GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 39822 Wiper Arm Puller

Removal Procedure

  1. Raise the hood.
  2. Turn the ignition switch to the ACCY position.
  3. Turn the wiper switch to the DELAY position.
  4. Turn the ignition switch OFF when the wiper arms are in the innerwipe position and not moving.

  5. Object Number: 70095  Size: SH
  6. Place a piece of masking tape (5) onto the windshield at the tip of each wiper blade (6) to aid in the wiper arm reinstallation.
  7. Disconnect the washer hose (3) from the air inlet screen.
  8. Remove the wiper arm nut cover (1).
  9. Remove the wiper arm nut (2).
  10. Using the J 39822 , remove the wiper arm from the wiper transmission.
  11. Remove the wiper blade from the wiper arm. Refer to Windshield Wiper Blade Replacement .

Installation Procedure

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

  2. Object Number: 70095  Size: SH
  3. Position the tip of the wiper blade (6) to the marks made on the windshield with masking tape (5).
  4. Install the wiper arm onto the wiper transmission (4).
  5. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  6. Install the wiper arm nut (2).
  7. Tighten
    Tighten the nut to 25 N·m (18 lb ft).

  8. Install the wiper arm nut cover (1).
  9. Connect the washer hose (3) to the air inlet screen.
  10. Remove the masking tape (5) from the windshield.
  11. Inspect the wipers for proper operation.