GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Firebird 🢒 Body and Accessories 🢒 Body Control System 🢒 Ignition Lock Cylinder Replacement - On Vehicle

Removal Procedure

    Object Number: 208241 Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Remove the inflatable restraint coil. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement in Restraints.

    3. Object Number: 363517 Size: SH
  3. Insert the ignition key into the lock cylinder.

    4. Leave the key in the LOCK position.


    Object Number: 363518 Size: SH
  4. Remove the lock retaining screw (2).
  5. Remove the lock cylinder (1) and harness (4), perform the following:
    6. • Disconnect the terminal connector from the bulkhead connector.
    • Remove the wiring protector.
    • Disconnect the retaining clip (3) from the lock housing cover sleeve.
    • Gently pull wire harness (4) through the column.
    • Remove the lock cylinder (1) from the vehicle.

Installation Procedure

    Object Number: 363518 Size: SH
  1. Install the lock cylinder (1) and harness (4), perform the following:
    2. • Install the lock cylinder (1) to the vehicle.
    • Gently pull wire harness (4) through the column.
    • Connect the retaining clip (3) to the lock housing cover sleeve.
    • Install the wiring protector.
    • Connect the terminal connector to the bulkhead connector.
  2. Install the lock retaining screw (2).

    3. Tighten
    Tighten the lock retaining screw to 2.5 N·m (22 lb in).


    Object Number: 363517 Size: SH
  3. Remove the ignition key from the lock cylinder.
  4. Install the inflatable restraint coil. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement in Restraints.

    5. Object Number: 208241 Size: SH
  5. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.