GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 39232 Wiper Linkage Separator
    • J 39529 Wiper Linkage Installer

Removal Procedure


    Object Number: 776832  Size: SH
  1. Remove the wiper arms (1,4). Refer to Windshield Wiper Arm Replacement .
  2. Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement.

  3. Object Number: 497497  Size: SH
  4. Pull or push on the wiper transmission linkage to rotate the wiper motor crank arm (2) from the park position (1) to the area opposite the park position (3).

  5. Object Number: 776830  Size: SH
  6. Disconnect the wiper motor harness connector (4).
  7. Remove the 2 screws (3, 5) retaining the wiper system drive module.
  8. Remove the wiper system drive module (1) from the vehicle.

  9. Object Number: 306506  Size: SH
  10. Remove the drive links from the wiper motor crank arm and the wiper transmission drive shafts with the J 39232 .
  11. Remove the transmission links from the module.

Installation Procedure


    Object Number: 781424  Size: SH
  1. Position the transmission drive links (4) to the pivot arms (3, 5).

  2. Object Number: 306515  Size: SH
  3. Install the drive links onto the wiper motor crank arm and the wiper transmission drive shafts with the J 39529 .

  4. Object Number: 776830  Size: SH
  5. Install the wiper motor module assembly (1). Refer to Windshield Wiper System Module Replacement .

  6. Object Number: 776832  Size: SH
  7. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement.
  8. Install the wiper arms (1, 4). Refer to Windshield Wiper Arm Replacement .
  9. Operate the wipers and check for proper operation.