GM Full-Size Trucks 1980-1987 Repair Guide

Ignition Lock Cylinder

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REMOVAL & INSTALLATION



See Figures 1, 2 and 3

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Fig. Fig. 1: Removing the lockplate retaining ring



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Fig. Fig. 2: Ignition lock cylinder removal and installation



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Fig. Fig. 3: Ignition switch assembly showing switch in LOCK position

  1. Remove the steering wheel.
  2.  
  3. Remove the turn signal switch. It is not necessary to completely remove the switch from the column. Pull the switch rearward far enough to slip it over the end of the shaft, but do not pull the harness out of the column.
  4.  
  5. Turn the ignition lock to Run.
  6.  
  7. Remove the lock retaining screw and remove the lock cylinder.
  8.  


WARNING
If the retaining screw is dropped on removal, it may fall into the column, requiring complete disassembly of the column to retrieve the screw.

  1. To install, rotate the key to the stop while holding onto the cylinder.
  2.  
  3. Push the lock all the way in.
  4.  
  5. Install the screw. Tighten the screw to 3 ft. lbs. for regular columns, 2 ft. lbs. for adjustable columns.
  6.  
  7. Install the turn signal switch and the steering wheel.
  8.  

 
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