When the engine is started and running, vacuum is exerted on the entire system, unlocking the IWE actuators. When the engine is turned off or 4WD is engaged (either by floor shifter of dial selector) vacuum is released by the IWE solenoid to the actuators at the wheels.
What is an IWE delete?
The IWE deletes simply keeps the front shafts turning at all times.
How much does it cost to replace a hub actuator?
Labor costs are estimated between $96 and $121 while parts are priced between $380 and $409. This range does not include taxes and fees, and does not factor in your specific model year or unique location.
How does F150 actuator work?
The actuator on the Ford F150 connects the wheel hub to the axle shaft when the 4WD mode is selected. More precisely, it disconnects the hub and the axle when the 4WD mode is not engaged, reducing driveline loss caused by spinning an otherwise non-rotating axle.
What is IWE?
idiom. —used to say that one does not know the answer to a question and is surprised to have been asked it.
How do f150 vacuum hubs work?
For this design, the vacuum is placed on the system unlocking the hubs while the truck runs in 2-wheel drive mode. When shifting to 4-wheel drive, vacuum is released, which locks the hubs. This leaves the front axle locked for fail-safe operation.
How does vacuum 4WD work?
The vacuum motor, which is mounted on the right side of the differential, moves an axle clutch gear that engages the right-side axle to the differential. The motor diaphragm uses two vacuum hoses—one to pull and the other to push—each controlled by a separate solenoid that’s commanded by the GEM.
