GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 39822 Wiper Arm Puller

Removal Procedure


    Object Number: 347706  Size: SH
  1. Turn the ignition switch to the ACCY position.
  2. Set the wiper switch to the PULSE position.
  3. Turn the ignition off when the wiper arms are in the innerwipe position and they are not moving.
  4. Disconnect the washer hose from the wiper arm.
  5. Remove the cover from the wiper arm nut.
  6. Remove the wiper arm nut.
  7. Using the J 39822 , remove the wiper arm from the wiper transmission drive shaft.

  8. Object Number: 306449  Size: SH
  9. Remove the wiper blade from the wiper arm. Refer to Windshield Wiper Blade Replacement .

Installation Procedure


    Object Number: 343204  Size: SH
  1. Install the wiper blade on the wiper arm. Refer to Windshield Wiper Blade Replacement .

  2. Object Number: 347707  Size: SH
  3. Install the wiper arm on the wiper transmission drive shaft.
  4. 2.1. Put the ignition switch in the ACCY position.
    2.2. Set the wiper switch to the PULSE position. The windshield wiper system should be operating.
    2.3. Turn the ignition off when the wipers are in the innerwipe position, same as the park position, and not moving.

            Important: The measuring device must be held at 90 degrees, perpendicular, to the wiper blade.

    2.4. Install the wiper arm onto the wiper transmission drive shaft while maintaining the following distances between the wiper blade and the bottom of the windshield:
       • Driver side--LH blade tip - 47 mm (1.85 in)
       • Passenger side--RH wiper arm - 90 mm (3.54 in)

    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.

  5. Install the wiper arm nut.
  6. Tighten
    Tighten the nut to 30 N·m (22 lb ft).

  7. Install the cover to the wiper arm nut.
  8. Connect the washer hose to the wiper arm.