GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 632378  Size: SH
  1. Remove the rear wiper arm. Refer to Rear Window Wiper Arm Replacement.
  2. Remove the nut and spacer from the wiper motor assembly.
  3. Remove the interior trim panel from the liftgate. Refer to Liftgate Trim Panel Replacement.
  4. Disconnect the wiper motor electrical connector.
  5. Remove the 2 bolts retaining the wiper motor to the liftgate.
  6. Remove the wiper motor.

Installation Procedure


    Object Number: 632378  Size: SH
  1. Install the wiper motor.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the 2 bolts retaining the motor to the liftgate.
  4. Tighten
    Tighten the bolts to 8 N·m (71 lb in).

  5. Connect the wiper motor electrical connector.
  6. Install the interior trim panel to the liftgate. Refer to Liftgate Trim Panel Replacement.
  7. Install the spacer and the nut on the wiper motor assembly.
  8. Tighten
    Tighten the nut to 20 N·m (15 lb ft).

  9. Install the rear wiper arm. Refer to Rear Window Wiper Arm Replacement.