Removal & Installation (Cougar, Mustang, Tempo, Thunderbird & Topaz)
- Disconnect battery ground cable. Remove steering wheel. See STEERING WHEEL under REMOVAL & INSTALLATION. On all models except Mustang with tilt wheel, remove column end shroud by unsnapping shroud from retaining clip at 9-o'clock position of shroud.
- On all models, remove upper and lower shrouds. Disconnect key warning switch electrical connector. Using a 1/8" (3.17 mm) drill bit, drill out retaining pin located below lock cylinder on housing. DO NOT drill deeper than 1/2" (12.7 mm).
- Using a hammer and chisel, break end cap away from lock cylinder. Using a 3/8" (9.5 mm) drill bit, drill down middle of lock cylinder key slot about 1 3/4" until lock cylinder breaks loose from housing.
- Remove retainer, washer and lock cylinder gear from housing. Remove metal shavings from lock cylinder bore in housing. Replace housing if damaged due to drilling operation or other reasons. See LOCK CYLINDER HOUSING under REMOVAL & INSTALLATION in STEERING COLUMN article in the STEERING Section. To install, reverse removal procedure. Check AIR BAG light for system faults.