Duramax LLY Head Gasket Fix

Tips and Tricks for a Coolant-Losing GM V-8 When GM introduced the Duramax diesel in 2001, it was truly a state of the art engine. Since its introduction, the Duramax has gone through LBZ, LLY, LBZ, LMM, and LML designations, with a number of revisions along the way. While all iterations are fairly reliable, the … Continue reading Duramax LLY Head Gasket Fix