GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Note: Cycle the wipers 1 time to ensure they are in the parked position.

  1. Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement.

  2. Object Number: 837507  Size: SH
  3. Remove the wiper transmission. Refer to Windshield Wiper Transmission Replacement.
  4. Mark the location of the wiper transmission arm prior to motor removal.
  5. Remove the nut retaining the wiper motor shaft to the wiper motor transmission.
  6. Remove the 3 fasteners (1) retaining the wiper motor to the wiper transmission.
  7. Remove the wiper motor from the wiper transmission.

Installation Procedure

  1. Position the wiper motor into place on the wiper motor transmission, aligning the arm with the locating marks made prior to removal.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the 3 fasteners retaining the wiper motor to the wiper transmission.
  4. Tighten
    Tighten the fasteners to 12 N·m (9 lb ft).

  5. Connect the wiper motor electrical connector to the wiper motor and cycle the wipers 1 time to ensure motor is in the park position.
  6. Disconnect the wiper motor electrical connector.
  7. Ensure that the wipers are in the park position.
  8. Install the nut retaining the wiper motor shaft to the wiper transmission arm.
  9. Tighten
    Tighten the nut to 25 N·m (18 lb ft).


    Object Number: 837507  Size: SH
  10. Install the wiper transmission. Refer to Windshield Wiper Transmission Replacement.
  11. Install the 3 fasteners (1) retaining the wiper.
  12. Tighten
    Tighten the fasteners to 12 N·m (9 lb ft).

  13. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement.
  14. Operate the wipers to ensure proper operation.