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INPUT CLUTCHES DESCRIPTION Three hydraulically applied input clutches are used to drive planetary components. The underdrive, over- • Input shaft • Input hub • Clutch retainer • Underdrive piston • Overdrive/reverse piston • Overdrive hub • Underdrive hub OPERATION The three input clutches are responsible for driving different components of the planetary geartrain. UNDERDRIVE CLUTCH The underdrive clutch is hydraulically applied in first, second, and third (direct) gears by pressurized Fig. 21 Input Clutch Assembly-Part 1 21 - 194 45RFE AUTOMATIC TRANSMISSION WJ DESCRIPTION AND OPERATION (Continued) |