Running Complete Format Engines also include live-run dynamometer testing to assure reliability. The LMM Duramax Engines is a General Motors diesel engine family for light to medium duty trucks. All said and done, this was the only thing that was changed internally and the LMM had the same strengths and weaknesses as the LBZ. Like its predecessor, the LMM Duramax was a sturdy motor, responded well to modifications, and could handle up to 600 horsepower before things started to break. Awesome thank, I did talk to a friend of mine, who has some experience with it (basically nothing) but are tje LMM known for tje bad injectors from factory? If that's the way you feel about it, then you must have alot more money that I do. To me, after 5 years or so condition is all that matters. SL Bolt On Passenger Side up- Pipe w/ Gasket Fit LB7 LLY LBZ LMM LML 6.6L Duramax . While the heads were the same for all practical intents and purposes, the coolant passages were redesigned to optimize cooling and handle the extra heat caused by the new emissions control equipment. 06' Sierra 2500HD LBZ 4x4 -EFILIVE, Cognito, GMFS treatment, etc Why shouldn't I worry about a tuner? 35 sold. Balance rates, if good, tell a lot about a diesel engine. All said and done, the LMM still managed to put down 365 horsepower and 660 ft/lbs. The Duramax Engine was released in late 2001 into the Chevrolet and GMC chassis vehicles. GM makes a great 2500HD setup with the 6.2. I bought my lmm (07.5/100k) about 3 years ago when diesel was pretty cheap in my area. You can either buy a handheld flash tuner like an SCT or Edge device, or you can get custom tuning with something like EFI Live. While there is some truth to this, much of it can be attributed to maintenance (or lack thereof). The 6.6-liter LMM Duramax Engine is produced by DMAX, a joint venture between GM and Isuzu in Moraine, Ohio. GM makes a great 2500HD setup with the 6.2. Some are just a dongle for the DLC and a program for a laptop or phone. These things are all normal used car stuff and shouldn't put you off. Theyre out there. 260k is a little high but i dont know what your budget is. In addition, high-mile versions are prone to popping head gaskets. If you're looking for an engine that won't trouble you much, we recommend the following Duramax year models: 2010 - 2017 Duramax LGH 2011 - 2016 Duramax LML 2011 - 2021 Duramax XLD25 2012 - 2021 Duramax XLD28 2014 - 2021 Duramax LWN 2017 - 2021 Duramax L5P 2019 - 2021 Duramax LM2 If the injectors have never been replaced then that's a no go for me. This should come as no surprise to anyone familiar with the LBZ as cracked pistons were a problem in that motor as well. They now had six-holes as opposed to the previous seven-hole design on the LBZ. I am interested in trading in my 1/2 ton with a 4.8 for something that will move more than a bag of concrete. I ended up not even looking at the truck. Hope someone else finds this useful like i did. Not sure if it will go deep enough into data for checking injectors though. On the turbo side, the LMM used the same Garrett GT3877VA, and it was more than up to the task of handling higher boost levels offered by performance tunes. Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may be a little (or a lot) different. 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. 01-04.5 are the years of the lb7. It could have had some kind of tuner on it. I haven't looked at it yet so I wanted to fine out what should I look out for when I do. Oct 5, 2016 Lol I have not found a 2014 or 15 in my price range . What all do I need to check out on it? I've done plenty of used car look overs for the lot and new car pdi's so I know the basics of what I'm looking for but mostly work on cars being a Hyundai dealership lol. Hi there, I'm looking into buying an Lmm duramax, I know maybe two things when looking at a diesel. but to keep them happy and maybe save a few thousand milesairdog 2 165gph.. worth the money man. Hi there, Im looking into buying an Lmm duramax, I know maybe two things when looking at a diesel. The trustworthy Allison six-speed transmission received some minor improvements and was noted as being sturdier and able to handle more power (and abuse) over the one installed in the LBZ. no problems and i run ppe 2 hot on 3 everyday. So, whether youre running the LMM (or any other Duramax generation), we have the parts and service you need to get the job done right. Shove your hands under the wheel wells if it has fender flares to feel for paint chipping or rust scaling, If its tuned try to get more info on the tunes like where they came from, what they are etc. Warranty. Manual help. What would you guys recommend looking at when Press J to jump to the feed. The Duramax Engine was released in late 2001 into the Chevrolet and GMC chassis vehicles. Absolutely love the truck. Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. Duramax 6.6 Technical. They said it will do some of the dog stuff though. Injectors with 200k on them and injectors with 100mi on them are just as likely to let go, GM never fixed the issue. Pros - New look of body style - Drivers area seems to be more comfortable then prior year models - Overall creature comforts and dash layout C cornfed396 New Member Messages 5 Reaction score 0 Location SW MI Jul 18, 2009 #5 pros -remote start P LOOKING TO BUY LMM DURAMAX $5,000 Posted 21 days ago Lethbridge County, AB T1J5R3 (View Map) Favourite Request CARFAX Canada Report Condition Used Year 2008 Make Chevrolet Model Silverado 2500 Body Type Pickup Truck No. If its bad enough you can smell the coolant (ask me how I know), Just like buying anything, crawl under it. The Duramax 6.6L diesel engine is widely used in such popular applications as the Chevrolet: Silverado HD, Express, and . Like everyone else out there lol I'm a mechanic myself but just introducing myself into the diesel and Duramax world. It had to do with the design of the wrist pin bushings which were known for giving out at higher power levels. And of course check all the fluids. I'm looking at it also. On the test drive make sure it runs through every gear, Look at the exhaust on startup. Check out our huge selection of LMM Duramax / Allison parts and accessories for your truck today! Great trucks except for the injector problem they have that there is no fix for. Yes, please post your impressions when you have had a chance to use it. It is more than capable of handling some serious power and other components like the pistons, connecting rods, and crankshaft will give out long before you need to worry about the block. Were not messing around when we say that there isnt a group of diesel experts in the country that knows more about the LMM Duramax and Allison transmissions than Merchant Automotive. With that said, the LMM was slightly more powerful than the LBZ, putting out an extra five horsepower and 10 ft/lbs. In order to comply with these new regulations, GM responded by installing new emissions control devices such as a diesel particulate filter (DPF), an intake airflow valve, and a larger exhaust gas recirculation valve (EGR). IMO if you're just wanting a duramax as a daily driver and no towing, stick to gas. But what are you gonna use it for? Hey guys I had been getting opinions in another thread to go gas or Duramax. LMM Duramax engine may show problems over time due to wear and tear after daily use is natural. Get the VIN# and take it to your local dealership and have them run it and see whats been replaced. Engine-wise, there are no major issues with the LMM as it was practically the same as the LBZ. If the balance rates are good then it is less likely that any other engine systems will be problematic but it isn't all there is. The LMM could be summed up as an LBZ with some added emissions control equipment as it was practically the same engine aside from the coolant passages in the head being revised to handle the extra heat. The only thing you really need to have checked before you buy is the injector balance rates. It shouldnt be building enough crankcase pressure to blow the cap off, Watch for hard shifts, could be indicative of a trans on its way out. Fortunately, it is not a deal-breaker and like the water pump, it can be fixed for a few hundred dollars by installing some upgraded transmission cooling lines. There are a number of reasons for this, so let's take a quick look. Duramax Life Decals for sale $10click herehttps://www.ebay.com/itm/283109232022 What to look for when buying a Used Duramax *must watch*New T-shirts and ho. My advice buy and 06 or 07 classic. Haven't decided if it's better to have an older truck lower miles or newer truck higher miles. However, it is reportedly more common in the LMM due to the injector design that fuel sprayed directly over the pistons center, thus subjecting the wrist pin to more heat. Duramax key tags, decals and shirts! https://truckmasterdiesel.comAnthem Wheels! A lot of issues can cause an engine to malfunction. Looking at buying an 09 Duramax, what to look for. While the LMM received a minor bump in horsepower and torque, it took a step back in terms of fuel economy thanks to the DPF. Like the engine, there were only subtle changes to the fuel system. Thanks! And also if I do end up buying it what are some things I can do to make it last YEARS? original injectors. Be prepared for a brake job either immediately or within the first year because many used vehicles need brake work. This is . 