GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1579118  Size: SH
  1. Align the oil pump generator with the crankshaft flats and install the oil pump to the engine block.
  2. Align the pump body with the mounting holes in the cylinder block.
  3. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the oil pump bolts.
  5. Tighten
    Tighten the oil pump bolts to 23 N·m (17 lb ft).