How many versions of the Duramax diesel engine are there?
All told, there are six different iterations of the Duramax diesel engine: LB7, LLY, LBZ, LMM, LML, and L5P spanning from 2001 to the present day. Each version of the engine has its own issues and quirks, and some are less problematic than others.
What kind of engine does a 2012 GMC Sierra have?
Note: This performance review was created when the 2012 GMC Sierra HD was new. The GMC Sierra 2500HD and 3500HD come standard with a 6.0-liter gas-powered V8 that reviewers like.
Why does my GMC Duramax have reduced engine power?
It keeps getting a “reduced engine power” message on the dash, then it doesn’t have any power, its like putting a brick under the gas pedal. I have went to the dealer and they cleared the code so they could try to duplicate the code, which it never came back for them.
What’s the towing capacity of a 2012 GMC Sierra?
“Put wheel-to-wheel against its rivals, the 2012 GMC Sierra 2500HD (and Chevy Silverado twin) can’t quite match the Ford F-250 Super Duty in terms of all-out hauling …more and towing capacities, nor match the Ram 2500 in terms of upscale cabin ambience (in lower trim levels, anyway).
What kind of engine does GMC Sierra 2500HD have?
Recent Arrival! 2002 GMC Sierra 2500HD SLE AT-HOME DELIVERY AVAILABLE, ONLINE PRE-APPROVAL, SIGHT UNSEEN APPRAISALS, Passed Dealer Safety Inspection, Duramax 6.6L V8 Turbodiesel, 5-Speed Automatic with Overdrive, 4WD.
How many pounds can a 2012 GMC Sierra haul?
The base Sierra 2500 HD can tow up to 10,200 pounds and haul up to 4,212 pounds. To see the amount that a particular model can tow or haul, see the 2012 GMC Sierra HD specs.
All told, there are six different iterations of the Duramax diesel engine: LB7, LLY, LBZ, LMM, LML, and L5P spanning from 2001 to the present day. Each version of the engine has its own issues and quirks, and some are less problematic than others.
Is the GMC Duramax compatible with diesel fuel?
The Detroit News reports that GM is now facing a class-action suit alleging its 6.6-liter Duramax engine found in 2011-2016 Chevrolet and GMC models is not compatible with US diesel fuel.
What was the first year of the Duramax?
The first Duramax, which was offered in the 2001 to 2004 GMC Sierra HD and Chevrolet Silverado HD was the LB7. This 6.6-liter V8 started with a cast-iron block with aluminum heads that featured four-valves per cylinder.
When did the Duramax LBZ diesel engine come out?
Launched in 2006, the LBZ was a virtual reimagination of the Duramax platform. Featuring beefy connecting rods, newer pistons and rings, a direct-port fuel injection with improved fuel pressure, and improved emission-based controls, the LBZ became more powerful, durable, and continued to improve fuel economy.
When did the GMC Sierra Duramax LML come out?
The LML Duramax was available in Chevrolet Silverado HD and GMC Sierra HD models in 2011 and through 2017, when it was replaced by the much-anticipated L5P. The LML focused on emissions quality]
What kind of gas mileage does a GMC Duramax get?
The Duramax earned a fuel economy of 17 miles per gallon in the city and 21 mpg during highway driving. When towing, the 2500HD fuel rating could drop to as low as 9 mpg in the city and 13 mpg on the highway. The external dimensions of the 2500HD line vary by cabin, trim level and bed length.
Where was the 2007 GMC Sierra 2500HD purchased?
Purchased on 04/11/07 and owned in NM until 05/05/21. Driven an estimated 3,957 miles/year.
What’s the weight of a GMC Sierra Duramax?
with a maximum payload of 3,301 lbs. to 3,892 lbs. The Duramax earned a fuel economy of 17 miles per gallon in the city and 21 mpg during highway driving.
How many valves does a Duramax engine have?
This engine uses an overhead-valve direct injection with four valves per cylinder, for 32 valves total. The engine’s bore measures 4.05 inches with a stroke of 3.89 inches. A 6.6-liter Duramax has a compression ratio of 16.8 to 1.
What makes a Duramax LB7 diesel so special?
The introduction of common rail injection powered by the Bosch CP3 injection pump made the LB7 Duramax stand apart from other diesels of the day with excellent power and efficiency.
Is the Duramax engine in the GMC Yukon?
Officially, this engine is also found in the 2020 GMC Sierra 1500, 2021 GMC Yukon and 2021 Chevy Suburban. Although, it is absent in both the off-road versions of GM’s full-size SUVs (more on that in another story).
Are there any problems with the LLY Duramax?
In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring.
Are there any problems with the Duramax diesel engine?
Overheating issues with the Duramax diesel seems to be a hit-or-miss problem; some owners experience it, while others never will. Regardless, it’s more common with the Duramax than other engines.
How much weight does a Sierra Duramax diesel pull?
Mated to a 10-speed automatic transmission, the 3.0L Duramax Turbo-Diesel has been rated to pull 9,100 lbs† .
When did I Buy my 2006 Duramax Diesel?
It was a lease return when I bought it in June 2007 with high mileage for its age, but did not appear to have been abused. Are there any known serious problems with the 2006 Duramax, or things that I should watch for?
What kind of engine does a GMC Duramax have?
This quiet driving experience is owing in part to its inline-six architecture, which makes this engine the first-ever I-6 turbo-diesel for GMC’s full-size light-duty truck. “The inline six is a naturally balanced engine,” Barta said.