GM Service Manual Online
For 1990-2009 cars only

    Object Number: 330578  Size: SH
  1. Inspect for properly installed oil pump locator pins.

  2. Object Number: 330576  Size: SH

    Note: Do not reuse the oil pump driveshaft retainer.

    During assembly, install a NEW oil pump driveshaft retainer.

  3. Install the oil pump.
  4. Position the oil pump onto the pins.
  5. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 330572  Size: SH
  6. Install the oil pump bolt attaching the oil pump to the rear crankshaft bearing cap. Tighten the oil pump bolt to 90 N·m (66 lb ft).