Brakes locked up, need help diagnosing the problem FAST - Ford Powerstroke Diesel Forum

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post #1 of 3 Old 11-07-2012, 08:34 AM Thread Starter
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Brakes locked up, need help diagnosing the problem FAST

I just put a new hydroboost on out 96 F250. I did the same conversion to our 95 F350 with no problems. I installed everything yesterday and test drove the heck out of it last night. Everything worked great. I drove less then five miles today and started having problems as I idled through a parking lot the brakes began to engage on their on. I got on the road thinking it might clear up but the opposite happened. The grabbed full force and stopped me cold. I opened the hood and power steering fluid is everywhere. There does not appear to be any ruptures and everything is intact. The fluid appeared to blow out of the top of the power steering unit. What should I be looking for and how do I correct it? I have got to get this done today!
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post #2 of 3 Old 11-08-2012, 10:01 AM Thread Starter
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Update:

Okay, so I brought this on my self. I wanted to use pats I already had on the shelf and they did not work. The rod was too long and it was keeping pressure on my master cylinder once everything got heated up. So, I went ahead and installed a new store bought hydroboost that is intended for my body style. After a good test drive the brakes did not lock up. Now I have the opposite problem… The brakes will not grab like they should and the pedal will not return all the way. I bled the system more than once. SO now what am I to do?
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post #3 of 3 Old 11-15-2012, 06:50 AM
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did you confirm the length of the rod off the new part to the part original to the truck? Maybe the rod is to short. I am guessing here, but it may be the issue.

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