GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1557686  Size: SH
  1. Remove the lower intake manifold. Refer to Lower Intake Manifold Replacement .
  2. Remove the valve rocker arms and pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
  3. Remove the valve lifter guide bolts.
  4. Remove the valve lifter guides.
  5. Remove the valve lifters.

Installation Procedure


    Object Number: 54701  Size: SH
  1. Coat the valve lifters with prelube. Refer to Adhesives, Fluids, Lubricants, and Sealers .
  2. Install the valve lifters.
  3. Apply threadlock to the valve lifter guide bolt threads. Refer to Adhesives, Fluids, Lubricants, and Sealers .
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the valve lifter guides and bolts.
  6. Tighten
    Tighten the bolts to 10 N·m (89 lb in).

  7. Install the valve rocker arms and pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
  8. Install the lower intake manifold. Refer to Lower Intake Manifold Replacement .