6 comments. It should be noted that active regeneration was largely responsible for the decrease in fuel economy. With not being 100% that I am getting a diesel I hate to spend a bunch of money on something I may not even use. Other minor changes came in the form of a six-hole injector (previous models had seven) that sprayed fuel directly on the top of the piston for a more complete burn. Duramax LMM Reliability Consistent to its very similar LBZ counterpart, the LMM is a highly reliable engine. share. Unfortunately, that included the issue of cracked pistons at higher power levels, and this persisted throughout the entire production run of the LMM. Not much engine/trans wise should need replacing, just usual wear parts. 6.5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004.5-2005 (LLY) 6.2L Diesel Engine Fuel System, Air, Exhaust & Emissions Upgrades Recommended Communities Pirate 4x4 Forum Even though this engine is from the late 2000s, it still works efficiently. You just never know until you try it out. x2 on overheating. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Cummins X-15 Coolant Problem. Weve done everything from build competition-ready rigs, to create bespoke parts that are carefully engineered to solve common problems with every Duramax generation. Not to mention, it introduced some new problems in the form of reliability that took a few years to work out and that brings us to the next question. While the new emissions control equipment limited tuning options (albeit they could be removed) the LMM had plenty of potential. Where diesel techs help other diesel techs with questions, advice, how-tos, and - sometimes - sweet, sweet karma. The Duramax Engine is a General Motors diesel engine family for light to medium duty trucks. I'd look for something that could be updated and consider it a necessity for any mechanic. 260 is a little high for me too. LMM Duramax is a high-quality engine with a unique emission feature. to 2000hp sled pullers . Generally, it occurs when the vehicle is cold and is usually nothing more than an occasional drip. There are a lot of lesser scanners that will do balance rates. Check the wire loom around the engine, if its brittle and breaks, run. Join our tribe of Duramax and Allison transmission fans and get our latest deals, articles, and resources sent straight to your inbox! With that many miles it's kind of hard to tell what might happen. It has been said the increased operating temperatures of the LMM can reduce the longevity of the engine and related components. I ended up getting a 08 ccsb in maroon with leather and 130k on the clock for just under $20k. These are a few vital ingredients that you must look for if you buy affordable vinyl fencing. Where the divergence occurred was in regards to the new emissions control equipment. Therefore, when buying a fence, ensure that the company you chose offers a warranty on its products. - Leaking Transmission cooling lines in cold weather. of torque. 2014 - 2021 Duramax LWN. 1978 K30 Dually. Overall, the block has never been regarded as a weak spot on the Duramax engines. What are some things I would be looking at replacing at that mileage? Well spare you the long technical discussion of how it works, but basically the DPF traps (and burns off) excess particulate matter. Press question mark to learn the rest of the keyboard shortcuts. 2011 - 2021 Duramax XLD25. https://www.anthemwheels.com/?ambassador=TruckMaste. With that said, the overall reliability of the truck it was installed in could be regarded as a step back due to the problems associated with the DPF and it took a few years to iron them out. However, if something happens you will require a warranty to cover the repair charges. A forum community dedicated to GMC and Chevy full size owners and enthusiasts. Free shipping. Is there any good way to check the injector balances without having a high dollar scan tool or and edge cts? A new fence will look as good as new for a few months. All rights reserved. Free shipping. There are a few options for tuning the LMM. It was very similar to the LBZ, but