Band Apply Servo: Service and Repair

Automatic Transmission - 4R100

Intermediate Servo





Material

Removal
1. Remove the main control valve body.





2. WARNING: The intermediate servo is under spring pressure, care should be taken when removing it. It could cause bodily harm.

NOTE: Gently tap on the servo cover with a rubber mallet to compress and allow servo assembly to pop up.

Remove the intermediate servo.

Installation





1. NOTE: Lubricate the servo seal with clean automatic transmission fluid.

Install the intermediate band servo.
2. Install the main control valve body.