Component Description

Power Transfer Unit (PTU) 

The power transfer unit is a gearbox attached to the transmission, that allows drive torque to be fed via a driveshaft to the rear axle via the RDU. For more information on the power transfer unit, Refer to: Power Transfer Unit .

RDU Actuator motor 

The RDU clutch actuation motor is a brushless DC motor located on the RDU. The motor is commanded by the AWD module and is used to actuate the multi-plate clutch pack within the RDU which in turn engages the rear drive axles. Refer to: Rear Drive Axle and Differential - System Operation and Component Description .