The cylinder must be rotated back to OFF before rotating forward past START to disassemble it from its housing.
New
lock cylinder set ~$70~100 (3): with black keys (2), black ignition cylinder, stainless door cylinders (2)
Ford (1L3Z-11582-A) improved 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.
