Lincoln Nautilus: Rear Drive Axle/Differential / Rear Drive Axle and Differential - Overview. Description and Operation

Lincoln Nautilus 2018-2025 Service Manual / Chassis / Driveline / Rear Drive Axle/Differential / Rear Drive Axle and Differential - Overview. Description and Operation

The RDU is available with 2.58 drive ratio.

Rear Drive Axle and Differential

The rear drive axle and differential unit (RDU ) is a cast aluminum differential assembly located in the rear of the vehicle consisting of the following components:

Crown wheel and pinion
An electrically activated and mechanically engaged clutch pack acting on the rear drive axles, that applies or removes torque from the RDU to the rear axles when commanded

When commanded by the AWD the RDU Clutch synchronizes the drive shaft speed with the rear wheel speed and allows drive torque from the PTU (Power Transfer Unit) to be fed to the rear axles.

The RDU system consists of the following components:

RDU actuator motor
Spur and idler gear
Ball ramp drive plate
Ball ramp driven plate
Drive shaft coupling (Plunge style joint companion flange)
Drive shaft speed sensor
Rear differential carrier and inner or outer covers
Differential case assembly
Intermediate shaft (splined to clutch discs)
Multi-plate clutch pack
Clutch pack housing (splined to clutch plates)
Hypoid gears
Left and right output seals

Rear Drive Axle and Differential - Component Location. Description and Operation

Rear Drive Axle and Differential - System Operation and Component Description. Description and Operation

System Operation System Diagram Item Description 1 Drive Mode 2 PCM 3 ABS 4 Accelerator Pedal Position 5 BCM 6 Ignition Status 7 GWM 8 AWD 9 Speed / Position sensor 10 Actuator motor 11 Steering Wheel Angle 12 Vehicle Acceleration 13 Wheel Speed 14 RDU R..

Other information:

Lincoln Nautilus 2018-2025 Owners Manual: Making and Receiving a Phone Call

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Lincoln Nautilus 2018-2025 Owners Manual: Load Carrying Precautions

Keep your loaded vehicle weight within its design rating capability, with or without a trailer. Properly loading your vehicle provides maximum return of vehicle design performance. Before you load your vehicle, become familiar with the following terms for determining your vehicle’s weight rating, with or without a trailer, from the vehicle’s Tire and Loading Information label or Safet..

Opening and Closing the Hood

Opening the Hood

Lincoln Nautilus. Opening and Closing the Hood

Inside the vehicle, pull the hood release handle located under the left-hand side of the instrument panel.