Hydra-Matic 440-T4 (4T60 & 4T60E)

Fig. 8, 1-2 and reverse servo assembly:

1. Disconnect exhaust crossover pipe.
2. Depress servo cover, then remove snap ring and servo cover.
3. Remove servo piston, sealing ring, apply pin and servo spring, Fig. 8.
4. Reverse procedure to install.