GM Chevy Mid-Size Cars 1964-1988 Repair Guide

Front Door Regulator

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REMOVAL & INSTALLATION



See Figures 1 and 2

Coupe
  1. Remove the door panel. For more information, refer to the procedure earlier in this section.
  2.  
  3. Prop the window in the half-way position by insert rubber edges between the window and the inner panel (at the belt) at the front and rear of the window.
  4.  

If rubber stops are not available, remove the windows.

  1. Mark (locate) and remove the inner panel cam and the vertical guide screws. Remove the vertical guide through the large access hole.
  2.  
  3. Using a center punch and a 1 / 4 in. drill bit, drive out the center pins, then drill out the regulator rivets.
  4.  
  5. Remove the lower sash channel cam-to-glass rear nut, then slide the regulator rearward and disengage the rollers from the lower sash channel cam.
  6.  
  7. Remove the regulator through the largest inner panel access hole.
  8.  

To install:
  1. Install the regulator through the largest inner panel access hole.
  2.  
  3. Slide the regulator forward and engage the rollers to the lower sash channel cam, then install the lower sash channel cam-to-glass rear nut.
  4.  
  5. Secure the regulator in position using 1 / 4 -20 x 1 / 2 in. fasteners
  6.  
  7. Install the vertical guide through the large access hole, then install the inner panel cam using the mark made earlier.
  8.  
  9. Reposition and secure the window.
  10.  
  11. Install the door panel.
  12.  



Click image to see an enlarged view

Fig. Fig. 1: Cut-away view of the front door hardware attachments-Sedans



Click image to see an enlarged view

Fig. Fig. 2: The tape drive regulator assembly

Sedan
  1. Position the window in the Full-Up position and tape the glass to the frame.
  2.  
  3. Locate and remove the inner panel cam screws and the cam.
  4.  
  5. Remove the remote handle-to-lock connecting rod.
  6.  
  7. Using a center punch and a 1 / 4 in. drill bit, drive out the center pins, then drill out the regulator rivets.
  8.  
  9. Disengage the rollers from the lower sash channel cam.
  10.  
  11. Remove the regulator through the largest inner panel access hole.
  12.  

To install:
  1. Install the regulator through the largest inner panel access hole.
  2.  
  3. Engage the rollers to the lower sash channel cam.
  4.  
  5. Secure the regulator in position using 1 / 4 -20 x 1 / 2 in. fasteners
  6.  
  7. Install the remote handle-to-lock connecting rod.
  8.  
  9. Install the cam and inner panel cam screws.
  10.  
  11. Remove the tape from the glass and frame.
  12.  
  13. Install the door panel.
  14.  

 
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