Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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.
2. Disconnect the wiper transmission link from the wiper motor crank arm using The 39232.
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
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
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
