Sounds like it needs to be replaced.
IGNITION LOCK CYLINDER REPLACEMENT
Removal Procedure
CAUTION: Refer to BATTERY DISCONNECT CAUTION.
Disconnect the battery negative cable. Refer to BATTERY NEGATIVE CABLE
DISCONNECT/CONNECT PROCEDURE.
1.
CAUTION: Refer to SIR CAUTION.
2. Disable the SIR system. Refer to DISABLING & ACTIVATING AIR BAG SYSTEM.
Remove the steering column trim covers. Refer to Steering Column Trim Covers
Replacement.
3.
4. Turn the ignition lock cylinder to the start position.
Fig. 49: Locating Access Hole Of Ignition Lock Cylinder
Courtesy of GENERAL MOTORS CORP.
5. Insert the tip of an awl into the access hole (1) of the ignition lock cylinder.
6. Push down and hold the retaining pin of the ignition lock cylinder.
7. Release the ignition lock cylinder to the run position.
8. Remove the ignition lock cylinder by pulling the cylinder away from the steering column.
Fig. 50: Removing Ignition Lock Cylinder From Steering Column
Courtesy of GENERAL MOTORS CORP.
Installation Procedure
1. Install the ignition lock cylinder by performing the following procedure:
1.1. Align the positioning locking tab slot on the lock module to the positioning tab on
the ignition lock cylinder.
1.2. Push the lock cylinder in until the tab locks in the lock module.
Install the steering column trim covers. Refer to Steering Column Trim Covers
Replacement.
2.
3. Enable the SIR system. Refer to DISABLING & ACTIVATING AIR BAG SYSTEM.
Connect the battery negative cable. Refer to BATTERY NEGATIVE CABLE
DISCONNECT/CONNECT PROCEDURE.
4.
Perform the Passlock learn procedure. Refer to PROGRAMMING THEFT DETERRENT
SYSTEM COMPONENTS.
5.
Fig. 51: Installing Ignition Lock Cylinder
Image (Click to make bigger)
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Wednesday, November 23rd, 2011 AT 2:08 AM
