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Home >> GMC >> 2005 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 223 (Engine Mechanical - 3.6L (Ly7) (4 Of 6)) >> Off-Vehicle Repair Instructions - Part 2 >> Valve and Seat Grinding >> Valve Cleaning Procedure

Valve Cleaning Procedure

WARNING: This page is about a different car, the 2005 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Use soft bristle wire brush to clean any carbon build-up from the valve head. DO NOT use a wire brush on any part of the valve stem. The valve stem is chrome plated to provide enhanced wear characteristics. Wire brushing the stem could remove the chrome plating.
  2. Thoroughly clean the valve with solvent and wipe dry.
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