In a message dated 1/10/02 11:27:21 PM Pacific Standard Time, korkwood@WSHOST.NET writes: << This is brake proportioning valve even though VW calls it brake pressure regulator. You described its location correctly. The ordinary pressure regulator just reduces pressure in outlet according to how it is adjusted. BPV splits pressure in such way as the front brakes get almost 2 times the pressure vs rear brakes to prevent locking up. It is preset by spring inside. It may vary somewhat by inertia when driving. >> Leon, I agree that the VW Brake pressure regulator is in essence a proportioning valve. However, when most folks use that term, they are referring to the kind with the knob that you can adjust. I disagree that Vanagon version is adjustable automatic or otherwise. You said it yourself, "It is preset..." I would think you have to disassemble the darn thing to make any kind of adjustments. I would be very interested to hear opinions on this. BenT |
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