You will have to drill down the centre of the lock to release it ...the old barrel will only come out if it is in the run position ....then replace with new
CAUTION:Special care must be taken to avoid bumping, jolting or hammering on the steering shaft and gearshift tube.
REMOVAL & INSTALLATION
Disconnect negative battery cable. Remove trim shroud. Remove electrical connector from key warning switch. Turn ignition switch to "RUN" position.
Place a 1/8" diameter pin in the hole located in outer edge of lock cylinder housing. Depress retaining pin, and pull out lock cylinder.
Fig. 1: Typical Column Type Ignition Switch Lock Cylinder Removal On most vehicles, push in to release lock retainer.
Lubricate cylinder cavity with lock cylinder lubricant. Turn ignition switch to "RUN" position. Depress retaining pin and insert it into lock cylinder housing.
Make sure cylinder is fully seated and aligned into interlocking washer before turning key to "OFF" position. Use key to rotate cylinder to make sure of correct mechanical operation in all positions.
Install electrical connector into key warning switch. Connect negative battery cable. Check ignition switch functions and verify that column is locked when switch is in "LOCK" position.
Rotate lock cylinder key to "LOCK" position. Disconnect negative battery cable. On tilt columns, remove upper extension shroud by squeezing at the 6 and 10 o'clock positions, and popping free of the retaining plate at the 3 o'clock position.
Remove 2 shroud halves by removing the 2 attaching screws. On all models, disconnect electrical connector from ignition switch. Drill out the 2 break-off bolt heads holding the ignition switch to lock cylinder with a 1/8" drill bit.
Using a screw extractor, remove bolts. Disengage ignition switch from actuator pin and remove switch.
Rotate ignition key to the "RUN" position. Install switch by aligning the holes on switch casting base with the holes in the lock cylinder housing. Minor movement of the lock cylinder to align the actuator pin with slot in switch carrier may be required.
Install the new break-off bolts and tighten until heads shear off. Connect the electrical connector to the ignition switch. To complete installation, reverse removal procedure.
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Saturday, December 6th, 2008 AT 10:32 PM