Buick LeSabre 1965 Service Manual page 616

1 0 - 4 6 IGNITION SWITCH
ELECTRICAL SYSTEMS
cylinder insert key, place cylin-
der in switch slightly counter-
clockwise from the accessory
position, press inward and turn
cylinder clockwise. See Figure
10-51.
c. Ignition Switch Replacement
1. Disconnect b a t t e r y ground
cable to avoid a possible short
circuit.
2. Remove lock c y l i n d e r
(subpar. b).
3. Remove ignition switch nut
with Wrench J-8562.
4. Unplug wiring connector from
switch.
5. Install switch by reversing
above procedure.
d. Removal of Lock Cylinder
Which Cannot be Unlocked
with Key
When ignition switch fails to un-
lock with the proper key, and lock
has previously been operating
satisfactorily, the lock cylinder
can be removed as follows:
Figure 10-51—Ignition Switch
1. Draw a centerline on cylinder
at 90° to left side of key slot,
insert key, and make a prick
punch mark on centerline 3/8"
from side of key. Carefully drill
a .0465 hole (No. 56 drill) through
cylinder flange at this point.
2. File the end of a stiff wire
(paper clip) to a taper. Insert
this end of wire in drilled hole
to pry the cage bar assembly
down so that lock cylinder can be
turned. After turning cylinder
slightly, remove the wire to
avoid wedging, then remove lock
cylinder in the regular manner
(subpar. b, above).
3. Stake cage bar in place at four
points. Staking must not distort
cage. Reinstall lock cylinder and
check operation with key. If oper-
ation is satisfactory, plug the
drilled hole with a small pin No.
00 x 1/8" (Parker Kalon type
"U").