2007 Buick LaCrosse V6-3.6LFACTORY OEM SERVICE PROCEDURE

Wiper Control Module: Service and Repair



Wiper Drive System Module Replacement

Tools Required
* J 39232 Wiper Transmission Separator
* J 39529 Wiper Transmission Installer

Removal Procedure

1. Remove the air inlet grille panel.

Factory service manual diagram



2. Disconnect the wiper transmission link from the wiper motor crank arm using The 39232.

Factory service manual diagram



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

Factory service manual diagram



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.

Notice: refer to Fastener Notice.

4. Install the wiper drive system module screws.

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

5. Install the wiper transmission link to the wiper motor crank arm using The 39529.
6. Install the air inlet grille panel.
7. Inspect the wipers for proper operation.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.