GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement .
  2. Important: Place the components in a rack in order of disassembly so they can be reinstalled at the same location and with the same mating surface as when removed.


    Object Number: 182901  Size: SH
  3. Remove the rocker arm bolt.
  4. Remove the rocker arm.

  5. Object Number: 182896  Size: SH
  6. Remove the pushrod.

Installation Procedure

    Important: Whenever new rocker arms and/or rocker arm balls are being installed, coat the bearing surfaces of the rocker arms and the rocker arm balls with camshaft assembly lube GM P/N 1052365 or equivalent.


    Object Number: 182896  Size: SH
  1. Install the pushrods, making sure that they seat in the lifters.

  2. Object Number: 182901  Size: SH
  3. Install the rocker arms.
  4. Apply Dri-Slide Moly lubricant GM P/N 1052948 (Canadian P/N 992926) or equivalent to the threads of the bolts.
  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 bolts.
  7. Tighten
    Tighten the nuts to 30 N·m (22 lb ft).

  8. Install the valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement .