Windshield Wiper Arm: Removal & Installation - Chevrolet Trailblazer Service Manual

6. WARNING
To avoid personal injury and/or vehicle damage, refer to the service precautions at
the beginning of this section.
Windshield Wiper Arm
Removal & Installation
To Remove:
1. Remove the wiper arm nut cover from the nut.
2. Remove the wiper arm nut from the wiper arm.
3. Loosen the wiper arm pivot by pushing inward.
4. Remove the wiper arm from the pivot shaft, use a battery terminal puller if
necessary.
5. Remove the wiper blade from the wiper arm.
6. Use a soft wire brush to clean the pivot shaft knurls.
To Install:
1. Install the wiper blade onto the wiper arm.
2. Install the wiper arm onto the pivot shaft.
3. Install the wiper arm nut onto the wiper arm. Torque the nut to 22 lb-ft (30 Nm).
4. Install the wiper arm nut cover onto the nut.
5. Make sure the wipers are functioning properly.
Wiper arm removal and installation