What does a 4×4 actuator do?
A 4×4 actuator is an electronic device used to engage the front differential on a so-equipped, four-wheel drive vehicle. Not all types of four-wheel drive vehicles use this type of switch.
What does a hub actuator do?
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.
What is an actuator on a Ford truck?
The actuators are what engage your front wheels to the transfer case. Overtime the gears inside can wear down causing the front wheels to not lock in.
How do I know if I have a bad actuator?
Symptoms of a Faulty Door Lock Actuator
- Power Door Lock Doesn’t Work. A single bad door lock actuator can prevent one of your car’s power door locks from working.
- Power Door Lock Operates Erratically.
- Strange Noises When Operating the Power Lock.
- Sluggish Operation From the Door Lock.
How do you test actuators?
To test a linear actuator’s current draw, simply connect a multimeter in series with one of the leads of a powered linear actuator, and watch the amperage reading as you extend/retract the rod. Based on the reading, you can determine a power supply that will be able to handle that current draw.
How do auto locking hubs work Ford?
The locking mechanism inside an automatic locking hub is sort of like a one-way clutch. When torque is applied by the driveshaft, it forces the hub to slide in and lock. The hub then remains in the locked position as long as the transfer case remains in four-wheel drive.
What is a Ford IWE?
For the uninitiated, Ford’s Integrated Wheel End (IWE) system is what locks and unlocks the front hubs when you change back and forth from 2WD and 4WD.
What are the symptoms of a bad 4wd actuator?
Symptoms of a Bad or Failing Front Axle Engagement Switch
- Difficulty engaging four-wheel drive.
- Four-wheel drive becomes stuck.
- Four-wheel drive mode does not activate.