Wiper Gear Box: Service and Repair
Wiper Transmission ReplacementREMOVAL PROCEDURE
TOOLS REQUIRED
^ J 39232 Wiper Transmission Separator
^ J 39529 Wiper Transmission Installer
1. Remove the wiper arms.
2. Remove the air inlet grille panel.
3. Remove the transmission drive link from the wiper motor crank arm using the J 39232.
4. Remove the transmission screws.
5. Remove the transmission from the vehicle through the access openings in the top of the cowl.
INSTALLATION PROCEDURE
1. Install the transmission to the vehicle.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the transmission mounting screws.
Tighten
Tighten the wiper transmission mounting screws to 8 N.m (70 lb in).
IMPORTANT:
^ Lubricate the inside of the socket with white lithium grease (GM P/N 9985885) or equivalent.
^ The wiper transmission must be assembled to the crank arm past the second detent so the seal is compressed to a maximum height of 25.5 mm (1 in).
3. Install the transmission drive link to the wiper motor crank arm using the J 39529.
4. Install the air inlet grille panel.
5. Install the wiper arms.