GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the rear wiper arm. Refer to Rear Window Wiper Arm Replacement.
  2. Remove the liftgate trim panel. Refer to Liftgate Trim Panel Replacement.

  3. Object Number: 1378647  Size: SH
  4. Remove the rear wiper motor bolts.
  5. Remove the motor by sliding the pivot shaft out of the rear window grommet.
  6. Disconnect the electrical connector.

Installation Procedure


    Object Number: 1378647  Size: SH
  1. Connect the electrical connector.
  2. Install the rear wiper motor through the rear window grommet.
  3. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the wiper motor bolts and tighten to 7 N·m (62 lb in).
  5. Install the liftgate trim panel. Refer to Liftgate Trim Panel Replacement.
  6. Install the wiper motor module. Refer to Rear Window Wiper Arm Replacement.