Low front air pressure
My 1999 American Dream on a Spartan chassis is only showing 70 pounds on the front air gauge while driving, and my tachometer only shows 1/2 of the engine's actual RPM. Other than that, everything is ...
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Stim wrote:
I would check owners manual or contact the manufacturer.
There is a chance that there is a regulator to air tank for the front brakes to keep from applying too much front pressure causing a dangerous condition during heavy braking.
Might be part of an anti-lock system.
Just a wild guess after years of driving/working on semi's.
Stim,
While your line of thought might make some logical sense, the air systems in not only diesel motorhomes but, also every semi on the planet, provide the same exact pressure in the front or "Primary" system as they do for the rear "Secondary" system. There's normally a "proportioning valve" in certain air systems that directs the correct amount of air to each set of brakes for a given situation. Take a look at this:
Proportioning valve(s)
Scott
