2006 Chevrolet Impala Door Lock Cylinder

Remove the front door outside handle, the lock cylinder retainer clip, and the lock cylinder.

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.

Install the lock cylinder to the front door outside door handle, install the lock cylinder retainer clip, and install the front door outside handle.