Windshield Wiper Arm Replacement GMC Envoy

1. Remove the cover from the nut on the wiper arm.
2. Hold the wiper arm and remove the nut from the wiper arm.

Important: Use a battery terminal puller to remove the wiper arm if rocking the wiper arm fails to loosen it from the drive shaft.

3. Push inward at the wiper arm pivot in order to loosen it from the drive shaft.
4. Remove the wiper arm from the pivot shaft.
5. Remove the wiper arm blade from the wiper arm. Refer to Windshield Wiper Blade Replacement .
6. Clean the knurls of the drive shaft with a wire brush.

1. Install the wiper arm blade to the wiper arm. Refer to Windshield Wiper Blade Replacement .



2. Install the wiper arm onto the drive shaft.



3. Hold the wiper arm blade (2) in position to the dots (1) in the windshield blackout area.

Notice: Refer to Fastener Notice in the Preface section.

4. Install the nut on the drive shaft.

Tighten
Tighten the nut to 30 N·m (22 lb ft).

5. Install the cover on the nut.
6. Operate the wipers and inspect for proper operation.