GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 39232 Wiper Transmission Separator
    • J 39529 Wiper Transmission Installer

Removal Procedure


    Object Number: 532066  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 in Body Front End.
  3. Remove the water shield.

  4. Object Number: 532057  Size: SH
  5. Remove the screw and the nut.

  6. Object Number: 306506  Size: SH
  7. Disconnect the RH linkage assembly from the LH linkage assembly with the J 39232 .
  8. Remove the LH linkage assembly.

  9. Object Number: 532058  Size: SH
  10. Remove the screw from the wiper motor.

  11. Object Number: 532059  Size: SH
  12. Pull the wiper motor free from the slots of the bracket.

  13. Object Number: 306506  Size: SH
  14. Disconnect the RH linkage assembly from the wiper motor with the J 39232 .

  15. Object Number: 532056  Size: SH
  16. Disconnect the electrical connector from the wiper motor.

Installation Procedure


    Object Number: 532056  Size: SH
  1. Connect the electrical connector to the wiper motor.

  2. Object Number: 306515  Size: SH
  3. Connect the RH linkage assembly to the wiper motor with the J 39529 .

  4. Object Number: 532059  Size: SH

    Important: When installing the wiper motor, be sure that the crank arm is in the innerwipe position. The crank arm drive pin must be engaged in the cam pocket.

  5. Install the wiper motor with two locator pads pressed into the slots of the bracket.

  6. Object Number: 532058  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.

  7. Install the screw.
  8. Tighten
    Tighten the screw to 10 N·m (7.5 lb ft).


    Object Number: 306515  Size: SH
  9. Connect the RH linkage assembly to the LH linkage assembly with the J 39529 .

  10. Object Number: 532057  Size: SH
  11. Install the LH linkage assembly with the screw and nut.
  12. Tighten
    Tighten the screw and the nut to 10 N·m (7.5 lb ft).


    Object Number: 532066  Size: SH
  13. Install the water shield on the LH linkage assembly with the flat side of the water shield under the windshield.
  14. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement in Body Front End.
  15. Install the wiper arms. Refer to Windshield Wiper Arm Replacement .