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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1236 (Steering Wheel And Steering Column) >> Repair Instructions >> Ignition Lock Cylinder Case Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Refer to SIR CAUTION .
  1. Disable the SIR system. Refer to DISABLING & ACTIVATING AIR BAG SYSTEM .
  2. Remove the turn signal cancel cam. Refer to Turn Signal Cancel Cam And Steering Shaft Upper Bearing Spring Replacement  .
  3. Remove the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement  .
  4. Slide the PASSKEY® III (2) off of the ignition lock cylinder case (1).
    Fig 1: Ignition Lock Cylinder Case
    G01490132Courtesy of GENERAL MOTORS CORP.
  5. Remove the connector (2) from the theft deterrent control module (3).
  6. Remove the TORX® head screw (1) from the theft deterrent control module (3).
    Fig 2: Removing Connector From Theft Deterrent Control Module
    G01490133Courtesy of GENERAL MOTORS CORP.
  7. Remove the theft deterrent control module (2) from the ignition lock cylinder case (1).
    Fig 3: Removing Theft Deterrent Control Module From Ignition Lock Cylinder Case
    G01490134Courtesy of GENERAL MOTORS CORP.
  8. Remove the key alarm connector (1) from the ignition lock cylinder case (2).
    1. 8.1. Rotate the key alarm connector (1) 90 degrees.
    2. 8.2. Pull the key alarm connector (1) out of the ignition lock cylinder case (2).
      Fig 4: Removing Key Alarm Connector From Ignition Lock Cylinder Case
      G01490135Courtesy of GENERAL MOTORS CORP.
  9. Remove the 2 tapping screws (2) from the ignition switch assembly (1).
  10. Let the ignition switch assembly (1) hang freely.
    Fig 5: Removing Tapping Screws From Ignition Switch Assembly
    G01490136Courtesy of GENERAL MOTORS CORP.

    Important:  The lock bolt assembly (4) is under slight spring tension from the lock bolt spring (3). Hold the lock bolt (4) in place while removing the ignition lock cylinder case (2).

  11. Remove the 3 pan head tapping screws (1) from the ignition lock cylinder case (2).
  12. Remove the ignition lock cylinder case (2) from the steering column tilt head assembly (5).
  13. Remove the lock bolt assembly (4) from the steering column tilt head assembly (5).
  14. Remove the lock bolt spring (3) from the lock bolt assembly (4).
    Fig 6: Ignition Lock Cylinder Case, Column Tilt Head Assembly, Lock Bolt & Spring
    G01490137Courtesy of GENERAL MOTORS CORP.
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