AT-69 A340E (2JZ-GTE) AUTOMATIC TRANSMISSION - FIRST AND REVERSE BRAKE FIRST AND REVERSE BRAKE COMPONENTS AT0EG-02 Plate Flange Transmission Case ◆ O-Ring Disc Snap Ring ◆ O-Ring Return Spring No. 1 Brake Piston Bearing Reaction Sleeve Snap Ring No. 2 Brake Piston ◆ Non-reusable part AT5471 AT0EH-03 FIRST AND REVERSE BRAKE DISASSEMBLY 1. CHECK PISTON STROKE OF FIRST AND REVERSE BRAKE Make sure the first and reverse brake pistons move smoothly when applying and releasing the compressed air into the transmission case. AT5258 2. REMOVE PISTON RETURN SPRING (a) Place SST on the spring retainer and compress the return spring. SST 09350-30020 (09350-07050) (b) Using SST, remove the snap ring. SST 09350-30020 (09350-07070) SST Snap Ring D4890 7/05191