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OPERATION The function of an accumulator is to cushion the application of a frictional clutch element. When pres- DRIVING 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. NOTE: Refer to the “Elements In Use” chart in Diag- Fig. 165 Low/Reverse Accumulator Assembly 1 - ACCUMULATOR PISTON Fig. 166 2/4 Accumulator Assembly 1 - VALVE BODY Fig. 167 Input Clutch Assembly 1 - INPUT SHAFT RS 41TE AUTOMATIC TRANSAXLE 21 - 341 ACCUMULATOR (Continued) |