AT-82 A340E(Others) AUTOMATIC TRANSMISSION - FIRST AND REVERSE BRAKE AT0CD-02 FIRST AND REVERSE BRAKE PISTON ASSEMBLY 1. INSTALL NO.1 BRAKE PISTON (a) Coat the 3 new O-rings with ATF. (b) Install the 2 O-rings on No.1 brake piston. (c) Install the O-ring on the reaction sleeve. (d) Install the No.1 brake piston on the reaction sleeve. O-Ring O-Ring O-Ring AT5376 2. INSTALL REACTION SLEEVE AND NO.1 BRAKE PISTON TO TRANSMISSION CASE With the No.1 brake piston underneath (the rear side), install the brake reaction sleeve and No.1 brake piston to the transmission case. NOTICE: Be careful not to damage the O-rings. Reaction Sleeve No. 1 Brake Piston Q00796 3. INSTALL NO.2 BRAKE PISTON (a) Coat the new O-ring with ATF. (b) Install the O-ring on No.2 brake piston. (c) With the spring seat of the piston upwards (the front side), place the piston in the transmission case. NOTICE: Be careful not to damage the O-rings. No. 2 Piston AT8333 (d) Place the piston return spring onto the No.2 brake piston. Return Spring No. 2 Brake Piston AT5429 705230 4. INSTALL PISTON RETURN SPRING (a) Place SST on the spring retainer and compress the return spring. SST 09350-30020 (09350-07050) (b) Using SST, install the snap ring. SST 09350-30020 (09350-07070) SST Snap Ring D4890 AT3152 705132