How many miles will a LMM Duramax last?

If you want to know how long a Duramax engine will run, you should expect it to last as much as 300,000 miles before needing any major repairs. But, of course, this number can vary depending on how well the engine was maintained and driven throughout its life. via

What are the issues with a LMM Duramax?

What are the problems that the LMM Duramax has? In short, the most common problems with LMM Duramax are low fuel pressure, crankshaft and piston failure, Allison 100 transmission issues, leaking transmission lines as well as PDF system, and active regeneration. via

How much HP does a LMM Duramax have?

365 horsepower

Manufactured Years: 2007.5-2010
Horsepower: 365 horsepower
Torque: 660 lb/ft of torque


What year Duramax gets the best fuel mileage?

#1 – Chevrolet Silverado 2500HD

Year Average Miles Per Gallon
2014 14.3 MPG
2016 14.3 MPG
2018 13.8 MPG
2020 13.1 MPG


How can I get better gas mileage out of my 6.6 Duramax?

Buy a lighter load if possible, haul or tow less (or at least cut down if possible) Check your Duramax engine for any problems that can be the cause of high fuel consumption. Update your Duramax diesel with newer parts to improve its fuel efficiency. via

Is a 2008 Duramax a good truck?

The dependability and power of the Duramax diesel is unmatched... and the Allison transmission makes it all the better. This truck served me faithfully for years, offers plenty of interior comforts and tows extremely well. Rating breakdown (out of 5): Comfort 5.0. via

How long can a Duramax idle?

Any LB7 truck can be ran at idle with no problem. GM says the lly and up trucks with an egr cooler and valve can only be idled for 10 minutes MAX is what gm technical assistance tells us. via

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