What are IWE actuators?
What are IWE actuators? The hub actuators connect the axle shaft to the wheel hub automatically when 4WD is selected. More accurately, they disconnect the axle and hub when the 4WD system is not engaged, reducing driveline loss caused by spinning an otherwise non-rotating axle. How does the IWE work on a Ford F-150? The automatic hub lock that is installed on later Ford F-150 trucks is the IWE system. Like the CVH, the IWE is a single-solenoid vacuum blocker, but it works in the opposite direction. Vacuum pulls the hub up to 2WD, and the absence of vacuum outputs...