the issues were present, such as with the Bosch CP4 pump and the failure of the ball joints due to their inability to handle high stress. The app is backed up by the same technology used by the best dealerships to manage their inventory. The best Duramax years are generally considered to be those from 2011 to 2015. 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. LMMs in vans have 250 hp at 3,200 rpm and 460 lb-ft in torque at 1,600. For example, diesel is the most common type of fuel used in trucks, but it also has the highest sulfur content. Injector failure and gasket leaks were also quite common in this model. The LMM is the worst. That is a lot of engines for a lot of vehicles. 2014 2018 Impala Water in Trunk: Why, What to Do? The engine cover was also causing a lot of problems to the vehicles wiring, as it eats into the wires and coils and the only way to stop it is to replace it. But you can convert the CP4 to a CP3, and just because the computers in my truck were haunted doesn't mean they all are. We recommend staying away from GM trucks that have the following engines: According to Driving Line, if you have a Chevy Kodiak, Chevy Silverado, GMC Sierra HD, or GMC Topkick with the Duramax LB77, it is virtually inevitable that youll experience a problem with the fuel injection system. [My Honest Review], What Are The Best & Worst Years For The Jeep Wrangler? This 6.6L turbo diesel V8 does a lot of heavy lifting and can reach towing capacities of 20,000 pounds which is quite a lot. The Duramax is a solid engine, but it cannot take care of itself. That sounds right about what I'd love to do. The safest Duramax model years you can buy are the models produced from 2011 to 2021. As an avid car driver, I love to mention and link to various products and gear I use. The pistons are made from aluminum, so they tend to crack under high pressure. 2017 Chevy Colorado 6 m/t. Oddly enough, the LGH has more recurrent issues than its predecessor. [My Honest Review], What Are The Best & Worst Years For The Audi Q5? The Duramax LLY engines took over the Duramax engine category fully by mid-2004. Duramax Buyer's Guide: How to Pick the Best GM Diesel The 2007 Duramax is widely regarded as the best diesel engine General Motors has put out. The most important factor is reliability, which is why well be looking at that data today. Every engine has its share of quirks, and the Duramax V8 engine is no exception. It is great, but it has had its share of problems over the years. I hope you enjoy reading through my articles, and I also hope that I may have helped you choose an upgrade for your vehicle. You should buy the LM2 Duramax engine if you are in the market for a newly built 3L engine with DOHC, four valves per cylinder. I'd probably say the best year of Duramax is the one you can find that was the best taken care of.

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