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 .

  2. Object Number: 54392  Size: SH
  3. Remove the valve rocker arm bolts.
  4. Remove the valve rocker arms.
  5. Important: Place the valve train parts in a rack in order to ensure that they are installed in the same location from which they were removed. Intake pushrods are yellow and measure 144.18 mm (5.68 in) long. Exhaust pushrods are green and measure 152.51 mm (6.0 in) long.

    Important: Use care when removing the pushrods. Ensure that they do not fall down into the lifter valley.

  6. Remove the pushrods.
  7. Clean and inspect the valve train components. Refer to Valve Rocker Arm and Push Rod Cleaning and Inspection .

Installation Procedure


    Object Number: 54392  Size: SH
  1. Install the pushrods and the valve rocker arms. Refer to Valve Rocker Arm and Push Rod Installation .
  2. Install the valve rocker arm covers. Refer to Valve Rocker Arm Cover Replacement .