GM Cavalier/Sunbird/Skyhawk/Firenza 1982-1994

Front Window Regulator And Motor

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The following procedure includes both manual and power window regulator removal and installation. Besides the regulators, window motors and rollers including the washer and pin are serviced separately.

REMOVAL & INSTALLATION



Except Convertible
  1. Remove the door trim panel and the water deflector.
  2.  
  3. Raise the glass to the full up position and tape the glass to the door frame using fabric tape.
  4.  
  5. Punch out the center pins of the regulator rivets using a 1 / 4 in. (6mm) drill bit. On electric regulators, drill out the rivets supporting the motor to the door inner panel.
  6.  
  7. Move the regulator rearward and disconnect the wiring harness from the motor, if so equipped. Disengage the roller on the regulator lift arm from the glass sash channel.
  8.  
  9. Remove the regulator through the rear access hole.
  10.  
  11. Using a 3 / 16 in. (5mm) drill bit, drill out the motor attaching rivets and remove the motor from the regulator, if so equipped.
  12.  

To install:
  1. If so equipped, attach the motor to the regulator using a rivet tool and 3 / 16 in. (5mm) rivets or 3 / 16 in. (5mm) nuts and bolts.
  2.  
  3. Place the regulator through the rear access hole into the door inner panel. If an electric regulator is being installed, connect the wire connector to the motor prior to installing the regulator in the panel.
  4.  
  5. Locate the lift arm roller into the glass sash channel.
  6.  
  7. Using rivet tool J-29022 or equivalent, rivet the regulator to the inner panel of the door using 1 / 4 in. x 1 / 2 in. (6mm x 13mm) aluminum peel type rivets (part No. 9436175 or equivalent). If a rivet tool is not available, use the following nut and bolt method:
    1. Install U-clips on the regulator and motor (if so equipped), at the attaching locations. Be sure to install clips with clinch nuts on the outboard side of the regulator.
    2.  
    3. Place the regulator through the rear access hole into the door inner panel. If an electric regulator is being installed, connect the wire connector to the motor prior to installing the regulator in the panel.
    4.  
    5. Locate the lift arm roller into the glass sash channel.
    6.  
    7. Align the regulator with the clinch nuts to the holes in the inner panel.
    8.  
    9. Attach the regulator and motor to the door inner panel with 1 / 4 in. screws. Tighten the screws to 90-125 inch lbs. (10-14 Nm).
    10.  

  8.  
  9. If an electrical window regulator is being installed use a rivet mentioned in step 10 to rivet the regulator motor to the door inner panel.
  10.  
  11. Replace all previously removed parts.
  12.  

Convertible
  1. Remove the door trim panel, sound absorber, armrest bracket and water deflector.
  2.  
  3. Using a 1 / 4 in. (6mm) drill bit, drill out the rivets supporting the motor to the door inner panel.
  4.  
  5. Disconnect the electrical connector from the regulator motor.
  6.  
  7. Support the door glass in the full-up position, using rubber wedge door stops.
  8.  
  9. Remove the nuts holding the cam assembly door reinforcement to the inner panel and remove the cam assembly.
  10.  
  11. Remove the bolt holding the upper portion of the rear cam assembly to the inner panel.
  12.  
  13. Using a 3 / 16 in. (5mm) drill bit, drill out the rivets, holding the lower section of the rear cam assembly to the inner panel.
  14.  
  15. Remove the up stop from the rear cam assembly.
  16.  
  17. Remove the rear cam assembly through the access hole.
  18.  
  19. Disengage the regulator from the glass sash channel and remove the regulator through the access hole.
  20.  


CAUTION
When removing the electric motor from the regulator, the sector gear must be locked in position. The regulator lift arm is under tension from the counterbalance spring and could cause personal injury if the sector gear is not locked in position.

  1. If equipped with an electric window regulator and you wish to remove the motor from the regulator proceed as follows:
    1. Drill a hole through the regulator sector gear and backplate and install a bolt and nut to lock the sector gear in position.
    2.  
    3. Using a 3 / 16 in. (5mm) drill bit, drill out the motor attaching rivets and remove the motor from the regulator.
    4.  
    5. To install the motor to the regulator use a rivet tool J-29022 or equivalent and install 3 / 16 in. (5mm) rivets or 3 / 16 in. (5mm) nuts and bolts. Remove the bolt and nut used to secure the sector gear in position.
    6.  

  2.  

To install:
  1. Make sure the regulator is in the full up position.
  2.  
  3. Install the regulator arm rollers to the glass sash channel.
  4.  
  5. Install the rear cam assembly using 3 / 16 in. (5mm) aluminum peel-type rivets making sure to install the up stop in the cam assembly.
  6.  
  7. Connect the electrical connector to the motor on the regulator.
  8.  
  9. Engage the roller on the regulator lift arm in the cam assembly door reinforcement.
  10.  
  11. Install the cam assembly door reinforcement to the inner panel.
  12.  
  13. Align the attaching holes in the regulator with the holes in the inner panel.
  14.  
  15. Install the regulator to the inner panel, using a rivet gun and 1 / 4 in. x 1 / 2 in. (6mm x 13mm) aluminum peel type rivets.
  16.  

 
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