LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 885 (Engine Mechanical - 4.3L (LU3)) >> 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 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. 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
      Fig 1: Inspecting Valve Rocker Arm Cover
      G01977909Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals