AT-69 A340E(Others) AUTOMATIC TRANSMISSION - SECOND COAST BRAKE SECOND COAST BRAKE COMPONENTS AX0AG-0A Piston Rod Oil Seal Ring Spring Piston E-Ring Retainer Spring E-Ring Cover Pin E-Ring ♦O-Ring Second Coast Brake Band Snap Ring ♦ Non-reusable part AT5462 SECOND COAST BRAKE DISASSEMBLY AX0AH-0A AT5418 1. REMOVE SECOND COAST BRAKE PISTON OIL SEAL RING Remove the oil seal ring from the piston. AT5260 2. REMOVE SECOND COAST BRAKE PISTON ROD (a) Firmly hold down the piston, then compress the compression spring. (b) Using needle nose-pliers, remove the E-ring.