GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Drain the cooling system. Refer to SECTION 6B.
  2. Raise the vehicle. Suitably support the vehicle. Refer to SECTION 0A.

  3. Object Number: 57221  Size: SH
  4. Place a drain pan under the engine in order to catch the fluids that may drain.
  5. Remove the oil filter.
  6. Remove the oil pressure and crankshaft position sensor electrical connections.
  7. Remove the outlet hose. Position it aside.
  8. Remove the inlet hose. Position it aside.
  9. Remove the connector.

  10. Object Number: 57221  Size: SH
  11. Remove the oil cooler.

  12. Object Number: 57220  Size: SH
  13. Remove the oil pressure sensor.
  14. Clean the engine block mating surface.

Installation Procedure

Tools Required

J 38543 Heater Hose Clamp Tool


    Object Number: 57220  Size: SH
  1. Install the oil pressure sensor.

  2. Object Number: 57221  Size: SH
  3. Install the oil cooler. Coat the seal with engine oil.
  4. Install the connector.
  5. Tighten
    Tighten the connector to 40 N·m (30 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.

  6. Install the inlet hose. Use the J 38543 .
  7. Install the outlet hose. Use the J 38543 .
  8. Connect the oil pressure sensor electrical connection.
  9. Connect the crank shaft position sensor electrical connection.
  10. Install the oil filter. Lubricate the oil filter seal with engine oil.
  11. Tighten
    Hand tighten the oil filter to 19 N·m (14 lb ft).

  12. Lower the vehicle.
  13. Refill the cooling system. Refer to SECTION 6B.
  14. Add engine oil as necessary.
  15. Inspect for leaks.