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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Engine Mechanical - 4.3L) >> 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 Savana and 2003 Chevrolet Chevy Express. 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 & Bolt Grommets
    G02077748Courtesy of GENERAL MOTORS CORP.
  3. Install the valve rocker arm cover onto the cylinder head.
    Fig 2: Installing Valve Rocker Arm Cover
    G02077749Courtesy of GENERAL MOTORS CORP.
    CAUTION: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  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
    G02077750Courtesy of GENERAL MOTORS CORP.
  5. Install the oil fill tube in the right valve rocker arm cover.
  6. Install the oil fill tube and bolt to the oil fill tube lower support.

    Tighten 

    Tighten the oil fill tube to lower support bolt to 5 N.m (44 lb in).

    Fig 4: Installing Oil Fill Tube
    G02077751Courtesy of GENERAL MOTORS CORP.
  7. Install the PCV hose in the valve rocker arm cover and to the air inlet duct.
  8. Connect the spark plug wires to the distributor cap.
  9. Position the engine wiring harness.
  10. Install the engine cover. Refer to Engine Cover Replacement in Interior Trim .
  11. Install the air cleaner assembly.
  12. Reposition the coolant reservoir and install the bolt.

    Tighten 

    Tighten the bolt to 11 N.m (97 lb in).

    Fig 5: Installing PCV Hose
    G02077752Courtesy of GENERAL MOTORS CORP.