Ford Fusion Manuals

Ford Fusion: Four-Wheel Drive Systems / Four-Wheel Drive Systems - Overview. Description and Operation

Ford Fusion 2013–2020 Service Manual / Powertrain / Four-Wheel Drive Systems / Four-Wheel Drive Systems / Four-Wheel Drive Systems - Overview. Description and Operation

The AWD system consists of the following:

  • Power transfer unit (PTU)
  • Front and rear halfshafts
  • Rear axle and driveshaft
  • AWD relay module
  • Rear axle with coupling device

Torque from the engine is transferred through the transmission to the Power Transfer Unit (PTU). This torque is transferred from the driveshaft to the rear axle, which drives the rear halfshafts. The AWD system, also referred to as an active torque coupling (ATC) system, is always active and requires no driver input.

The AWD system continuously monitors vehicle conditions and automatically adjusts the torque distribution between the front and rear wheels. During normal operation, most of the torque is delivered to the front wheels. If wheel slip between the front and rear wheels is detected, or if the vehicle is under heavy acceleration, or if the vehicle is in a handling event the AWD system increases torque to the rear wheels to prevent or control wheel slip. When the AWD system is functioning properly, there should be no perceived speed difference between the front and rear axles when launching or driving the vehicle on any uniform surface. Traction should be similar to a part time 4WD system in 4H (4X4 HIGH), but have no binding in turns.

Serviceable components of the power transfer unit are limited to the output shaft seal and flange, intermediate shaft seal and deflector, and the power transfer unit transmission compression seal, and PTU temperature sensor (if equipped). No internal components are serviced. There should be no need to remove the power transfer unit cover. If any of the internal geared components, bearings, case cover or shafts are worn or damaged, a new power transfer unit must be installed.

Vehicles With: ACTIVE TORQUE COUPLING DIFFERENTIAL

Ford Fusion. Four-Wheel Drive Systems - Overview. Description and Operation
Item Part Number Description
1 Front drive halfshaft
2 Power transfer unit (PTU)
3 Driveshaft
4 AWD (all wheel drive) module
5 Active torque coupling clutch assembly
6 Active torque coupling clutch coil solenoid
7 Rear axle assembly
8 Rear drive halfshaft

Vehicles with Active Torque Coupling can be identified with Build Information code EGJAE - OPEN STYLE REAR AXLE. Refer to the Additional Information link on OASIS.

    Specifications

    Item Specification Fill Capacity Motorcraft SAE 75W-140 Synthetic Rear Axle Lubricant XY-75W140-QL (US); CXY-75W140-1L (Canada) WSL-M2C192-A 0...

    Four-Wheel Drive Systems - System Operation and Component Description. Description and Operation

    System Operation System Diagram Item Description 1 PCM 2 HS-CAN 3 Active Torque Coupling (ATC) solenoid (integral to the Rear Drive Unit (RDU) 4 BCM 5 IPC 6 RCM 7 ABS module 8 HS-CAN 9 HS-CAN 10 MS-CAN 11 AWD relay module 12 LH rear wheel speed sensor 13 RH..

    Other information:

    Ford Fusion 2013–2020 Service Manual: Vehicle Dynamic Suspension. Diagnosis and Testing


    DTC Chart VDM DTC Chart Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).   DTC Description Action C110C:11 Left Front Damper Solenoid: Circuit Shorted to Ground   GO to P..

    Ford Fusion 2013–2020 Service Manual: Forward Clutch Assembly. Description and Operation


    Forward (1, 2, 3, 4) Clutch Exploded View Item Description 1 Transmission case 2 Center support 3 Forward (1, 2, 3, 4) clutch piston 4 Forward (1, 2, 3, 4) clutch piston return spring 5 Forward (1, 2, 3, 4) clutch piston snap ring retainer 6 Forward (1, 2, 3, 4) clutch pis..

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