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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 995 (Engine Mechanical - 8.1L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Valve Rocker Arm Cover Replacement - Right >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install a NEW valve rocker arm cover gasket, if necessary.
  2. Install the valve rocker arm cover.
    3. Fig 1: View Of Valve Rocker Arm Cover (Right)
    GM843851Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Tighten the valve rocker arm cover bolts in sequence using two passes as shown.

    Tighten: 

    1. Tighten the bolts a first pass to 6 N.m (53 lb in).
    2. Tighten the bolts a final pass to 12 N.m (106 lb in).

    4. Fig 2: Valve Rocker Arm Cover Bolt Tightening Sequence
    GM843854Courtesy of GENERAL MOTORS CORP.
  4. Install the spark plug wires to the ignition coils.
    5. Fig 3: View Of Spark Plug Wires (Right)
    GM470704Courtesy of GENERAL MOTORS CORP.
  5. Connect the ECT sensor electrical connector (3).
  6. Connect the ignition coil harness electrical connector (2).
  7. Install the CPA retainer to the ignition coil electrical connector (2).
    8. Fig 4: View Of Ignition Coil, ECT And MAP Sensor Electrical Connectors
    GM750529Courtesy of GENERAL MOTORS CORP.
  8. Install the air cleaner outlet duct.
    9. Fig 5: View Of Air Cleaner Outlet Duct
    GM700979Courtesy of GENERAL MOTORS CORP.
  9. Tighten the clamps at the throttle body and air cleaner.

    Tighten:  Tighten the clamps to 4 N.m (35 lb in).

  10. Install the engine sight shield. Refer to Engine Sight Shield Replacement .
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