Od Brake Band

OD brake band is identical in components and procedures as 2nd band clutch with exception of one "O" ring. See Fig 1 . Mazda RX7 does not use a cushion spring in OD brake band. Check spring free length. See OD BRAKE BAND SERVO & ACCUMULATOR SPRING SPECIFICATIONS  table. Test OD servo for operation by applying air pressure. See Fig 2 .

Fig 1: Exploded View Of OD Band Servo

Courtesy of MAZDA MOTORS CORP.

Fig 2: Checking OD Servo Operation

Courtesy of MAZDA MOTORS CORP.