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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1018 (Engine Mechanical - 4.3L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Valve Rocker Arm Cover Cleaning and Inspection

Valve Rocker Arm Cover Cleaning and Inspection

WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    CAUTION: Refer to Safety Glasses Caution in Cautions and Notices.
  1. Clean the valve rocker arm cover in cleaning solvent.
  2. Dry the valve rocker arm cover with compressed air.
  3. Inspect the valve rocker arm cover for the following:
    • Damage to the PCV valve grommet (1)
    • Damage to the bolt holes (2)

      A damaged valve rocker arm cover may interfere with the valve rocker arms.

    • Damage to the exterior of the valve rocker arm cover (3)
    • Gouges or damage to the sealing surface (4)
    • Damage to the oil fill tube grommet (5)
    • Restrictions to the ventilation system passages
    4. Fig 1: Valve Rocker Arm Cover Cleaning & Inspection Areas
    GM334508Courtesy of GENERAL MOTORS CORP.
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