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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 418 (Engine Mechanical - 4.2L 6-Cylinder (On-Vehicle)) >> Repair Instructions >> Camshaft Cover Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install a new camshaft cover seal.
  2. Install new rubber ignition control module seals.
  3. Install the camshaft cover and secure with the cam cover bolts.
    NOTE: 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.

    Tighten 

    Tighten the camshaft cover bolts to 10 N.m (89 lb in).

    4. Fig 1: Installing Camshaft Cover
    G01706252Courtesy of GENERAL MOTORS CORP.
  4. Install the ignition control modules and secure the modules with bolts.

    Tighten 

    Tighten the ignition coil bolts to 10 N.m (89 lb in).

    5. Fig 2: Installing Ignition Control Modules
    G01706253Courtesy of GENERAL MOTORS CORP.
  5. Connect the ignition control module electrical connectors.
  6. Install the fuel injector electrical connectors.
  7. Install the engine electrical harness housing (1).
    8. Fig 3: Installing Engine Electrical Harness Housing
    G01706254Courtesy of GENERAL MOTORS CORP.
  8. Install the A/C line bracket to the oil level indicator tube stud and secure the bracket with the nut.

    Tighten 

    Tighten the A/C line bracket nut to 7 N.m (62 lb in).

  9. Install the engine lift bracket and secure the lift hook with the bolts.

    Tighten 

    Tighten the lift bracket bolts to 50 N.m (37 lb ft).

    10. Fig 4: Installing Engine Lift Bracket
    G01706255Courtesy of GENERAL MOTORS CORP.
  10. Install the A/C line bracket to the engine lift bracket and secure the A/C bracket with the bolt.

    Tighten 

    Tighten the A/C bracket bolt to 10 N.m (89 lb in).

    11. Fig 5: Installing A/C Line Bracket To Engine Lift Bracket
    G01706256Courtesy of GENERAL MOTORS CORP.
  11. Install the intake manifold. Refer to Intake Manifold Replacement .
  12. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging in Heating, Ventilation and Air Conditioning.
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