6 Common LMM Duramax Problems (And How To Fix Them)
The LMM Duramax is a 6.6L diesel engine that runs on several GM and Chevrolet trucks. It’s one of their best engines that has outperformed Ford’s and Dodge’s engines of the same class. Still, it’s not perfect. In this guide, we’ll look into the most common LLM Duramax problems, from leaking transmission cooling lines to …