Tag: Lly egr delete

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Replacing Valve Covers on Duramax LLY Diesel Engines - Step-by-Step Guide

Replacing Valve Covers on Duramax LLY Diesel Engines - Step-by-Step Guide

Guide to replacing leaky valve covers on 2004-2006 Chevy/GMC Duramax LLY diesel trucks. Steps include removing EGR, gaskets, filters, and torque specs.