Try spraying a little WD40 down the lock. Then turn steering wheel left and right while turning the key. This sometimes works. If not you will have to replace the lock tumbler. Here are diagrams to help you do the job Below.
Removal & Installation (With Key)
Disconnect negative battery cable. Set ignition switch to RUN position. Insert an 1/8" drill bit or wire through access hole in trim steering column trim (below lock cylinder). Press retaining pin inward and pull out lock cylinder. To install, lubricate lock cylinder. Turn lock cylinder to RUN position. Press retaining pin inward and insert lock cylinder into housing. To continue installation, reverse removal procedure.
Removal (Without Key)
Use procedure to remove ignition lock cylinder if key is missing or cylinder is frozen. Disconnect negative battery cable. Remove steering wheel. See STEERING WHEEL. Using pliers, twist cap until it separates from ignition lock cylinder.
Using 1/8" drill bit, drill out lock cylinder retaining pin. Using a 3/8" drill bit, drill down the middle of the ignition lock cylinder key slot until ignition switch lock cylinder breaks loose. Remove ignition lock cylinder and clean shavings from lock cylinder housing. Remove bearing retainer, bearing and gear. Carefully inspect housing for damage. Replace housing as necessary.
Installation (Without Key)
Install gear, bearing and retainer. Lubricate cylinder cavity. Rotate lock cylinder to RUN position. Press retaining pin inward and insert new lock cylinder into lock cylinder housing.
Before rotating key to OFF position, ensure cylinder is fully seated and aligned. Use key to rotate cylinder to ensure mechanical operation is okay in all positions.
Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
Images (Click to enlarge)
Tuesday, December 16th, 2008 AT 6:57 PM