GM Service Manual Online
For 1990-2009 cars only

    Object Number: 20171  Size: SH
  1. Install the oil pump shaft (19) into the control valve body assembly (18).
  2. Important: If necessary, rotate the oil pump shaft while installing the oil pump assembly in order to engage the shaft splines to the splines on the pump rotor.

  3. Install oil pump assembly (10) onto the oil pump shaft (19) and control valve body (20).

  4. Object Number: 552421  Size: SH

    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.

  5. Install the eight oil pump bolts (8, 9, 12). Hand start the bolts.
  6. Tighten
    Tighten the bolts to 12 N·m (9 lb ft).


    Object Number: 1205806  Size: SH
  1. Install the oil pump shaft (19) into the oil pump assembly (10).
  2. Install the oil pump assembly (10) and the oil pump shaft (19) onto the control valve body.

  3. Object Number: 1205827  Size: SH

    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.

  4. Install the eight oil pump bolts (8, 9, 12). Hand start the bolts.
  5. Tighten
    Tighten the bolts to 12 N·m (9 lb ft).