Overdrive Servo
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2002 Mercury Grand Marquis, 2002 Lincoln Town Car, 2002 Ford Crown Victoria, 2001 Mercury Mountaineer, and 2001 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
Apply air pressure to overdrive servo apply passage. Operation of band is indicated by tightening of band around reverse clutch drum. A thud can be felt on servo cover when servo returns to released position as a result of spring force from release spring. Band will then relax.