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SMU - Revised Wiper Motor Replacement Procedure

Subject:Revised Wiper Motor Replacement Procedure

Models:2005 Buick Terraza
2005 Chevrolet Uplander
2005 Pontiac Montana SV6
2005 Saturn Relay



This bulletin is being issued to revise the Wiper Motor Replacement procedure in the Wipers/Washer Systems sub-section of the Service Manual. Please replace the current information in the Service Manual with the following information.

The following information has been updated within SI. If you are using a paper version of this Service Manual, please make a reference to this bulletin on the affected page.

Wiper Motor Replacement

Tools Required

J 39529 Wiper Linkage Installer

Removal Procedure


    Object Number: 1480117  Size: SH
  1. Position the wipers in the parked position.

  2. Object Number: 1527648  Size: SH
  3. Disconnect the wiper motor electrical connector.
  4. Remove the wiper motor crank arm nut (4) and crank arm (5).
  5. Remove the wiper motor screws (3).
  6. Remove the wiper motor from the module assembly.

Installation Procedure


    Object Number: 1527648  Size: SH

    Important: A new wiper motor will be shipped in the parked position.

  1. Position the crank arm (5) to the wiper motor pivot shaft. Ensure the arm resides between the 2 casting dimples (2) as shown.
  2. Install the crank arm pivot nut (4).
  3. Tighten
    Tighten the pivot nut to 10 N·m (89 lb in).

  4. Using the J 39529 , secure the transmission link (1) to the wiper crank arm (5).

  5. Object Number: 1527641  Size: SH
  6. Position the module assembly to the lower plenum. Refer to Wiper Motor Module Replacement.

  7. Object Number: 1501847  Size: SH
  8. Connect the electrical connector (2) to the wiper motor (1).
  9. Reposition the wiper arms.
  10. Inspect the front wiper system operation.