GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 630655  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the vent hose clamp (2) from the vent hose (1).
  3. Release the grommet securing the vent hose to the vehicle underbody.
  4. Remove the vent hose from the differential assembly vent tube by carefully twisting the hose.

Installation Procedure


    Object Number: 630655  Size: SH
  1. Install the vent hose (1) to the differential assembly.
  2. Install the vent hose clamp (2) to the vent hose.
  3. Secure the grommet on the vent hose to the vehicle underbody.
  4. Lower the vehicle.