GM Service Manual Online
For 1990-2009 cars only

    Object Number: 645872  Size: SH
  1. Remove the intake manifold oil splash shield.

  2. Object Number: 645876  Size: SH
  3. Remove the valve lifter guide bolts.
  4. Remove the valve lifter guides.
  5. Important: Once removed, place the valve lifters in an organized order so the valve lifters can be installed into the original locations.

  6. Remove the valve lifters.