Diesel engines are known to be reliable and long-lasting, but they can also present unique maintenance issues that you must ...

Internal combustion engine blowby, whether gasoline or diesel, occurs when part of the compressed mixture of air and fuel leaks past the piston rings during the compression or power strokes of a ...

I’ve never been a fan of the Detroit Diesel 6.2L engine that was so popular in GM trucks from the 1980s, probably because the GMC C1500 that my dad had as a shop truck was about the slowest vehicle ...

Some diesel enthusiasts still think of General Motors’ Duramax engine as the new kid on the block. Although, the truth is, its core architecture has now been in production longer than any of the Ford ...

Last month we honed the cylinder bores on our International 7.3L IDI diesel engine. This process took the glaze off the walls and left a good surface for our new piston rings to contact. This time we ...

Quality issues related to the 3.0L I6 LZ0 turbodiesel Duramax are drawing more and more attention online, and in response, GM has issued a new Service Bulletin.