GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the oil pan. Refer to Oil Pan Replacement .
  2. Remove the oil pump bolt.
  3. Remove the oil pump.
  4. Inspect the oil pump screen and pipe assembly for looseness. If the tube is loose in the oil pump body, replace it. A loose screen or pipe assembly can result in an air leak and loss of oil pressure.

Installation Procedure

  1. Install the oil pump to the engine. Align the slot in the oil pump shaft with the tang on the distributor shaft. The oil pump should slide easily into place. No gasket is used.
  2. Install the oil pump bolt.
  3. Tighten
    Tighten the bolt to 90 N·m (65 lb ft).

    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 oil pan. Refer to Oil Pan Replacement .