AT-53 A340E (2JZ-GTE) AUTOMATIC TRANSMISSION - FORWARD CLUTCH D4837 3. REMOVE FLANGE, PLATES AND DISCS (a) Using a screwdriver, remove the snap ring from the forward clutch drum. (b) Remove the flange, 7 plates and 7 discs. SST SST AT5166 4. REMOVE PISTON RETURN SPRING (a) Place SST on the spring retainer and compress the return spring with a shop press. SST 09350-30020 (09350-07040) (b) Using SST, remove the snap ring. SST 09350-30020 (09350-07070) AT5167 (c) Remove the piston return spring. AT5368 5. REMOVE FORWARD CLUTCH PISTON (a) Place the forward clutch drum onto the O/D support. (b) Hold the forward clutch piston with hand, apply compressed air to the O/D support to remove the forward clutch piston. (c) Remove the forward clutch piston. O-Ring AT7824 6. REMOVE 2 O-RINGS FROM PISTON