GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disconnect the negative battery cable.
  2. Remove the wiper arm assemblies. Refer to Windshield Wiper Arm Replacement .
  3. Remove the cowl vent grille.
  4. Disconnect the electrical connector from the motor assembly.
  5. Important: Do not remove the crankarm.

  6. Remove the drive link brackets from the wiper motor crank arm.
  7. Loosen the nuts. Slide the brackets off the crank arm.

  8. Object Number: 290903  Size: SH
  9. Remove the wiper motor screws and the wiper motor assembly from the vehicle.

Installation Procedure

  1. Install the wiper motor assembly to the vehicle.
  2. Install the wiper motor screws.
  3. Tighten
    Tighten the wiper motor screws to 7 N·m (62 lb in).

  4. Install the drive link brackets to the wiper motor crank arm.
  5. Install the nuts to the wiper motor crank arm.
  6. Tighten
    Tighten the drive link nuts to 5 N·m (44 lb in).


    Object Number: 290903  Size: SH
  7. Connect the electrical connector to the wiper motor.
  8. Install the cowl vent grille.
  9. Install the wiper arm assemblies. Refer to Windshield Wiper Arm Replacement .
  10. Connect the negative battery cable.