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Torque Converter: Description: Description: Impeller

Fig 1: Impeller
GC0081302Courtesy of CHRYSLER LLC
1 - ENGINE FLEXPLATE 4 - ENGINE ROTATION
2 - OIL FLOW FROM IMPELLER SECTION INTO TURBINE SECTION 5 - ENGINE ROTATION
3 - IMPELLER VANES AND COVER ARE INTEGRAL

The impeller is an integral part of the converter housing. The impeller consists of curved blades placed radially along the inside of the housing on the transmission side of the converter. As the converter housing is rotated by the engine, so is the impeller, because they are one and the same and are the driving members of the system.