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Ignition Switch: Removal

WARNING: This page is about a different car, the 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, 2001 Chevrolet Monte Carlo, and 2001 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Door, trunk and ignition are operated by one key. If procedure requires ignition switch lock cylinder to be replaced, new ignition switch lock cylinder should be recorded to old key.
NOTE: Passlock™ sensor is an integral part of ignition switch assembly.
  1. Disconnect negative battery cable. Remove access cover from left instrument panel fuse block. Release left instrument panel insulator tabs from lower instrument panel trim pad retainers for access. Remove bolts from steering column filler panel. Release steering column filler panel retainers from instrument panel lower trim panel. Carefully lower panel away from instrument panel lower trim panel. Disconnect electrical connector from rear compartment release switch. Remove rear compartment release switch. Remove steering column filler panel. See Figure.
  2. Remove bracket bolts from instrument panel driver knee bolster. See Figure. Remove bracket bolts from instrument panel knee bolster at instrument carrier. Remove knee bolster bracket.
  3. Remove instrument panel cluster trim plate. See INSTRUMENT PANEL CLUSTER TRIM PLATE . Remove ignition switch retaining bolts. See Figure. Lower ignition switch away from instrument carrier.
  4. Insert key into ignition switch and turn to RUN position. If ignition switch lock cylinder rotates, go to step  8. If ignition switch lock cylinder will not rotate or is seized, go to next step.
  5. Protect immediate work area with clean shop towels or a clean fender cover. Locate surface for ignition switch lock cylinder release button (2) on plastic ignition switch housing and center punch a location (1) on rib approximately 3/8 inch toward key entry end from cylinder release button. See Figure.
  6. Carefully drill a pilot hole through plastic housing with a 1/8 inch drill bit. Carefully drill a larger hole at pilot location, and slightly into ignition switch lock cylinder surface to break release button retaining spring using a 9/32 inch drill bit. Remove portions of broken spring from hole using a small suitable tool.
  7. Grasp ignition switch lock cylinder and remove it from switch housing. Remove any plastic from drilling operation, and using compressed air blow out ignition switch assembly. Go to next step.
    8. NOTE: The Passlock™ electrical connector cannot be removed until lock cylinder is removed.
  8. Depress transaxle park/lock cable retainer to release. Pull to remove park/lock cable from ignition switch. Depress detent on bottom of ignition switch in order to release ignition lock cylinder. Remove ignition lock cylinder with key. Disconnect Passlock™ electrical connector. Disconnect electrical connectors.
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