Is there a problem with my Ford F150 4 wheel drive?
Is there a problem with my Ford F150 4 wheel drive? The most recent information is available through Ford Motor Company's on-line technical resources. Some 2004-2006 F-150 and 2006 Mark LT 4X4 vehicles built before 4/24/2006 may exhibit a noise in*****from the front Integrated Wheel Ends (IWE) and/or the 4X4 system being inoperative. Why is my F-150 not in 4x4 mode? Shift motor on the transfer case is only to shift into 4x4 low. Vehicle is always in 4x4 mode in the transfer case. Disconnecting the vacuum lines from the actuators will engage the the front hubs manually. System works...