AUTOMATIC TRANSMISSION — Component Groups (Transmission Case and Rear Brake Pistons) AT-81 3. REMOVE OUTER PISTON AND REACTION SLEEVE WITH COMPRESSED AIR (a) Remove the adapter. (b) Place several clean shop rags on the piston to catch the piston and sleeve. To pop them out, apply com- pressed air to the outer and inner piston oil holes. If the piston and sleeve do not pop out with the compressed air: (c) Using needle-nose pliers, lift out the piston from the case. (d) Insert two long hooks behind the reaction sleeve and gradually lift it out of the case. (e) Using hooks, lift the inner piston out of the case in the same manner. 4. REMOVE O-RINGS FROM OUTER AND INNER PISTONS AND REACTION SLEEVE INSPECTION OF CASE COMPONENT GROUP REPLACEMENT OF MANUAL SHAFT OIL SEALS (a) Remove the manual shaft oil seals with a screwdriver. (b) Drive in new left and right oil seals with SST. SST 09350-20013 (09361-30011)