AT/Automatic Transmission, page 81

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)