GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 869731  Size: SH
  1. Remove the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .
  2. Remove the rocker arm cover bolts.
  3. Remove and discard the rocker arm cover bolt grommets, if necessary.
  4. Remove the rocker arm cover.

  5. Object Number: 328573  Size: SH
  6. Remove and discard the rocker arm cover gasket.
  7. Clean and inspect the rocker arm cover, if necessary. Refer to Valve Rocker Arm Cover Cleaning and Inspection .

Installation Procedure

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


    Object Number: 328573  Size: SH
  1. Install a NEW rocker arm cover gasket.
  2. Install NEW rocker arm cover bolt grommets, if necessary.

  3. Object Number: 869731  Size: SH
  4. Install the rocker arm cover.
  5. 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.

  6. Install the rocker arm cover bolts.
  7. Tighten
    Tighten the bolts to 12 N·m (106 lb in).

  8. Install the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .