if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'carproper_com-large-mobile-banner-2','ezslot_12',820,'0','0'])};__ez_fad_position('div-gpt-ad-carproper_com-large-mobile-banner-2-0');One issue with this engine is weak tie rods. They are both 3.0L I-6 turbocharged diesel engines.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'carproper_com-portrait-1','ezslot_22',833,'0','0'])};__ez_fad_position('div-gpt-ad-carproper_com-portrait-1-0'); This engine has proven excellentno changes have been made to it in any of the years it has been in use. LB7 Duramax engines are used in the Chevrolet Silverado 2500 and 3500, GMC Sierra HD 2500 and 3500, Chevrolet Kodiak C4500 and C5500, and GMC Topkick C4500 and C500 till early 2004 when they got replaced by their successor, the LLY. 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. The 2012 Duramax engine was a disappointment to many truck owners. The sulfur content makes it more acidic and can cause corrosion in your engine. The LBZ has 360 hp at 3,200 rpm and 650 lb-ft of torque at 1,600 rpm. So I like that body style and stuff. The 2020 Duramax engine is the same one as the 2019 model. After all, its an engineit doesnt have any value to hold. The compression ratio was modified to 16.8: 1 from 17.5:1, and the connecting rod I was made thicker for more strength. Assuming that you drive an average of 15,000 miles a year, it is best to change the oil of your Duramax engine once a year or after every 10,000 miles, whatever comes first. Now that we are talking about the worst years to buy a Duramax, it is time to move on to the best years. 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. First installed in 2001, the engine has become quite the option when considering pickup trucks, vans, and medium-duty trucks. You may be wondering why this engine has made its way onto this list, although it has not even been announced yet. WVDOT Automotive is a website dedicated to creating high-quality content for car enthusiasts. There are no major issues, and the typical issues are easily fixable. This can cause overheating problems, which will lead to more failures. 2014 2018 Impala Water in Trunk: Why, What to Do? 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. 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. Every engine has its share of quirks, and the Duramax V8 engine is no exception. It comes with a V-8 configuration housed in a cast grey iron block and cast aluminum head. Changed the injection pump from a CP3 to a CP4. Well, this is the future, and there is no denying that for the past few years, the newer Duramax engines have been great. For over a century, Chevrolet has been building trucks to get America to work. The best years for Duramax are 2006-2007 "LBZ," and the latest, post 2017 "L5P". 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. I own and drive a Porsche for my daily tasks. When concerned with MPG, the engine can easily push out the high 20s, which is great for truckers who go long distances. Budget would probably be around 20k. LBZ Vs. LMM Vs. LML Vs. L5P: Which Engine Is Best For You? Acura TLX vs. Honda Accord: What's The Difference? All you need to do is choose a vehicle with the favorite Duramax engine of your choice and have a driving experience like never before. Changed the injection pump from a CP3 to a CP4. The issues include: L5P is good, and an excellent buy for your GMC and Chevy needs. So something older. 2007.5-2010 LMM has the DPF system but is otherwise the same as the 2006-2007 LBZ. However, it would help if you did not buy this years models due to the improvements and upgrades in the later models from 2011, like the LML. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'carproper_com-banner-1','ezslot_4',816,'0','0'])};__ez_fad_position('div-gpt-ad-carproper_com-banner-1-0');The water pump also fails on this model, which means that when driving at highway speeds, you might find yourself without coolant or antifreeze due to a faulty water pump. It has the latest specifications and a broad application base. The best years for the GMC Sierra are the 2012 and the 2020 models. The Duramax V8 engine is a 6.6-liter Diesel engine produced by DMAX, a combined effort between General Motors and Isuzu. All of them are Certified Pre-Owned (CPO) vehicles. 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. Assume those links are affiliate links which means I may earn a commission if you click and buy. The engine produces 365 horsepower at 3,200 rpm and a torque of 660 lb-ft at 1,600 rpm. The 6,619-cc turbocharged engine finds its application in the 2004 to 2005 Chevrolet Silverado 2500 HD and 3500 HD. The LM2 engine can easily haul up to 9000 pounds of load. The Duramax V8 Diesel engine is, in actuality, a group of engines that were produced by DMAX and are a part of a joint venture between General Motors, the parent company of many brands such as Chevrolet and Cadillac, and Isuzu. 