GM Full-Size Trucks 1980-1987 Repair Guide

Door Lock Cylinder

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REMOVAL & INSTALLATION



See Figure 1

Click image to see an enlarged view

Fig. Fig. 1: Door lock cylinder and outside handle

A key code is stamped on the lock cylinder to aid in replacing lost keys.

  1. Remove the door trim panel.
  2.  
  3. Pull the weathersheet gently away from the door lock access holes.
  4.  
  5. Using a suitable tool, push the lock cylinder retaining clip upward, noting the position of the lock cylinder.
  6.  
  7. Remove the lock cylinder from the door.
  8.  
  9. Install the lock cylinder in reverse of removal.
  10.  

It's a good idea to open the window before checking the lock operation, just in case it doesn't work properly.

 
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