it featured an all-new emissions device, a diesel particulate filter. A simple tuner can add up to 100whp for just a few hundred bucks. If you see white smoke it could be shitty injectors or worse a blown head gasket. Plan on replacing every fluid in the truck asap. With that said, the LMM was slightly more powerful than the LBZ, putting out an extra five horsepower and 10 ft/lbs. Checking to see if they have been replaced before means nothing. The Fora platform includes forum software by XenForo, https://www.amazon.com/s/ref=sr_nr_p_72_0?fst=as%3Aoff&rh=n%3A15684181%2Cn%3A15706941%2Cn%3A15707351%2Cn%3A15707381%2Ck%3Ascan+tool%2Cp_85%3A2470955011%2Cp_n_feature_keywords_browse-bin%3A3920100011&keywords=scan+tool&ie=UTF8&qid=1522895251, https://www.injectorsdirect.com/what-you-need-to-know-about-duramax-balance-rates/, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. This is done via two methods with the first being known as passive regeneration and this occurs when the engine is running at high temperatures (like when towing or hauling). I have a Genesys Evo, which is a high dollar scan tool, but I had my own shop so it was essential. And make sure the injectors have been replaced and also check to see if the manifold has been tap for a pyrometer. EXCLUSIVE SAVINGS AND HELPFUL ARTICLES! I don't know what the entry lever is for something that will read enough data to give you balance rates but I think $250 would cover it. Sometimes they just cove a dozen or so PIDs but hopefully your new one will be better than that. 2022 Merchant Automotive. Nick offers a few things to keep in mind while looking to buy a DURAMAX equipped pickup truck. . The DPF is a hot-spot for failure so beware that you will probably end up with a few thousand dollars of DPF/emissions repairs, however you can *illegaly* remove this potential problem by removing the DPF system. id be worried more about one with a tuner that has low miles than one that is high miles. Perhaps I should say a little more here. I haven't owned a diesel in a long time. of torque, more than anything Dodge and Ford had to offer at the time. JavaScript is disabled. IMO if you're just wanting a duramax as a daily driver and no towing, stick to gas. What would you guys recommend looking at when looking for a diesel pickup? what kind of issues should i look for? While removing dirt and contaminants from your fuel is a good start, it doesn't do anything to improve the lubrication properties of fuel in the first place. $124.99. I actually just ordered the newest one launch has come out with and still waiting because they are already out of stock. the injectors will go out brotha no matter what they will. Okay yeah thats about what I was looking at too. i have an 02 with 123k. The larger forged connecting rods and piston design of the LBZ were carried over as well. 2012 - 2021 Duramax XLD28. There would be further improvements in 2011 with the introduction of the LML. For a better experience, please enable JavaScript in your browser before proceeding. 145k miles. Check for blowby. The LMM Duramax refers to Chevrolet Silverado HD and GM Sierra HD trucks equipped with the 6.6L Duramax diesel engine between the years of 2007.5-2010. The 6.6-liter LMM Duramax Engine is produced by DMAX, a joint venture between GM and Isuzu in Moraine, Ohio. Free shipping. Upon my hunt I have come across a 08 Silverado ltz Duramax lmm. Looking to get into the diesel tech industry. Instead, this generation Duramax is known for overheating issues, namely when towing heavy. This typically happens every 700 miles or when the filter has accumulated 40 grams of soot. Like its predecessor, the LMM Duramax was a sturdy motor, responded well to modifications, and could handle up to 600 horsepower before things started to break. I almost asked what they are but found this with a quick search. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. im looking at an 02 ext cab with 163k. is there any expensive maintenance that would be coming up? Reddit and its partners use cookies and similar technologies to provide you with a better experience. On the plus side, the LLY featured the largest turbo offered on any Duramax engine, and it utilizes variable geometry technology for optimum spool up, mid-range and top-end power. Enter for the Drawing! or Best Offer. 