random hard brake pedal

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07-30-2004, 01:19 PM

BigRyanKP

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random hard brake pedal

on my 99 SD V10 4x4 lariet the brake pedal will sometimes become hard all of a sudden half way through a stop or sometimes it will be hard all the way through the stop. could i have a bad relay or vacume pump or something?

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07-31-2004, 05:26 PM

BigRyanKP

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ttt anyone?

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