GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 497992  Size: SH
  1. Remove the wiper arms. Refer to Windshield Wiper Arm Replacement .
  2. Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement .
  3. Disconnect the electrical connector from the wiper motor.

  4. Object Number: 497995  Size: SH
  5. Remove the 3 screws and the wiper motor cover from the wiper motor.

Installation Procedure


    Object Number: 497995  Size: SH

    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.

  1. Install the wiper motor cover onto the wiper motor with the 3 screws.
  2. Tighten
    Tighten the screws to 2.5 N·m (22 lb in).


    Object Number: 497992  Size: SH
  3. Connect the electrical connector to the wiper motor.
  4. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement .
  5. Install the wiper arms. Refer to Windshield Wiper Arm Replacement .
  6. Operate the wipers and inspect for proper operation.