An all wheel drive system for a motor vehicle having a front differential
and rear differential, a pair of front and rear halfshaft assemblies, a
power takeoff unit, a constant velocity joint connected to the power
takeoff unit, a first propshaft, a plunging constant velocity joint, a
second propshaft, a flexible coupling, a self contained speed sensing
torque transfer assembly connected to the flexible coupling wherein torque
is selectively transferrable when the self contained speed sensing torque
transfer assembly is engaged, and a torque arm assembly.
