A height sensor lets the system know if the vehicle is at factory height. When extra weight is added, working together with the control module, the height sensor will let the compressor know it needs to turn on and fill the bags. If the height needs to drop the height sensor will let the system know to release air from the air spring bags or air shocks.
Don't Forget to Replace Your Air Springs or Air Shocks!
Suspension Air Spring BagsWhat is an air spring bag?- an air spring bag is a hollow inflatable rubber bag. They are used in place of coil steel springs. Air bags are flexible and have a certain amount of give, this helps absorb bumps for a smoother ride.