GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the valve rocker arm covers. Refer to Valve Rocker Arm Cover Replacement - Left Side or Valve Rocker Arm Cover Replacement - Right Side.

  2. Object Number: 54392  Size: SH

    Important: Keep the components separated in order to install the components in the same location.

  3. Remove the rocker arm bolts.
  4. Remove the rocker arms.
  5. Important: Keep the pushrods in order in order to install the pushrods in the original position.

  6. Remove the pushrods.

Installation Procedure


    Object Number: 54392  Size: SH
  1. Install the pushrods in the original location.
  2. • Coat the ends of the pushrods and the rocker arm bearing surfaces with GM P/N 12345501 or GM P/N 88862586 (Canadian P/N 992704 or Canadian P/N 88862586) or the equivalent.
    • The intake pushrods are identified with yellow stripes and are 5 3/4 inches long.
    • Exhaust pushrods are identified with green stripes and are 6 inches long.
    • Ensure that the pushrods seat in the lifter.
  3. Install the rocker arms.
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the rocker arm bolts.
  6. Tighten
    Tighten the rocker arm bolts to 19 N·m (14 lb ft).

  7. Install the valve rocker covers. Refer to Valve Rocker Arm Cover Replacement - Left Side or Valve Rocker Arm Cover Replacement - Right Side.