Quote:
Originally Posted by JohnWattVR4
I had a proportioning valve go bad in my chevy blazer and the only the front brakes would work. The brakes also had a tendency to lock up pretty easily without help from the rear. This is a different animal though.
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Regardless of vehicle all combination valves work the same. Now a proportioning valve alone and a metering valve alone don't include necessarily the same functions of the combo valve which includes all their functions though the terminology is used interchangeably/loosely due to the lack of info out there on it.