GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: Note the location of the wiper on the glass before removal.


    Object Number: 632379  Size: SH
  1. Disconnect the washer hose.
  2. Swivel the wiper arm cover open.
  3. Remove the nut retaining the wiper arm to the wiper motor.
  4. Remove the wiper arm from the liftgate.

Installation Procedure


    Object Number: 632379  Size: SH
  1. Align the wiper arm to the vehicle.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the nut retaining the wiper arm to the wiper motor.
  4. Tighten
    Tighten the nut to 23 N·m (17 lb ft).

  5. Swivel the wiper arm cover closed.
  6. Connect the washer hose to the wiper arm.
  7. Check the rear wiper for proper operation.