GM Service Manual Online
For 1990-2009 cars only

Valve Lifter Replacement Front

Removal Procedure

  1. Remove the left (front) valve rocker arm(s). Refer to Valve Rocker Arm Replacement .

  2. Object Number: 241679  Size: SH
  3. Remove the stationary hydraulic lash adjuster (SHLA) from the cylinder head bore.
  4. Clean and inspect the components. Refer to Valve Train Components Clean and Inspect .
  5. Store the lifter(s) in a clean, secure location.

Installation Procedure


    Object Number: 240801  Size: SH
  1. Fill the stationary hydraulic lash adjuster (SHLA) with clean engine oil and lubricate the all outer surfaces. Take precautions to prevent scratching the head area (1) of the adjuster.
  2. Lubricate the lash adjuster bore in the cylinder head with clean engine oil.

  3. Object Number: 241679  Size: SH
  4. Install the lash adjuster in the cylinder head.
  5. Install the left (front) valve rocker arm(s). Refer to Valve Rocker Arm Replacement .

Valve Lifter Replacement Rear

Removal Procedure

  1. Remove the right (rear) valve rocker arm(s). Refer to Valve Rocker Arm Replacement .

  2. Object Number: 576526  Size: SH
  3. Remove the stationary hydraulic lash adjuster (SHLA) from the cylinder head bore.
  4. Clean and inspect the components. Refer to Valve Train Components Clean and Inspect .
  5. Store the lifter(s) in a clean, secure location.

Installation Procedure


    Object Number: 240801  Size: SH
  1. Fill the stationary hydraulic lash adjuster (SHLA) with clean engine oil and lubricate the all outer surfaces. Take precautions to prevent scratching the head area (1) of the adjuster.
  2. Lubricate the lash adjuster bore in the cylinder head with clean engine oil.

  3. Object Number: 576526  Size: SH
  4. Install the lash adjuster in the cylinder head.
  5. Install the right (rear) valve rocker arm(s). Refer to Valve Rocker Arm Replacement .