85 k10 no brakes

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Jul 24, 2010 | 11:26 AM

77k10rider

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85 k10 no brakes

i have a 85 k10 the brakes just went out one day. i replaced the master and there are no leeks anywhere and no air in any of the lines. the pedel just goes to the floor slowly. any help would be great.

Jul 24, 2010 | 12:40 PM

2wd-K5

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From: salmon arm BC

when u hammer on the brakes, does it grab and hold decent? if so u got a faulty master cyl

Jul 24, 2010 | 1:45 PM

maxxman04

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From: kentucky

could be a blown proportioning valve

Jul 25, 2010 | 9:20 AM

77k10rider

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doesent matter what i do it just goes to the floor slowly. the brakes never grab. i also replaced the proportioning valve and still nothing. if i disconect the front line and block it off i get a still pedel