Overdrive Servo: Removal

With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING & LIFTING 2005 JACKING & LIFTING 2006 .
Remove the main control valve body. For additional information, refer to MAIN CONTROL VALVE BODY .

NOTE: If the tool is not available, extreme care must be taken. Spring pressure will force overdrive servo piston assembly out of case. Case bore damage may result from trying to pry on overdrive servo internal retaining ring.

Fig 1: Removing Overdrive Servo Retaining Ring

Courtesy of FORD MOTOR CO.

Using the special tool, compress the servo spring to remove the overdrive servo retaining ring.
Remove the overdrive servo piston and return spring.

Fig 2: Locating Overdrive Servo Piston
Courtesy of FORD MOTOR CO.