GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J-39232 Wiper Linkage Separator
    • J-39529 Wiper Linkage Installer

Removal Procedure


    Object Number: 1527648  Size: SH

    Important: Ensure the wiper system is in the PARK position.

  1. Raise and support the hood.
  2. Disconnect the wiper motor electrical connector.
  3. Lower the wiper motor module from the air plenum. Refer to Windshield Wiper System Module Replacement .
  4. Using the J-39232 separator , separate the wiper transmission link (1) from the wiper motor crank arm.
  5. Remove the wiper motor pivot shaft nut (4).
  6. Remove the crank arm (5) from the wiper motor pivot shaft.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1527648  Size: SH

    Note: Position the wiper motor crank arm onto the pivot shaft and ensure the crank arm is positioned between the 2 dimples (2) on the wiper motor transmission assembly.

  1. Once aligned, secure the crank arm nut (4) while holding the crank arm between the 2 motor casting dimples (2) and tighten to 10 N·m (89 lb in) .
  2. Using the J-39529 installer , connect the transmission link (1) to the wiper motor crank arm (5).
  3. Secure the wiper module. Refer to Windshield Wiper System Module Replacement .
  4. Connect the electrical connector to the wiper motor.
  5. Verify the operation of the wiper system.
  6. Close the hood.