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Old 05-26-2018, 04:06 PM   #16
mongocanfly
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Join Date: May 2015
Location: Alabama
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Re: Vibration @ 50 mph

if its all 4 wheels your brake pedal may not be returning all the way back to allow a neutral pressure situation ...when the piston in the master cyl returns past the ports it should relieve the system pressure...some use residual valves to hold a few lbs of pressure as well
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