AT-19 A340E (2JZ-GTE) AUTOMATIC TRANSMISSION - COMPONENT PARTS REMOVAL SST AT5282 AT5147 AT5109 AT5283 AT5148 25. CHECK PISTON STROKE OF OVERDRIVE BRAKE (a) Place SST and dial indicator onto the overdrive brake piston. SST 09350-30020 (09350-06120) (b) Measure the stroke while applying and releasing compressed air (392-785 kPa, 4-8 kgf/cm2 or 57-114 psi). Piston stroke: 1.75-2.05 mm (0.0689-0.0807 in.) If the values are non-standard, inspect the discs. 26. REMOVE FLANGES, PLATES AND DISCS OF OVERDRIVE BRAKE (a) Remove the snap ring. (b) Remove the flange, 5 plates and 5 discs. 27. REMOVE OVERDRIVE SUPPORT ASSEMBLY (a) Remove the 2 bolts holding the overdrive support assembly to the case.