GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

J 3049-A Valve Lifter Remover


    Object Number: 551476  Size: SH
  1. Remove the cylinder head. Refer to Cylinder Head Replacement or Cylinder Head Replacement .
  2. Remove the valve lifter guide bolt.
  3. Remove the valve lifter guide.
  4. Important: Some valve lifters may be stuck in their bores because of gum or varnish deposits.


    Object Number: 31350  Size: SH
  5. Use the J 3049-A or equivalent to remove the valve lifters, if required.

  6. Object Number: 63233  Size: SH
  7. Remove the valve lifters from the lifter guide, if necessary.
  8. Organize or mark the lifters so that they can be installed in the same location from which they were removed.

Installation Procedure

Important: When reusing lifters, install the lifters in their original locations.


    Object Number: 63233  Size: SH
  1. Lubricate the valve lifters and engine block lifter bores with clean engine oil.
  2. Insert the lifter into the lifter guides.
  3. Align the flat area on top of the lifter with the flat area in the lifter guide bore. Push the lifter completely into the guide bore.


    Object Number: 551476  Size: SH
  4. Install the lifters and guide to the engine block.
  5. Install the lifter guide bolt.
  6. Tighten
    Tighten the lifter guide bolt to 12 N·m (106 lb in).

  7. Install the cylinder head. Refer to Cylinder Head Replacement or Cylinder Head Replacement .