Overdrive Servo

Special Tools:

Removal
1. Remove the 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.





2. 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





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





2. Use (A) Servo Piston Remover/Replacer Tool to install the (B) overdrive servo piston retaining ring.
3. Install the main control valve body.