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Old February 16th, 2019, 14:10
lawsoncl lawsoncl is offline
NAXJA Forum User
Join Date: Jan 2006
Location: North Idaho
Posts: 5,221
Re: porportioning valve leak

It's a damaged o-ring inside of the prop valve. Here's what they look like internally (pic is of an MJ valve). The switch plunger should be isolated from the brake fluid by the o-rings on the slide.
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