Overdrive

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





1. Install the overdrive servo piston assembly.
1 Install the overdrive servo piston returns spring.
2 Install the overdrive servo piston assembly.





2. Use the special tool to install the overdrive servo piston retaining ring.
3. Install the main control valve body.