This original '93 collar (using the 10-cut key) is very loose, causing several annoying problems. With the key in RUN, push a probe up through the small hole in the lower shroud (behind the word "continuous"), depress the catch pin, and withdraw the cylinder assembly from the column.

I had a spare cylinder to put in so I could turn the ignition off while I was working.
New AFTERMARKET 8-cut
lock cylinder set ~$70~100 (3): with black keys (2), black ignition cylinder, stainless door cylinders (2); door cylinders alone (w/keys) are
Standard DL140.
Ford (1L3Z-11582-A) improved 8-cut lock cylinder kit
MotorCraft SW-6383 ~$60 (not the A/C clutch pressure switch with the same number)

StratTec is the OEM for the Ford kit, and its number is
707624 for about half the price. The blank key is
597638 for ~$2.50~6 each.
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