Econoline E550 V8-7.3L DSL Turbo VIN F (2002)
Band Apply Servo: Service and Repair
4R70W
Overdrive Servo
Overdrive Servo
Special Tools
Special Tool(s)
Removal
1. Remove the main control valve body.
2. 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.
Using the special tool, compress the servo spring to remove the overdrive servo retaining ring.
3. Remove the overdrive servo piston and return spring.
Installation