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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 737 (Instrument Panel, Gauges & Console) >> Repair Instructions >> Ignition Switch Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable.
  2. Disable the SIR system. Refer to DISABLING SYSTEM in SIR
  3. With a small flat-bladed tool remove the ignition switch trim ring from ignition switch.
  4. Remove the accessory trim plate from the IP carrier. Refer to Trim Plate Replacement - IP Accessory  .
  5. Remove the upper steering column trim cover from the steering column. Refer to TILT LEVER .
  6. Remove the instrument cluster trim plate from the IP carrier. Refer to Trim Panel Replacement - IP Cluster  .
    Fig 1: Locating Ignition Switch Bolts
    G01779867Courtesy of GENERAL MOTORS CORP.
  7. Remove the instrument panel cluster from the IP carrier. Refer to Instrument Panel Cluster (IPC) Replacement  .
  8. Remove the ignition switch bolts from the ignition switch.
  9. Disconnect the electrical connectors from the ignition switch.
  10. Insert the key into the ignition switch lock cylinder. Rotate the key to the "ON" position.
    Fig 2: Disconnecting Ignition Switch Electrical Harness
    G01779868Courtesy of GENERAL MOTORS CORP.

    Important:  Ignition switch lock cylinder that won't rotate or is seized.

  11. Perform the following steps below if ignition switch lock cylinder is seized or won't rotate.
    1. 11.1. Protect the immediate work area with suitable material such as clean shop towels or a clean fender cover.
    2. 11.2. Locate the surface for the ignition switch lock cylinder release button (2) on the plastic ignition switch housing and center punch a location on the "rib"(1) approximately 3/8 inch reward (toward the key entry end) from the cylinder release button.
      3. Fig 3: Locate Surface For Ignition Switch Lock Cylinder Release Button
      G01779869Courtesy of GENERAL MOTORS CORP.
    3. 11.3. Carefully drill a pilot hole through the plastic housing with a 1/8 inch drill bit.
    4. 11.4. Carefully drill a larger hole at the pilot location, and slightly into the ignition switch lock cylinder surface to break the release button retaining spring using a 9/32 inch drill bit.
    5. 11.5. Remove portions of the broken spring from the hole using a small suitable tool.
    6. 11.6. Grasp the ignition switch lock cylinder and remove it from the switch housing.
    7. 11.7. Remove any plastic "flash" from the drilling operation, and using compressed air blow out the ignition switch assembly.
    8. 11.8. Follow service manual procedures when cylinder recoding is required.
  12. Depress the transaxle park/lock cable retainer to release, then pull to remove the park/lock cable from the ignition switch.
    Fig 4: Depressing Transaxle Park/Lock Cable Retainer
    G01779870Courtesy of GENERAL MOTORS CORP.
  13. Press the ignition switch lock cylinder release plunger. The release plunger is located at the four o'clock position on the ignition switch housing.
  14. Use the key in order to pull the ignition switch lock cylinder from the ignition switch housing.
    Fig 5: Removing Ignition Switch Lock Cylinder
    G01779871Courtesy of GENERAL MOTORS CORP.
  15. Disconnect the Pass Key electrical connector from the ignition switch housing.
  16. Remove the ignition switch from the vehicle.
    Fig 6: Removing Ignition Switch
    G01779872Courtesy of GENERAL MOTORS CORP.
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