Leaking Brake Proportioning Valve

I

IHCScout78

Member
Hi,

I have a Scout II with a new brass brake proportioning valve installed about a year ago.

The valve is leaking from the front where the bleed button is under the rubber cap. There is a small spurt of brake fluid every time the pedal is pressed. It does not appear to continue leaking if you continue to press the brake pedal/maintain pressure.

Has anybody seen this? Is there an o ring or something in there that can be replaced?
 
I went through several new ones. The one I have now is not leaking and my fingers are crossed. The part that is leaking, if it was like mine, has tiny cup seals. Similar to what you find in your wheel cylinders on drum brakes. Replace it and hope for a good one the next time.
 
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