CTS 2006-2007, CTS-V 2005-2007, DTS 2006-2007

Windshield Wiper Systems

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Removal & Installation



Wiper Motor
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Remove the wiper arms.
  4.  
  5. Remove the air inlet grille panel.
  6.  
  7. Remove wiper transmission mounting bolts.
  8.  
  9. Disconnect the wiper transmission electrical connector from the main engine harness.
  10.  
  11. Push the wiper transmission electrical harness grommet into the plenum area.
  12.  
  13. Remove the windshield wiper transmission. Raise the forward edge of the module assembly out of the plenum panel first followed by wiper motor.

    Click image to see an enlarged view

    Fig. Wiper transmission assembly removal (4) mounting bolts (3), (2) and (1)

  14.  
  15. Remove the wiper motor crank arm nut.
  16.  
  17. Remove the wiper motor mounting nuts.
  18.  
  19. Disconnect the wiper motor electrical connector.
  20.  
  21. Remove the wiper motor.
  22.  

To install:

Click image to see an enlarged view

Fig. Wiper motor removal

  1. Install wiper motor and tighten mounting bolts to 53 inch lbs. (6 Nm).
  2.  
  3. Connect the wiper motor electrical connector.
  4.  
  5. Install wiper motor crank arm nut to 80 inch lbs. (9 Nm).
  6.  
  7. Install the windshield wiper transmission.
  8.  
  9. Tighten transmission mounting bolts to 80 inch lbs. (9 Nm).
  10.  
  11. Reconnect the wiper transmission electrical connector from the main engine harness.
  12.  
  13. Install the air inlet grille panel.
  14.  
  15. Install the wiper arms.
  16.  

Wiper Switch
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disable the SIR system.
  4.  
  5. Remove the steering column trim covers.
  6.  
  7. Remove the steering column wiring harness tie straps.
  8.  
  9. Disconnect the electrical connectors from the windshield and washer switch.
  10.  
  11. Depress the locking tab (2) on the windshield wiper and washer switch (1) and remove the switch from the steering column.

    Click image to see an enlarged view

    Fig. View of steering column and wiper switch

  12.  

To install:

  1. Install the windshield wiper and washer switch to the steering column.
  2.  
  3. Connect the electrical connectors (1, 3) on the windshield wiper and washer switch.
  4.  
  5. Route and connect the electrical connector from the windshield wiper and washer switch.
  6.  
  7. Install the wiring harness tie straps.
  8.  
  9. Install the steering column trim covers.
  10.  
  11. Enable the SIR system.
  12.  

 
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