Tips From The Garage

When it comes to GM’s heavy-duty light trucks over the last 20 years, two things have remained constant, the 6.6L Duramax and the Allison transmission. While they have been refined over the years, the … read more

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 matt … read more

If you’ve ever pulled your boat up a slippery ramp, run your truck through heavy snow or ice, or trucked right through deep mud on your rural property; then you have your truck’s transfer case to than … read more

For truck lovers and automotive enthusiasts alike, the L5P Duramax was a big, big deal.When this diesel engine was poised to debut in a completely redesigned GM Heavy Duty line of pickups, the rumor w … read more

Of all the components that silently toil away in the Duramax engine bay, one of the things that gets most overlooked by drivers is the humble motor mount. Yes, this simple part may not seem that impor … read more