Chrysler Full-Size Trucks 1989-1996 Repair Guide

Ignition Lock Cylinder

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REMOVAL & INSTALLATION



1989-91 Models
STANDARD COLUMNS
  1. Remove the steering wheel.
  2.  
  3. Remove the turn signal switch.
  4.  
  5. Remove the retaining screw and lift the ignition lock cylinder lamp out of the way.
  6.  
  7. Remove the bearing housing.
  8.  
  9. Remove the coil spring.
  10.  
  11. Remove the lock plate from the shaft.
  12.  
  13. Remove the 2 retaining screws and lift the lock lever guide plate to expose the lock cylinder release hole.
  14.  
  15. Insert the key and place the lock cylinder in the LOCK position. Remove the key.
  16.  
  17. Insert a thin punch into the lock cylinder release hole and push inward to release the spring-loaded lock retainer. At the same time, pull the lock cylinder out of the column.
  18.  
  19. When installing the lock cylinder, make sure it is in the LOCK position. Press it into the column. It will snap into place. The remainder of assembly is the reverse of disassembly.
  20.  

TILT COLUMNS
  1. Remove the steering wheel.
  2.  
  3. Remove the tilt lever and turn signal lever.
  4.  
  5. Remove the turn signal switch.
  6.  
  7. Using the key, place the lock cylinder in the LOCK position. Remove the key.
  8.  
  9. Insert a thin punch in the slot next to the switch mounting screw boss and depress the spring latch at the bottom of the slot. Hold the spring latch depressed and pull the lock cylinder out of the column.
  10.  
  11. To install, place the lock cylinder in the LOCK position and press it into place in the column. It will snap into position. The remainder of assembly is the reverse of disassembly.
  12.  

1992-96 Models

See Figures 1, 2, 3 and 4


CAUTION
Disconnect and isolate the negative (ground) battery cable. This will disable the air bag system. Failure to disconnect the battery could result in accidental deployment and possible personal injury. Allow the system capacitor to discharge for two minutes then begin air bag system component removal. Refer to Chassis Electrical for additional air bag system precautions and information.



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Fig. Fig. 1: Unseated key cylinder-1992-96 models



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Fig. Fig. 2: The key cylinder is mounted in the ignition switch housing-1992-96 models



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Fig. Fig. 3: Ignition switch view from the column-1992-96 models



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Fig. Fig. 4: Ignition switch mounting pad-1992-96 models

  1. Disconnect the negative battery cable.
  2.  
  3. If equipped with a tilt column, remove the tilt lever by turning it counterclockwise.
  4.  
  5. Remove the upper and lower covers from the column.
  6.  
  7. Remove the ignition switch mounting screws. Use a tamper resistant Torx® bit (Snap-On® TTXR20A2, or equivalent) to remove the screws.
  8.  
  9. Pull the switch away from the column. Release the connector locks on the 7 terminal wiring connector, then remove the connector from the ignition switch.
  10.  
  11. Release the connector lock on the 4 terminal wiring connector, then remove the connector from the ignition switch.
  12.  
  13. Turn the key to the LOCK position. Using a TTXR20A2, or equivalent, remove the key cylinder retaining screw and bracket.
  14.  
  15. Rotate the key clockwise to the OFF position. The key cylinder will unseat from the ignition switch. When the key cylinder is unseated, it will be approximately 1 / 8 in. (3mm) away from the ignition switch halo light ring. DO NOT attempt to remove the key cylinder at this time.
  16.  
  17. With the key cylinder in the unseated position, rotate the key counterclockwise to the LOCK position and remove the key.
  18.  
  19. Remove the key cylinder from the ignition switch.
  20.  

To install:
  1. Engage the electrical connectors to the ignition switch and make sure the switch locking tabs are fully seated.
  2.  
  3. Before attaching the ignition switch to a tilt steering column, the transmission shifter must be in the PARK position. Also the park lock dowel pin and the column lock flag must be properly indexed before installing the switch as follows:
    1. Place the transmission shifter in the PARK position
    2.  
    3. Place the ignition switch in the LOCK position. The switch is in the lock position when the column lock flag is parallel to the ignition switch terminals.
    4.  
    5. Position the ignition switch park lock dowel pin so it will engage the steering column park lock slider linkage.
    6.  
    7. Apply a light coating of grease to the column lock flag and the park lock dowel pin.
    8.  

  4.  
  5. Place the ignition switch against the lock housing opening on the steering column. Ensure that the ignition switch park lock dowel pin enters the slot in the park lock slider linkage in the steering column.
  6.  
  7. Install the retaining bracket and ignition switch mounting screws, then tighten the screws to 22-30 inch lbs. (3-4 Nm).
  8.  
  9. If the vehicle is equipped with a tilt steering column, install the tilt lever.
  10.  
  11. With the key cylinder and the ignition switch in the LOCK position, insert the key cylinder into the ignition switch until it bottoms.
  12.  
  13. Insert the ignition key into the lock cylinder. While pushing the key cylinder in toward the ignition switch, rotate the ignition key until the end of travel.
  14.  
  15. Install the retaining screw into the bracket and lock cylinder. Tighten the screw to 22-30 inch lbs. (3-4 Nm).
  16.  
  17. Install the steering column covers, then the tilt lever, if equipped.
  18.  
  19. Connect the negative battery cable.
  20.  
  21. Check for proper operation.
  22.  

 
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