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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 975 (Steering Wheel And Steering Column) >> Repair Instructions >> Ignition Lock Cylinder Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery) or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) in Engine Electrical.
    2. CAUTION: Refer to SIR Caution in Cautions and Notices.
  2. Disable the SIR system. Refer to SIR Disabling and Enabling Zone 3 in SIR.
  3. Lower the hush and knee bolster. Refer to Knee Bolster Replacement in Instrument Panel, Gauges, and Console.
  4. Remove the steering column trim covers. Refer to Steering Column Trim Covers Replacement .
  5. With the key installed, turn the key to the RUN position.
  6. Install an allen wrench into the hole on top of the lock cylinder housing.

    Push down on the allen wrench to release the tab on the lock cylinder inside the lock cylinder housing.

    Fig 1: Releasing/Installing Lock Cylinder Using Allen Wrench
    GM1413814Courtesy of GENERAL MOTORS CORP.
    7. Fig 2: View Of Lock Cylinder At Lock Cylinder Housing
    GM1413837Courtesy of GENERAL MOTORS CORP.
  7. Slide the lock cylinder out of the lock cylinder housing.
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