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Home >> Land Rover >> 2017 >> Discovery Sport SE >> Repair and Diagnosis >> Drivelines & Axles >> Driveshaft & Universal Joints >> Four-Wheel Drive Systems - Vehicles With: Active Driveline -- Discovery Sport/L550 >> Four-Wheel Drive Systems - Vehicles With: Active Driveline >> Description And Operation >> Four-Wheel Drive >> Operation >> Rear Drive Unit (RDU)

Rear Drive Unit (RDU)

The RDU is driven by the driveshaft which is connected to the PTU. As the PTU synchronizer is engaged, the driveshaft begins to rotate the stationary components within the RDU. Pressure is then applied to the clutch plates and torque is the transferred to the halfshafts.

The drive flange is connected to a pinion shaft and drive gear, which drives a crown wheel to transfer the direction of drive through 90 degrees through the crown wheel shaft to the outer disc carriers.

The casing has an oil drain plug on its underside, and an oil fill/level plug on the left side.

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