GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Important: Make note of the routing in order to aid in reassembly.

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the right rear tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .

  3. Object Number: 1257378  Size: SH
  4. Release the pushpin retainers from the right rear wheelhouse liner and remove the liner.

  5. Object Number: 1340750  Size: SH
  6. Release the vent hose clips (2) from the fuel vent pipe (1).

  7. Object Number: 1340746  Size: SH
  8. Release the retaining clip (2) securing the vent hose along the top of the rear suspension crossmember.
  9. Remove the vent hose (1) from the differential assembly by carefully twisting the hose off of the barbed fitting.

Installation Procedure


    Object Number: 1340746  Size: SH
  1. Install the vent hose (1) to the differential assembly by pushing the vent hose over the barbed fitting. Ensure the vent hose is fully seated on the fitting.
  2. Secure the vent hose retaining clip (2) along the top of the rear suspension crossmember.

  3. Object Number: 1340750  Size: SH
  4. Secure the vent hose clips (2) to the fuel vent pipe (3).

  5. Object Number: 1257378  Size: SH
  6. Position the wheelhouse liner to the vehicle and install the pushpin retainers.
  7. Install the wheel and tire assembly. Refer to Tire and Wheel Removal and Installation .
  8. Lower the vehicle.