2007 GMC 2500HD CC/SB SLT 4x4 LBZ- 68mm Cheetah w/ HX40 DP, Profab y-bridge, headers & up pipes, Big Dipper trans w/ 1058, Duramaxtuner, Cognito 4" NTBD w/ Deavers, FASS 150, ARP Headstuds, The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. The LMM came about in response to a 2007 EPA mandate that extended emissions requirements to the diesel engines used in light trucks with the objective of reducing nitrogen oxides and particulate matter. 177 sold. . A well taken care of stock truck is what I'm after. While the DPF had been used in commercial vehicles prior to 2007, this was the first year it saw widespread use in light trucks like the Silverado 2500/3500. With this system, you can increase your vehicle's fuel economy by adjusting the exhaust after treatments. While the Allison 1000 is a stout transmission and it received some upgrades in 2007, the coolant lines frequently leaked due to a poor crimp design and it was a known problem on the LBZ well. It wouldn't be surprising to need shocks too. 6.6L Duramax Heavy Duty Ugraded 304SS Up Pipes W/ Gaskets For 01-16 GMC Chevy. Everything You NEED to Know About the LMM Duramax, Allison 1000 Transmission Pan Gasket | 2001 - 2019, Transfer Case Pump Upgrade and Repair Kit - Seal Driver and Pump, Duramax 261XHD 263XHD | 2001 - 2007, Allison Transmission Deep Pan Filter Combo Kit | 2001 - 2019, Allison 1000 Deep Pan Kit 3 Gal Transynd and Filter Lock, Duramax | 2001 - 2019, Pass Through Connector Seal, Duramax Allison 1000 | 2001 - 2019. Need help on how to unplug this wire connecting to this Electrical problem with John Deere 240 Skidsteer. $20,000 is around my budget price so far l around here for that I'm finding Duramax truck 06-07.5 usually have 160k-190k miles then 08-10 usually over budget with 190k-300k I've just been watching trying to see where things go for now. of Seats 4 Drivetrain 4 x 4 Transmission Automatic Kilometers 900,000 Includes Sunroof Alloy wheels 2011 - 2016 Duramax LML. LMM Forums. Do some reading in the lb7 section at dieselplace.com tons of info there. Come join the discussion about Silverados, Sierras, and other full size trucks performance, modifications, suspension, lift kits, tires, maintenance, and more! So what are you waiting for? The best Duramax diesel engine year models that are safe to buy include: 2010 - 2017 Duramax LGH. You may need a u-joint or some steering joints. Enter for the Drawing! well since mine has ran one for 116k and its not been an issue on it. Look for leaky tranny lines, blow by, look for a tuner that may be installed previously. Unsurprisingly, the DPF was not exactly a popular feature, and it was redesigned in 2011. Other than that, the fuel pressure and the reliable Bosch CP3 pump remained unchanged. The LMM Duramax refers to Chevrolet Silverado HD and GM Sierra HD trucks equipped with the 6.6L Duramax diesel engine between the years of 2007.5-2010. Look at the back corners of the bed under the taillights. A truck with a lot of miles that has had proper maintenance and has good paint, few door dings, no leaks, etc is a better deal than a newer or lower mile truck that has been ridden hard and put away wet. https://www.anthemwheels.com/?ambassador=TruckMasterBittterroot Diesel Injectors coupon code Truck Master 5% off https://bitterrootdiesel.comhttps://hspdiesel.comCoupon code: truckmaster Ryans Diesel Service https://ryansdieselservice.com 5%off turbos coupon code truckmaster Kodiak Truck North Prairie, WI https://kodiaktruck.com transmission, tcase and rearend coupon code truckmaster save 5% Instagram @truck_master07Channels to check out:Rustbelt Mechanic (bed lined paint job) https://www.youtube.com/channel/UCuJ5b8iBWgbfgZgG8lYeA0wBertrand850 Duramax on 40s https://www.youtube.com/user/BigStallion80Duramax_dieselhttps://www.youtube.com/channel/UCRqeNRsHCfLh8OoIA9Mv9DQJW Montoya https://www.youtube.com/channel/UCpEtA2y6ZwvuYVeH6Kvz7IQMods done to the Truck!EFI Live DSP5 SwitchHSP Air Intake Kit68mm Street Turbo Ryans Diesel Service 60% Injectors Bitterroot DieselHSP Diesel YBridge HSP Hot Side intercooler pipeFASS Titanium 150GPH Lift PumpFASS Fuel Sump Kit MBRP 3inch Turbo Down pipe PPE Race fuel valvePorted fuel fittingTransgo Jr Shift KitKodiak Truck Transfer CaseKodiak Truck AAM GOV Lock11.5 Rear endPVC ReroutePPE Stage 5 Built Transmission Zone off-road upper control arms PPE Stage 3 HD Tie Rods6\" Pro-comp suspension lift kit5100 Bilstien Shocks35/12.50/R22 DX12 Delinte22x14 Instigators A776 Anthem WheelsTrail Ready Front BumperMusic by: suncloudBoostautoparts https://boostautoparts.com/products/fob?utm_source=Truck%20Master\u0026utm_medium=03-07%20Mirrors\u0026utm_campaign=Sponsorship
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