GM Service Manual Online
For 1990-2009 cars only

Lock Cylinder Can Be Removed Without Depressing Retainer for Chevrolet Chevy C Silverado - 2WD 1999

Condition

Action

The retainer is faulty.

Replace the lock cylinder.

Refer to Ignition Lock Cylinder Replacement - On Vehicle .

There is a burr over the retainer slot in the housing cover.

Remove the burr.