GM Service Manual Online
For 1990-2009 cars only

Object Number: 1999573  Size: SF

Callout

Component Name

Preliminary Procedure

Remove the rear differential assembly from the vehicle. Refer to Differential Replacement.

1

Rear Differential Vent

Procedure

  1. Remove any dirt or debris from the vent area.
  2. Using an appropriate pair of pliers, remove the vent from the rear differential housing.

Tip

    • The rear differential does not have to be removed from the jack stand to perform this procedure.
    • When installing the vent, use a deep well socket that fits on the flange of the vent and gently tap the vent into place.