GM Service Manual Online
For 1990-2009 cars only

    Object Number: 33654  Size: SH
  1. Remove the balance shaft chain cover.
  2. Remove the balance shaft chain guide.

  3. Object Number: 33657  Size: SH
  4. Pull the housing to disconnect the pump gear from the balance shaft.
  5. Remove the housing assembly from the balance shaft assembly.

  6. Object Number: 33655  Size: SH
  7. Remove the oil pump bolts.
  8. Remove the oil pump cover.