Band Apply Servo: Service and Repair

Disassembly
1. Remove the spring.
2. Remove the band servo piston O.D.
3. While compressing the retainer from above, remove the snap ring. Then remove the retainer, spring and stem.
4. Take out the band servo piston.

Assembly

Note:
- Many different O-rings and lathe cut rings are used. Be careful not to confuse them during assembly.
- Be careful not to damage O-rings and lathe cut rings.

1. Install the band servo piston to the retainer, and insert the stem.
2. Put the spring and retainer on the piston. Fit the snap ring securely while compressing the spring.
3. Install the band servo piston O.D.
4. Install the spring securely to the band servo piston.