GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1954111  Size: SH

    Important: Prior to assembling the oil pump, coat all wear or internal surfaces with clean engine oil.

    Important: Install the driven gear with the orientation mark facing the pump cover.

  1. Install the driven gear (2).
  2. Install the drive gear (1).

  3. Object Number: 1954110  Size: SH
  4. Install the oil pump cover (2).
  5. Notice: Refer to Fastener Notice in the Preface section.

  6. Install the oil pump cover to oil pump housing retaining bolts (3).
  7. Tighten
    Tighten the bolts to 12 N·m (106 lb in).


    Object Number: 1954112  Size: SH
  8. Install the pressure relief valve (3).
  9. Install the pressure relief valve spring (2).
  10. Install the pressure relief valve plug (1).
  11. Tighten
    Tighten the plug to 14 N·m (124 lb in).

  12. Inspect the oil pump components. Refer to Oil Pump Cleaning and Inspection .
  13. Inspect the oil pump for smooth operation by rotating the drive gear.