AT-70 A340E (2JZ-GTE) AUTOMATIC TRANSMISSION - FIRST AND REVERSE BRAKE 3. REMOVE NO.2 BRAKE PISTON (a) Hold No.2 brake piston with hand, apply compressed air to transmission case to remove No.2 brake piston. HINT: If the piston does not pop out with compressed air, lift the piston out with needle-nose pliers. (b) Remove the O-ring from No.2 brake piston. AT4446 4. REMOVE REACTION SLEEVE (a) Using SST, remove the reaction sleeve. SST 09350-30020 (09350-07080) (b) Remove the O-ring from the reaction sleeve. SST Reaction Sleeve D4891 Z05192 5. REMOVE NO.1 BRAKE PISTON (a) Using SST, remove the No.1 brake piston. SST 09350-30020 (09350-07090) (b) Remove the 2 O-rings from the No.1 piston. SST No. 1 Brake Piston D4892 Z05193 FIRST AND REVERSE BRAKE INSPECTION AT0EJ-04 1. CHECK DISC, PLATE AND FLANGE Check to see if the sliding surface of the disc, plate and flange are worn or burnt. If necessary, replace them. HINT: ★ If the lining of the disc is peeling off or discolored, or even if a part of the printed numbers are defaced, replace all discs. ★ Before assembling new discs, soak them in ATF for at least 15 minutes. Printed Number AT6460 2. CHECK PISTON RETURN SPRING Check the return spring free length together with the spring seat. Standard free length: 12.9 mm (0.508 in.) Spring Seat D4468 Z06869