Wiper Arm: Service and Repair

Windshield Wiper Arm Replacement

Special Tools

J 39822 Wiper Arm Puller

Removal Procedure




1. Ensure that the wipers are in the park position and the ignition key is OFF.
2. Open the hood.
3. Disconnect the washer hose from the wiper arm.
4. Remove the wiper arm nut cover.
5. Remove the wiper arm nut.
6. Use the J 39822 to remove the wiper arm from the wiper transmission.

Installation Procedure




1. Position the wiper arm onto the wiper transmission.
2. Align the wiper blades to the small voids in the windshield blackout (1 and 2).
3. Apply Threadlocking compound, GM P/N 89021297 (Canadian P/N 10953488) or equivalent, to the wiper arm nut.

Caution: Refer to Fastener Caution (Fastener Caution).

4. Install the wiper arm nut.

Tighten the nut to 30 Nm (22 lb ft).

5. Install the wiper arm nut cover.
6. Connect the washer hose to the wiper arm.
7. Operate the windshield wipers and inspect for proper operation.
8. Close the hood.