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. Our focus will be to highlight their features to show you their weaknesses and strengths. What Are The Most Common Problems With The Duramax? The exhaust gas recirculation system is designed to prevent black smoke from puffing out. This venture was created since DMAX was 60% owned by Isuzu and 40% by general motors. Duramax L5D is very reliable and efficient, with the only common issue being the air filter failure. I write about automotive topics for Car Proper. Hey, Im Tahir Azam, the sole owner of WVDOT Automotive, my blog. Fixing small problems early on can save you thousands down the road if they progress into something more serious later on. Duramax XLD25 was designed to be used in: Vehicle owners have not reported any significant issues with the XLD25 engines. Firstly, it has the L5P Borg Warner turbocharger, which gives you more power than the previous model. 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 . The new pump is many times more powerful and has a better flow rate than before. 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. But if youre asking whether or not a Duramax will hold its mechanical value, the answer is yes: they do. LGH engines are good engines considering they have one recurrent issue. These upgrades are huge and allow the engine to reach new performance levels like never before. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'carproper_com-narrow-sky-2','ezslot_19',829,'0','0'])};__ez_fad_position('div-gpt-ad-carproper_com-narrow-sky-2-0');You get the same upgrades, such as the faulty free Denso HP4 pump and the Borg Warno turbocharger. This can result in the engine stalling, which is pretty dangerous. This would not be all as the engines injectors were low quality and would go bad, shutting off the engine entirely. Got the Winters on just in time. Newer engines will not trouble you as much as the old models. If for some reason you want to replace your current engine and want to buy a Chevy Duramax or your current Duramax has failed and you want to buy a new one, rest assured that you can obtain a new engine for as low as $15,000. These leaks would, over time, cause damage to the transmission. Both engines are great in their field, with the Duramax being better horsepower. 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. It is no secret that the Duramax features high horsepower, and when compared to the average Cummins engine, Duramax has always had the edge over them. Lets dive in. The Duramax engine is part of a joint venture between General Motors and Isuzu which means that you will need to buy an Isuzu or General Motors truck to be able to use your Duramax engine. This had made this engine feel quite an untrustworthy and unreliable component in an otherwise great vehicle. We will look at the various year models of the prolific Duramax engines. It was the simplest in the lineup because it did not have a diesel particulate filter (DPF) or exhaust gas recirculation (EGR). 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 key to keeping your engine running strong is proper maintenance. Over the years, the engine has gone through several upgrades and improvements to ensure GMC and Chevrolet pickup trucks perform better than their competition. Enter the engine model in the Search Box. Its tough to nail down an exact number of how many Duramax engines have been sold, but we can provide you with some context. It is responsible for removing dirt and debris from your engines lubricating oil, which helps to keep it clean and prevents damage to other parts of the engine. On top of all of this, the gasket heads of the engine also tended to blow off. LGH Duramax years to avoid Years to avoid 2001 - 2009; Best years 2010 - 2017; Above are the best 6.6 GMC years. If you find yourself running out of oil frequently, the engine may have an issue. With reports of 200,000 engines being manufactured in 2006 and 2 million of these engines being sold as of 2017, there is a good demand and popularity for the engine. You can learn more about CoPilot on ourAbout Uspage. CoPilot searches your area and lets you know if theres a better deal on a similar vehicle nearby, so youre always certain you got the best deal possible. It is great, but it has had its share of problems over the years. It could be an indicator that something is wrong with your engine. 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. Customers have reported issues with the fuel injector that goes bad quickly. Your owners manual should give you a recommendation for when to change your oil. The Duramax, for the most part, has been a reliable engine that, in its best years, is smooth and powerful. Despite the upgrades, the LLY engine still had head gasket failures, water pump malfunctions, overheating of the engine, and lacked a factory lift pump. Hi there! Also, if I did get one, I have heard of bullet proofing it. 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. LB7s also experienced overheating and head gasket failures over a prolonged period of use. Beyond these levels, piston failure also starts to become common. Theres no denying it: the Duramax is a great engine. E.g. If you are experiencing this problem or are unsure if your lift pump is working properly, take your truck in for service immediately.
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