GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Drain the engine coolant from the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.

  2. Object Number: 190592  Size: SH
  3. Remove the oil cooler pipe bracket bolt from the oil cooler pipe bracket at the right engine mount strut bracket.

  4. Object Number: 190504  Size: SH
  5. Disconnect the upper oil cooler outlet hose from the thermostat bypass pipe.
  6. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  7. Disconnect the lower oil cooler outlet hose from the oil cooler.
  8. Remove the oil cooler outlet hoses and pipe.
  9. Remove the upper and/or lower oil cooler outlet hose(s) from the oil cooler pipe.

Installation Procedure

  1. Install the upper and/or lower oil cooler outlet hose(s) to the oil cooler pipe.

  2. Object Number: 190504  Size: SH
  3. Install the oil cooler outlet hoses and pipe.
  4. Connect the lower oil cooler outlet hose to the oil cooler.
  5. Lower the vehicle.
  6. Connect the upper oil cooler outlet hose to the thermostat bypass pipe.

  7. Object Number: 190592  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.

  8. Install the oil cooler pipe bracket bolt through the oil cooler pipe bracket into the right engine mount strut bracket.
  9. Tighten
    Tighten the oil cooler pipe bracket bolt to 10 N·m (89 lb in).

  10. Fill the cooling system with engine coolant. Refer to Cooling System Draining and Filling in Engine Cooling.
  11. Add engine oil as necessary. Refer to Engine Oil and Oil Filter Replacement .
  12. Inspect the oil cooler for leaks.