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.

Outlines how to remove, dissassemble, recondition, rebuild and replace a small-block engine?all in step-by-step clarity. Covers models: 262, 265, 283, 302, 305, 307, 327, 350 and 400 cid engines.