GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 LaCrosse 🢒 Body Systems 🢒 Wipers and Washers 🢒 Windshield Wiper System Module Replacement

Special Tools

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

Removal Procedure
  1. Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement.

    2. Object Number: 306506 Size: SH
  2. Disconnect the wiper transmission link from the wiper motor crank arm using the J 39232 .

    3. Object Number: 815220 Size: SH
  3. Remove the wiper drive system module screws.
  4. Rotate the wiper drive system module to access the wiper motor electrical connector.
  5. Disconnect the wiper motor electrical connector.
  6. Remove the wiper drive system module from the vehicle.

Installation Procedure

    Object Number: 815220 Size: SH
  1. Position the wiper drive system module to the vehicle.
  2. Connect the wiper motor electrical connector.
  3. Rotate the wiper drive system module to the mounting position.

    4. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the wiper drive system module screws.

    5. Tighten
    Tighten the screws to 10 N·m (89 lb in).

  5. Install the wiper transmission link to the wiper motor crank arm using the J 39529 .
  6. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement.
  7. Inspect the wipers for proper operation.