Answer
Aug 31, 2025 - 10:51 AM
Yep! This service manual for the 2002 Sierra 2500 HD lineup includes the complete, factory-level coverage for the 6.6L LB7 Duramax engine.
It's packed with the step-by-step procedures for everything from the fuel system and turbochargers to a full engine rebuild. You'll also find all the diagnostic workflows and the comprehensive wiring schematics for the engine management system.
For any job on that LB7, this manual has the OEM-authenticated information you need to do it right.
