Wiper Gear Box: Service and Repair

WIPER TRANSMISSION REPLACEMENT

TOOLS REQUIRED
^ J 39232 Wiper Transmission Separator
^ J 39529 Wiper Transmission Installer

REMOVAL PROCEDURE




1. Remove the wiper arms.
2. Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement in Body Front End.
3. Disconnect the transmission drive link from the wiper motor crank arm with the J 39232.




4. Remove the transmission to cowl nuts.
5. Remove the wiper transmission from the vehicle through the access openings in the top of the cowl.

INSTALLATION PROCEDURE




1. Install the wiper transmission on the vehicle.

NOTE: Refer to Fastener Notice in Service Precautions.

2. Install the transmission to cowl nuts.

Tighten
Tighten the transmission nuts to 14 N.m (10 lb ft).

IMPORTANT: Assemble the wiper transmission to the crank arm past the second detent so that the seal is compressed to a maximum height of 25.5 mm (1.0 in). Lubricate the inside of the socket with a lithium-based grease (GM P/N 1050109,1052196 or equivalent).




3. Connect the transmission drive link to the wiper motor crank arm using the J 39529.
4. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement in Body Front End.
5. Install the wiper arms.