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Home >> Cadillac >> 2004 >> Seville >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays, Gauges And Console >> Repair Instructions >> Ignition Switch Lock Cylinder Replacement (RHD) >> Removal Procedure

Removal Procedure

    CAUTION: Refer to SIR Caution in Cautions and Notices.
  1. Disable the SIR. Refer to SIR Disabling and Enabling Zone 9 in SIR.
  2. Apply the parking brake.
  3. Disconnect the negative battery cable, in order to maintain the key code. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  4. Remove the right instrument panel (I/P) outer trim cover. Refer to Instrument Panel (I/P) Outer Trim Cover Replacement .
  5. Insert the ignition key into the ignition cylinder.
    6. IMPORTANT: A new lock cylinder housing and lock cylinder bezel will be required if the ignition cylinder is seized or the ignition key is lost or broken.
  6. If the keys are unavailable or the ignition lock cylinder is seized, proceed with the following steps:
    1. Pry the ignition lock cylinder bezel off of the ignition switch.
    2. Remove the knee bolster. Refer to Knee Bolster Replacement .
    3. Disconnect the ignition switch electrical connectors.
    4. Remove the fasteners securing the ignition switch to the I/P retainer.
    5. Remove the ignition switch through the radio opening.
    6. Protect the immediate work area with suitable materials such as clean shop towels or a clean fender cover.
      7. Fig 1: Identifying Cylinder Release Button & Center Punch on the Rib
      GM762724Courtesy of GENERAL MOTORS CORP.
    7. Locate the ignition switch lock cylinder release button (2) on the plastic ignition switch housing.
    8. Center punch on the rib (1) approximately 3/8 inch toward the key entry end of the ignition lock housing.
    9. Drill a pilot hole through the plastic housing, where the housing had been center punched in the previous step, with a 1/8 inch drill bit.
    10. Drill the larger hole at the pilot location, and slightly into the ignition switch lock cylinder surface to break the release button retaining spring using a 1/4 inch drill bit.
    11. Use a magnet and remove the lock cylinder release button (2).
    12. Grasp the ignition switch lock cylinder and remove it from the switch housing.
    13. Remove any plastic flash from the drilling operation. Using compressed air, blow out the ignition switch assembly and proceed to step 10.
    7. Fig 2: Identifying Ignition Lock Cylinder Release Button & Ignition Switch Assembly
    GM751050Courtesy of GENERAL MOTORS CORP.
  7. Turn the ignition to the RUN position.
  8. Look through the I/P outer trim cover opening and locate the ignition lock cylinder release button (3), located on the right lower side of the ignition switch assembly (2).
  9. Using a flat-bladed tool, depress and hold the ignition lock cylinder release button.
    10. Fig 3: View of Ignition Lock Cylinder
    GM711095Courtesy of GENERAL MOTORS CORP.
  10. Pull on the ignition cylinder in order to remove the ignition lock cylinder.
    11. Fig 4: View of Ignition Cylinder Lock Cylinder Bezel
    GM291677Courtesy of GENERAL MOTORS CORP.
  11. Release the ignition cylinder lock cylinder bezel retaining tabs.
  12. Remove the ignition lock cylinder bezel from the ignition lock cylinder.
    13. Fig 5: Identifying Light Pipe & Reader/Exciter
    GM291678Courtesy of GENERAL MOTORS CORP.
  13. Remove the light pipe (2) from the lock cylinder.

    Slide the reader/exciter (4) off of the ignition lock cylinder.

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