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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Mechanical - 4.3L (LV1)) >> Repair Instructions >> Valve Rocker Arm Cover Cleaning and Inspection

Valve Rocker Arm Cover Cleaning and Inspection

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  1. GM2902818Courtesy of GENERAL MOTORS COMPANY
    IMPORTANT:
    • Do not use the valve rocker arm cover gasket again. Install a NEW gasket during assembly.
    • Remove the ignition bolts (1) and coils (2) before cleaning the cover in solvent. Do not submerge the ignition coils in solvent.

    Inspect the covers (3) for the following conditions:

    • Scoring or damage to the gasket surfaces
    • Ventilation system passages for restrictions
    • Threaded bolt holes for damage or debris