Frozen Lock Cylinder Repair
WARNING: This page is about a different car, the 2004 Chevrolet Monte Carlo and 2004 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
The frozen lock cylinders due to the cold weather may be repaired using the following procedure:
- Apply heat to the cylinder area with a heat gun.
- Hold the shutter door open with a paper clip or similar item and force air into the cylinder using compressed air and a blow gun attachment.
- While holding the shutter door open inject a small amount of multi-purpose lubricant GM P/N 12346241 or equivalent.
- Work the key into the cylinder several times and wipe any excess lubrication residue from the key.