Tools Required
J 39822  Wiper Arm Puller
Removal Procedure
- Turn the ignition ON.
 
- Turn the wiper switch to DELAY.
 
- Turn the ignition OFF when the wiper arms are paused at the bottom of
the wipe pattern.
 
- Disconnect the washer hose from the wiper arm.
 
- Remove the wiper arm nut cover.
 
- Remove the wiper arm nut.
 
- Using the J 39822 
 ,
remove the wiper arm from the wiper transmission.
 
Installation Procedure
- Install the wiper arms onto the wiper transmission. 
 
- Hold the measuring device at a 90 degree angle to the wiper blade
while maintaining the following distances:
 
| •  | Right arm: 97-107 mm (3.82-4.21 in) from the
end of the wiper arm to the air inlet screen | 
 
| •  | Left arm: 125-147 mm (4.92-5.78 in) from the
wiper blade tip to the air inlet screen | 
 
- Apply Threadlocking compound, GM P/N 89021297 (Canadian P/N 10953488)
or equivalent, to the wiper arm nut.
 
Notice: Refer to Fastener Notice in the Preface section.
- Install the wiper arm nut.
 
Tighten
Tighten the nut to 30 N·m (22 lb ft).
- Install the wiper arm nut cover.
 
- Connect the washer hose to the wiper arm.
 
- Operate the windshield wipers and inspect for proper operation.