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Old 07-21-2015, 04:26 PM   #4
MattPSU
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Join Date: Nov 2011
Location: Lyman, SC
Posts: 734
Re: New Proportioning Valve Leaking

Pirate Jack just sent me a new piston for the inside of my prop valve. It includes the pin that comes out the front of the housing. To be honest, there's such a size difference between the OD of the pin and the ID of the hole, it's no wonder the thing leaks there. Should the brake fluid be getting past this piston and leaking out the front? I'm at a complete loss as to how exactly this component works. I'm not sure if I can add an o-ring to keep it from leaking or not. Any help would be greatly appreciated.

Thanks - Matt
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Matt Criswell - Lyman, SC

1972 Chevy Cheyenne SWB - Build: Porterbuilt State 1 Front & Rear, Bolt in Notch, McGaughys 2.5 Drop Spindles, Boyd Welding Fuel Tank

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