FMX Transmission parts, repair guidelines, problems, manuals

Transmission general data

The FMX is a fully automatic 3-speed gearbox, ensuring automatic up-shifts and down-shifts via the 3-forward gear ratios. This gearbox also includes manual selection of first and second gears. It is reported that FMX combines in itself the best features of MX and FX modifications.

Number of gearsTransmission TypeDriveTorque (Nm)ATF (full capacity) LATF (change) LATF type
3ATRWD10,45Type F

Technical issues and repair guidelines

This is a hydraulically controlled RWD gearbox. In terms of design this unit is close to BW8 and BW12, but spare parts are not interchangeable. FMX consists of the following main components: torque converter, oil pump, input shaft, rear-clutch, front-clutch, compound planetary gear set, rear band, one-way clutch, rear support-oil distributor and parking gear, governor, output shaft, vacuum diaphragm, control valve body, front band. This automatic gearbox was used during 1968-81 in many Ford cars.