Pontiac Repair: wiper motor, windshield wiper arm, fastener torque

Question
Hi tim I have a 97 pontiac grand prix and I know the windshield wiper motor is out and needs tobe replaced. My ? Is... Is it easy? How can it be done and what all do I need?

Answer
you will need to remove the cowl cover and wiper arms to access the motor

Wiper Transmission Separator.





•Remove the wiper arm assemblies from the wiper transmission assembly drive shafts. Refer to Windshield Wiper Arm Replacement .
•Remove the air grille panel from the vehicle. Refer to Air Inlet Grille Panel Replacement .
Remove the connector from the wiper motor assembly.

•Remove the wiper transmission assembly from the wiper motor crank arm assembly using the J 39232 .




•Remove three screws and the wiper drive system module from the vehicle.




•Remove the wiper motor crank arm assembly from the wiper motor assembly.
5.1.  Remove the rubber boot from the wiper motor crank arm assembly.

5.2.  Loosen the screw.

5.3.  Tap on the screw with a soft-faced mallet while holding up on the wiper motor crank arm assembly until the wiper motor crank arm assembly is loose on wiper motor assembly.

5.4.  Remove the screw and wiper motor crank arm assembly from wiper motor assembly.





•Remove three screws and wiper motor assembly from wiper drive system module.
•Remove the shaft seal and the water shield from the wiper motor assembly.
Installation Procedure
Tools Required
J 39529 Wiper Transmission Installer.





•Install the water shield and shaft seal on the wiper motor assembly.
Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

•Install the wiper motor assembly on the wiper drive system module with three screws.
Tightening
Tighten three screws to 7 N·m (62 lb in).





•Install the wiper motor crank arm assembly on the wiper motor assembly.
3.1.  Install the connector to the wiper motor assembly.

3.2.  Turn the ignition switch to the ACCY position.

3.3.  Set the wiper switch to the PULSE position. The wiper motor assembly should be operating.

3.4.  Turn the ignition off when the wiper motor assembly is in the innerwipe position and not moving.

3.5.  Disconnect the connector from the wiper motor assembly.

3.6.  Install the wiper motor crank arm assembly on the wiper motor assembly while maintaining a 4-8 mm (0.157-0.314 in) gap between wiper motor crank arm assembly and bracket tab.

3.7.  Install the screw.

3.8.  Check the gap between wiper motor crank arm assembly and bracket tab. If the gap is not 4-8 mm (0.157-0.314 in), remove the crank arm assembly and repeat installation.

Tighten
Tighten the screw to 16 N·m (142 lb in).

3.9.  Install the rubber boot onto the wiper motor crank arm assembly.





•Install the wiper drive system module on the vehicle with three screws.
Tighten
Tighten the screws to 10 N·m (88 lb in).





•Install the wiper transmission assembly on the wiper motor crank arm assembly using the J 39529 .
•Install the connector onto the wiper motor assembly.
•Install the air inlet grille panel on the vehicle. Refer to Air Inlet Grille Panel Replacement .
•Install the wiper arm assemblies onto the wiper transmission assembly drive shaft. Refer to Windshield Wiper Arm Replacement .
•Operate the wipers and check for proper operation.