GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 39232 Wiper Transmission Separator
    • J 39529 Wiper Transmission Installer

Removal Procedure


    Object Number: 497992  Size: SH
  1. Remove the wiper arms. Refer to Windshield Wiper Arm Replacement .
  2. Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement in Body Front End.
  3. Disconnect the electrical connector from the wiper motor.

  4. Object Number: 497998  Size: SH
  5. Remove the 4 bolts retaining the wiper system drive module.

  6. Object Number: 498000  Size: SH
  7. Remove the wiper drive system module from the vehicle.

  8. Object Number: 306506  Size: SH
  9. Disconnect the drive link from the wiper motor crank arm using the J 39232 .

  10. Object Number: 498001  Size: SH
  11. Remove the 2 bolts retaining the wiper motor.
  12. Remove the wiper motor from the wiper drive system module.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 498001  Size: SH
  1. Install the wiper motor onto the wiper drive system module with the 2 bolts.
  2. Tighten
    Tighten the bolts to 8 N·m (71 lb in).


    Object Number: 306515  Size: SH
  3. Connect the drive link onto the wiper motor crank arm using the J 39529 .

  4. Object Number: 498000  Size: SH
  5. Install the wiper drive system module on the vehicle.

  6. Object Number: 497998  Size: SH
  7. Install the 4 bolts.
  8. Tighten
    Tighten the bolts to 8 N·m (71 lb in).


    Object Number: 497992  Size: SH
  9. Connect the electrical connector to the wiper motor.
  10. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement in Body Front End.
  11. Install the wiper arms. Refer to Windshield Wiper Arm Replacement .
  12. Operate the wipers and inspect for proper operation.