Econoline E150 1/2 Ton V8-5.4L SOHC VIN L (1999)
Band Apply Servo: Service and Repair
4R70W
Overderive Servo
Special Tools
Removal
1. Remove the main control valve body.
2. NOTE: If 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.
Use (A) Servo Piston Remover/Replacer to compress the servo spring then remove the (B) overdrive servo retaining ring.
3. Remove the (A) overdrive servo piston and the (B) overdrive servo piston return spring.
Installation
