Lincoln 8A8Z-7F465-P Gear Assembly - Planet

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On AWD models, an Active Torque Control Coupling (ATCC) manages power distribution to the front and rear wheels, typically directing most torque to the front. When wheel slip is detected, the ATCC system automatically increases torque to the rear wheels, continuously monitoring conditions and adjusting torque via an electric clutch in the rear axle. The ATCC operates without a mode selector or driver input, and the solenoid is non-repairable, requiring replacement of the entire rear axle assembly. To begin, raise the rear of the vehicle and support it securely on jackstands, blocking the front wheels to prevent rolling. Remove the driveshaft and driveaxles, then remove the rear stabilizer bar, which on Five Hundred and Montego models only needs to be slid forward for clearance. Support the differential with a floor jack and disconnect any electrical connectors. For 2007 and earlier models, remove the differential cross-bracket bolts and bracket, the front insulator bolt, and the two rear insulator bolts, noting that the passenger rear insulator bolt cannot be removed until the differential is taken out. For 2008 and later models, remove the four bolts securing the front of the differential to the front brackets, loosen the front mounting brackets from the subframe, and swing them out for clearance. Then, remove the six bolts securing the differential to the rear mounting brackets, lower the differential slightly, and disconnect any remaining connectors. Finally, lower the differential with the floor jack and install by reversing the removal steps, ensuring all fasteners are tightened to the specified torque.

The ATCC manages power distribution to the front and rear wheels by adjusting torque based on vehicle conditions.

The ATCC manages power distribution to the front and rear wheels by adjusting torque based on vehicle conditions.