GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 660517  Size: SH
  1. Remove the cylinder head. Refer to Cylinder Head Replacement - Left Side and/or Cylinder Head Replacement - Right Side .
  2. Loosen the valve lifter guide hold down bracket bolts.
  3. Remove the valve lifter guide hold down brackets.
  4. Remove the valve lifter guides.
  5. Remove the valve lifters.

Installation Procedure


    Object Number: 660517  Size: SH
  1. Apply clean engine oil to the lifters.
  2. Install the valve lifter.
  3. Install the valve lifter guides.
  4. Install the valve lifter guide hold down brackets.
  5. Notice: Refer to Fastener Notice in the Preface section.

  6. Install the valve lifter guide hold down bracket bolt.
  7. Tighten
    Tighten the bolt to 11 N·m (97 lb in).

  8. Install the cylinder head. Refer to Cylinder Head Replacement - Left Side and/or Cylinder Head Replacement - Right Side .