GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement in Body Front End.

  2. Object Number: 640747  Size: SH
  3. Remove the wiper motor cover screws.
  4. Remove the wiper motor cover from the wiper motor.
  5. Disconnect the wiper motor electrical connector.

Installation Procedure


    Object Number: 640747  Size: SH
  1. Connect the wiper motor electrical connector.
  2. Position the wiper motor cover onto the wiper motor.
  3. 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.

  4. Install the wiper motor cover screws.
  5. Tighten
    Tighten the screws to 2 N·m (18 lb in).

  6. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement in Body Front End.
  7. Inspect the wipers for proper operation.