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Home >> Chevrolet >> 2001 >> C3500 HD 6.5 F, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Steering Column Switches >> Steering Wheel And Steering Column - Tilt >> Repair Instructions >> Ignition and Key Alarm Switch Assembly - Disassemble - Off Vehicle >> Removal Procedure

Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Auxiliary Battery) , Battery Negative Cable Disconnection and Connection (Single Battery) in Engine Electrical.
  2. CAUTION:

    Refer to SIR Caution in Cautions and Notices.

  3. Disable the SIR system. Refer to Disabling the SIR System in SIR.
  4. Remove the hush and knee bolster. Refer to Knee Bolster Replacement (Luxury) , Knee Bolster Replacement (Non-Luxury) in Instrument Panel.
  5. Remove the steering column trim covers. Refer to Steering Column Trim Covers - Disassemble - Off Vehicle (Column Shift) , Steering Column Trim Covers - Disassemble - Off Vehicle (Column Shift Snap On Shrouds) , Steering Column Trim Covers - Disassemble - Off Vehicle (Floor Shift) .
  6. With the key installed, turn the key to the RUN position.
  7. Fig 1: Releasing/Installing Lock Cylinder Using Allen Wrench
    GM1413814Courtesy of GENERAL MOTORS COMPANY
  8. 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.

  9. Fig 2: View Of Lock Cylinder At Lock Cylinder Housing
    GM1413837Courtesy of GENERAL MOTORS COMPANY
  10. Slide the lock cylinder out of the lock cylinder housing.
  11. Disconnect the passlock and key buzzer from the lock cylinder housing.
  12. Fig 3: Inserting J 42759 Into The Lock Cylinder Housing To Release The Tabs On The Ignition Switch
    GM1413831Courtesy of GENERAL MOTORS COMPANY
  13. Insert J-42759  into the lock cylinder housing to release the tabs on the ignition switch.
  14. Pull the ignition switch out of the lock cylinder housing.
  15. Disconnect the connector from the ignition switch.