ABS pump
Is anyone familiar with the internals of the ABS pump?
Mine has just recently pushed the brake fluid back out of the top of the reservoir overnight, so I expected a problem with a non return valve somewhere.
I dismantled the pump and I can see where the non return valve must be near the pump outlet, but no way could I access it. It seems well hidden in the pump body. Anyone know how to check it?
I also found that the accumulator is discharged, so a new one coming. Suspected that because the pump runs every time I touch the brake pedal.
I can't see how that would push fluid back out of the reservoir though.
Very interesting pump design, with 3 radial plungers running inside a roller bearing doing the pumping.
Pump condition is excellent at 260k km.
Help needed please.
Terry
80 109" 2.6 P ex Army GS, saved from the scrappie.
95 300tdi 130 Single cab tray.
2010 Guzzi 750
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