Product Details

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The Aisin AW-55-50SN, AW55-51SN, AF23 AF33-5, FA57 RE5F22A is a fully-automatic, five speed, electrically controlled, front-wheel drive transmission. This transmission is currently used by many different vehicle manufacturers, among them are; GM, Infiniti, Nissan, Saab, Saturn, Suzuki, Volvo Lancia, Opel, and Renault. In the GM, Saturn and Suzuki vehicles, the transmission is known as the AF23/33-5. In Saab vehicles it's designated FA 57. Nissan and Infiniti call it the RE5F22A, and in a Volvo it's known as the AW55-50/51SN. This transmission contains three planetary gear sets, three driving friction elements, five holding friction elements (one of which is a servo applied band), two sprigs, and a torque converter, which contains a clutch assembly for increased fuel efficiency. The three planetary gear sets provide five forward speeds and one reverse speed. Gear ratio change is fully automatic and controlled through the Transmission Control Module (TCM). The TCM monitors and receives inputs from various electronic sensors, then uses the information to control shift timing, clutch apply control, line pressure control, and torque converter clutch application. This manual will contain overhaul information pertaining to the AF23/33-5, AW55- 50/51SN, and RE5F22A transmission.