GM Caprice 1990-1993 Repair Guide

Tailgate Regulator and Motor

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REMOVAL & INSTALLATION



See Figures 1 and 2



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Fig. Fig. 1: Removing the tailgate window regulator



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Fig. Fig. 2: Removing the tailgate window regulator

  1. Disconnect the negative battery cable. Remove the trim panel. Remove the window.
  2.  
  3. Disconnect the electrical connection from the electrical motor assembly.
  4.  
  5. Remove the regulator retaining bolts or rivets and remove the regulator and window motor as an assembly.
  6.  

The regulator arm is under tension, due to the mounting of the electric window motor, and if the following operation is not performed, serious damage could result.

  1. Drill a 1 / 8 inch hole through the regulator backing plate and sector gear. Install a pan head 10-12 x 3 / 4 inch screw through the hole, to lock the gear in place.
  2.  
  3. Separate the motor assembly from the window regulator.
  4.  
  5. Installation is the reverse of the removal procedure.
  6.  

 
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