GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the negative battery cable. Refer to

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

    in General Information.
  2. Remove the air cleaner outlet duct.
  3. Remove the following cables at the accelerator control bracket:
  4. • The accelerator control
    • The cruise control
    • The TV

    Object Number: 1953  Size: SH
  5. Remove the accelerator control cable bracket.

  6. Object Number: 32480  Size: SH
  7. Disconnect the PCV hose.

  8. Object Number: 1146  Size: SH
  9. Remove the valve rocker arm cover bolts.
  10. Remove the valve rocker arm cover and the gasket.
  11. Clean the sealing surface on the cylinder head and the valve rocker arm cover.

Installation Procedure


    Object Number: 1155  Size: SH
  1. Install the valve rocker arm cover gasket.

  2. Object Number: 1146  Size: SH
  3. Install the valve rocker arm cover.
  4. Install the valve rocker arm cover bolts.
  5. Tighten
    Tighten the bolts to 10 N·m (89 lb in).

    Notice: 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.


    Object Number: 32480  Size: SH
  6. Connect the PCV hose.

  7. Object Number: 1953  Size: SH
  8. Install the accelerator control cable bracket.
  9. Install the accelerator control cable bracket bolts.
  10. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).

  11. Install the following cables at the accelerator control bracket:
  12. • The accelerator control
    • The cruise control
    • The TV
  13. Install the air cleaner outlet duct.
  14. Connect the negative battery cable.