GM Service Manual Online
For 1990-2009 cars only

    Object Number: 10507  Size: SH
  1. Remove the 13 indicated oil pump bolts (204-207).

  2. Object Number: 10508  Size: SH
  3. Remove the wiring harness clip (226).
  4. Lift the oil pump assembly (300) off of the control valve body.
  5. Set the pump assembly upside down on its cover. The pump will be fully disassembled later.