Overdrive Servo Assembly

REMOVAL
1. Remove valve body.
2. Compress overdrive servo piston cover with a suitable tool, then remove snap ring retainer.
3. Using servo piston removal tool No. T80L-77030-B or equivalent, apply compressed air to servo piston release passage and remove the overdrive servo piston cover and spring. Remove piston from cover, then the rubber seal from piston and cover.

INSTALLATION
1. Install new servo piston and cover seals on the servo piston and cover.
2. Lubricate all seals, piston, and piston bore with transmission fluid.
3. Install servo piston into cover, then the return spring into servo piston.
4. Install overdrive piston assembly into overdrive servo bore.
5. Compress overdrive piston using suitable tool, then install snap ring retainer.
6. Install valve body, filter, pan, and gasket. Refill transmission to proper fluid level.