GM Full-Size Trucks 1988-1998 Repair Information

Tailgate Power Window Regulator

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REMOVAL & INSTALLATION



See Figure 1

  1. Remove the tailgate cover plate.
  2.  
  3. Disconnect the tailgate handle control rod from the handle.
  4.  
  5. Remove the handle.
  6.  
  7. Disconnect the right and left latch rods from the control assembly.
  8.  
  9. Remove the attaching bolts and lift the control assembly from the tailgate.
  10.  
  11. Remove the window glass as described above.
  12.  


CAUTION
The next step must be performed before if the gearbox is removed or disengaged from the regulator arms. The regulator lift arms are under tension from the counterbalance spring and can cause serious injury if the gearbox is removed without locking the sector gear in position.

  1. Drill a 1 / 8 in. hole through the regulator sector gear and back plate. Install a pan head sheet metal tapping screw in the drilled hole to lock the sector gear in position.
  2.  
  3. Disconnect the drive cable at the regulator.
  4.  
  5. Remove the attaching bolts and lift the regulator from the tailgate.
  6.  
  7. Unbolt the gear assembly from the regulator.
  8.  

To install:


Click image to see an enlarged view

Fig. Fig. 1: Tailgate power window regulator-R/V Series

  1. Assemble the gearbox and regulator.
  2.  
  3. Install the regulator in the tailgate.
  4.  
  5. Connect the drive cable at the regulator.
  6.  
  7. Remove the head sheet metal tapping screw used to lock the sector gear in position.
  8.  
  9. Install the window glass as described above.
  10.  
  11. Install the control assembly in the tailgate.
  12.  
  13. Connect the right and left latch rods at the control assembly.
  14.  
  15. Install the handle.
  16.  
  17. Connect the tailgate handle control rod at the handle.
  18.  
  19. Install the tailgate cover plate.
  20.  

 
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