GM Service Manual Online
For 1990-2009 cars only

    Object Number: 180863  Size: SH
  1. Inspect for properly installed oil pump locating pins.

  2. Object Number: 173183  Size: SH

    Important: During assembly, install a NEW oil pump driveshaft retainer. Slightly heat retainer above room temperature for ease of installation onto the oil pump driveshaft.

  3. Assemble the oil pump, driveshaft, and a NEW retainer.
  4. Install the oil pump assembly.
  5. Position the oil pump onto the locating pins.

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  6. Install the bolt attaching the oil pump to the rear crankshaft bearing cap.
  7. Tighten
    Tighten the oil pump bolt to 88 N·m (65 lb ft).