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Home >> Jeep >> 2007 >> Commander Base, 4.7 P, AWD >> Repair and Diagnosis (Single Page) >> Transmission >> Transmission Control Systems >> 545RFE Automatic Transmission (Service Information) >> 545RFE - Service Information >> Assembly-Input Clutch >> Operation >> Input Clutch Assembly >> UNDERDRIVE Clutch
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UNDERDRIVE Clutch

The underdrive clutch is hydraulically applied in first, second, second prime, and third (direct) gears by pressurized fluid against the underdrive piston. When the underdrive clutch is applied, the underdrive hub drives the input sun gear.

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