GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 153600  Size: SH
  1. Remove the engine front cover. Refer to Engine Front Cover Replacement .
  2. Remove the oil pump cover attaching screws.
  3. Remove the oil pump cover.
  4. Remove the oil pump gear set.
  5. Inspect the oil pump gear set and housing. Refer to Oil Pump Cleaning and Inspection .

Installation Procedure


    Object Number: 153600  Size: SH
  1. Lubricate the oil pump gear set with petroleum jelly.
  2. Install the oil pump gear set.
  3. Pack the oil pump cavity with petroleum jelly.
  4. Install the oil pump cover.
  5. 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 oil pump cover screws.
  7. Tighten
    Tighten the oil pump cover screws to 11 N·m (98 lb in).

  8. Install the engine front cover. Refer to Engine Front Cover Replacement .