AT-36 A340E (2JZ-GTE) AUTOMATIC TRANSMISSION - OVERDRIVE DIRECT CLUTCH AT5188 3. CHECK PISTON STROKE OF OVERDRIVE DIRECT CLUTCH (a) Place the oil pump onto the torque converter clutch, and then place the O/D direct clutch assembly onto the oil pump. SST AT5189 (b) Using SST and a dial indicator, measure the O/D direct clutch piston stroke while applying and releasing compressed air (392-785 kPa, 4-8 kgf/cm2 or 57-114 psi). SST 09350-30020 (09350-06120) Piston stroke: 1.45-1.70 mm (0.057-0.067 in.) If the values are non-standard, inspect the discs. AT5270 4. REMOVE FLANGE, PLATES AND DISCS (a) Using a screwdriver, remove the snap ring from the O/D direct clutch drum. AT5190 (b) Remove the flange, 2 plates and 2 discs. SST SST AT5204 5. 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)