GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1503824  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Lower and support the rear of the exhaust system.
  3. Install a drain pan under the vehicle.
  4. Disconnect the differential cooler pump outlet pipe from the differential cooler. Refer to Differential Cooler Hose/Pipe Quick Connect Fitting.
  5. Disconnect the differential cooler pump outlet pipe from the differential cooler pump. Refer to Differential Cooler Hose/Pipe Quick Connect Fitting.
  6. Remove the differential cooler outlet pipe from the vehicle.

Installation Procedure


    Object Number: 1503824  Size: SH
  1. Install the differential cooler outlet pipe to the vehicle.
  2. Connect the differential cooler pump outlet pipe to the differential cooler pump. Refer to Differential Cooler Hose/Pipe Quick Connect Fitting.
  3. Connect the differential cooler pump outlet pipe to the differential cooler. Refer to Differential Cooler Hose/Pipe Quick Connect Fitting.
  4. Fill the differential fluid. Refer to Rear Axle Lubricant Level Inspection.
  5. Remove the drain pan from under the vehicle.
  6. Raise and secure the rear of the exhaust system.
  7. Lower the vehicle. Refer to Lifting and Jacking the Vehicle.