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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 885 (Engine Mechanical - 4.3L (LU3)) >> 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 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.

Important:  Do not reuse the valve cover gasket or the valve rocker arm cover bolt grommets.

  1. Install the NEW valve rocker arm cover gasket into the groove of the valve rocker arm cover.
  2. Install the NEW valve rocker arm cover bolt grommets into the valve rocker arm cover.
    Fig 1: Installing Valve Rocker Arm Cover Gasket
    G01977471Courtesy of GENERAL MOTORS CORP.
  3. Install the valve rocker arm cover onto the cylinder head.
    Fig 2: Installing Valve Rocker Arm Cover to Cylinder Head
    G01977472Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  4. Install the valve rocker arm cover bolts.

    Tighten 

    Tighten the valve rocker arm cover bolts to 12 N.m (106 lb in).

    Fig 3: Installing Valve Rocker Arm Cover Bolts
    G01977473Courtesy of GENERAL MOTORS CORP.
  5. Position the engine wiring harness.
  6. Connect the CKP sensor electrical connector (2).
  7. Install the engine wiring harness and the bolt (3) to the generator mounting bracket.

    Tighten 

    Tighten the engine wiring harness bolt to 25 N.m (18 lb ft).

    Fig 4: Identifying CKP Sensor Electrical Connector & Engine Wiring Harness Bolt
    G01977474Courtesy of GENERAL MOTORS CORP.
  8. Position the heater hoses.
  9. Install the heater hoses in the retainer above the valve rocker arm cover.
  10. Install the EVAP canister purge solenoid valve. Refer to EVAP CANISTER in Removal and Installation in Engine Performance.
  11. Connect the spark plug wires to the spark plugs for the right side of the engine. Refer to SPARK PLUGS in Service and Adjustment Specifications - 4.3L in Engine Performance.
    Fig 5: Exploded View of Heater Hose Retainer
    G01977475Courtesy of GENERAL MOTORS CORP.
  12. Install the PCV tube to the air cleaner outlet duct and the valve rocker arm cover.
    Fig 6: Installing PCV Tube to Air Cleaner Outlet Duct
    G01977476Courtesy of GENERAL MOTORS CORP.
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