Just curious if anybody has had the brake proportioning valve (aka combination valve) leak before. Mine has a very small leak on the side from what seems like a bleeder valve. i have tried to tighten it with no luck.. i would appreciate any advice.. thanks

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k&n intake and filter-dual exide orbital batteries-flowmaster exhaust w/dual tips-rock krawler 3.5 x factor lift pro compx terrains 31x10.50r15

If it anything like the bleeders on the calipers, there will be a copper gasket behind it. Did you have the bleeder open for some reason?? maybe just has some dirt in it

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2008 KK Limited
Stock for now

You should never drive a vehicle with a brake fluid leak.There is no bleeder on the proportioning valve,if it's leaking and not from one of the brake lines going into it just replace the whole valve(no service parts available) as the alloy case may be cracked,there about $60 from the dealer.