GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

J 39232 Wiper Transmission Separator


    Object Number: 306506  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. Remove the transmission from the wiper motor drive link using the J 39232 .

  4. Object Number: 443726  Size: SH
  5. Disconnect the electrical connector from the wiper motor.
  6. Remove the three screws and wiper motor from the vehicle.

Installation Procedure

Tools Required

J 39529 Wiper Transmission Installer


    Object Number: 443726  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 onto the vehicle with three screws.
  2. Tighten
    Tighten the wiper motor mounting screws to 6.5 N·m (57 lb in).

  3. Connect the electrical connector.

  4. Object Number: 429902  Size: SH

    Important: 

       • Lubricate the socket with white lithium grease (GM P/N 9985885) or equivalent.
       • The wiper transmission must be assembled to the crank arm past the second detent so the seal is compressed to a maximum height of 25.5 mm (1 in).

  5. Install the transmission drive link socket onto the crank arm ball of the wiper motor using the J 39529 .
  6. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement
  7. Install the wiper arms. Refer to Windshield Wiper Arm Replacement .