If one air system in a dual air brake system is very low on pressure:

Question

In a dual air brake system, if one of the air systems gets very low on pressure, either the front or rear brakes will not be operating fully. You should bring your vehicle to a safe stop and have the air system repaired.

Accepted Answer

Either the front or rear brakes will not be operating fully.

Answer

None of the brakes will work at all.

Answer

There will be no noticeable affect.

Answer

Lights on the outside of the tractor will flash.