GM Caprice 1990-1993 Repair Guide

Door Locks

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REMOVAL & INSTALLATION



See Figures 1, 2 and 3



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Fig. Fig. 1: Front door hardware and locking system - 1990



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Fig. Fig. 2: Door locking system - 1991-93



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Fig. Fig. 3: Door lock latch - 1991-93

  1. Raise the door window. Remove the door trim panel and detach the inner panel water deflector enough to expose the access hole.
  2.  
  3. Disengage the lock cylinder to the lock rod at the cylinder.
  4.  


CAUTION
If removing the lock cylinder retainer by hand, wear gloves to prevent personal injury.

  1. With a screwdriver or similar tool, slide the lock cylinder retainer forward until it disengages. Retainer can also be removed by hand by grasping anti-theft shield at the top of the retainer and rotating until disengaged. Remove the lock cylinder from the door.
  2.  
  3. To install, lubricate the cylinder with the proper lubricant.
  4.  
  5. Position the cylinder into place and rotate it until the cylinder engages. Install the cylinder retainer.
  6.  
  7. Engage the lock cylinder to lock rod at the cylinder.
  8.  
  9. Install the inner panel water deflector and door trim panel.
  10.  

 
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