For 1990-2009 cars

## Ignition Lock Cylinder Replacement - On Vehicle With Key

### Removal Procedure

Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

1. Disconnect the negative battery cable.
2. Disable the supplemental inflatable restraint (SIR) system. Refer to Disabling the SIR System in SIR.
3. Remove the three screws from the lower left insulator panel.
4. Remove the lower left insulator panel.
5. Disconnect 2 yellow 2-way SIR connectors.
6. Remove the tilt lever. Refer to Tilt Lever Replacement - On Vehicle in Steering Wheel and Column - Tilt.
7. Remove 3 Torx® screws (4) from the trim covers. (Pontiac and Oldsmobile shown, Buick similar)
8. Remove the upper steering column trim cover (1).
9. Remove the lower steering column trim cover (5).
10. Turn the ignition lock cylinder (6) to the RUN position.
11. Push down and hold the ignition lock cylinder locking button on the rear of the bearing and housing assembly.
12. Remove the ignition lock cylinder by pulling the ignition lock cylinder (6) away from the steering column.

### Installation Procedure

1. Install the ignition lock cylinder (6) into the steering column:

1.1. | Turn the lock cylinder to the RUN position.

1.2. | Push in the lock cylinder while rotating the key approximately 5 degrees in the counterclockwise direction.

2. Install the upper steering column cover (1) and the lower steering column cover (5) with 3 Torx® head screws (4).
3. Install the tilt lever. Refer to Tilt Lever Replacement - On Vehicle in Steering Wheel and Column - Tilt.
4. Connect 2 yellow 2-way SIR connections.
5. Install the lower left insulator panel with 3 screws.
6. Enable the SIR system. Refer to Enabling the SIR System in SIR.
7. Connect the negative battery cable.
8. Perform the Passlock Learn Procedure. Refer to Vehicle Theft Deterrent (VTD) Operation in Theft Deterrent.

## Ignition Lock Cylinder Replacement - On Vehicle Lost Key, or Key Code Unavailable

### Removal Procedure

#### Tools Required

J 41253 Lock Retaining Spring Remover

1. Remove the steering column from the vehicle. Refer to Steering Column Replacement .
2. Drill the back of the lock cylinder housing assembly using a 7 mm (9/32 in) drill.
3. Insert a J 41253 into the hole in order to engage the lock retainer spring (1), if needed.
4. Twist the tool in order to remove the retainer spring (1).
5. Hold the steering column in a vertical position. Tap on the housing assembly in order to dislodge the lock retainer (2) and clear the metal shavings.
6. Use needle nose pliers to remove the retainer from the housing assembly.
7. Clean all the debris and the metal shavings from the drilled hole and from inside the housing assembly.

### Installation Procedure

1. Code the new lock cylinder. Refer to Key and Lock Cylinder Coding in General Information.
2. Install the new lock cylinder into the steering column:

2.1. | Install the key into the lock cylinder (6).

2.2. | Verify that the key is in the RUN position.

2.3. | Align the locking tab with the slot in the housing assembly.

2.4. | Push the lock cylinder (6) into position.

3. Install the steering column to the vehicle. Refer to Steering Column Replacement .
4. Perform the Passlock Learn Procedure. Refer to Vehicle Theft Deterrent (VTD) Operation in Theft Deterrent.