GM Full-Size Trucks 1970-1979 Repair Guide

Door Lock Assembly

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REMOVAL & INSTALLATION



See Figure 1



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Fig. Fig. 1: Door lock assembly and rods

  1. Raise the window completely.
  2.  
  3. Remove the door trim panel.
  4.  
  5. Using a suitable flat bladed tool, push on the top of the door lock rod clips and pivot the clip away from the rod.
  6.  
  7. Disconnect the door handle to lock rod from the lock.
  8.  
  9. Disconnect the outside door handle to lock rod clip, using the same procedure as in step 3.
  10.  
  11. Remove the inside door lock knob.
  12.  
  13. Remove the door to lock assembly screws, then tilt the lock assembly away from the outside lock cylinder. Pull the lock assembly downward to make clearance for the inside lock rod and remove the lock assembly from the door.
  14.  

To install:
  1. Align the lock rod to the hole in the door panel. Tilt the lock assembly onto the outside lock cylinder.
  2.  
  3. Install the door to lock assembly screws.
  4.  
  5. Install the inside door lock knob.
  6.  
  7. Install the outside door handle to lock rod onto the lock assembly.
  8.  
  9. Pivot the clip up and onto the lock rod.
  10.  
  11. Install the inside door handle to the lock rod onto the lock assembly.
  12.  
  13. Pivot the clip up and onto the lock rod.
  14.  
  15. Install the door trim panel.
  16.  

 
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