GM Service Manual Online
For 1990-2009 cars only

Oil Pump Removal 2 Piece Pump


    Object Number: 840842  Size: SH
  1. Remove the eleven indicated oil pump bolts (206, 207).
  2. Do not remove the one oil pump cover bolt (205) at this time.
  3. Remove the one wiring harness clip (390).

  4. Object Number: 840844  Size: SH
  5. Lift the oil pump assembly (200) off of the control valve body (300).
  6. Set the oil pump assembly (200) on its cover.

Oil Pump Removal 3 Piece Pump


    Object Number: 893320  Size: SH
  1. Remove the eleven indicated oil pump bolts (230, 231).
  2. Remove the one wiring harness clip (390).

  3. Object Number: 893321  Size: SH
  4. Lift the oil pump assembly (200) off of the control valve body (300).
  5. Set the oil pump assembly (200) on its cover.