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brake problem

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Old Jan 24, 2012 | 07:01 PM
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addybeer
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brake problem

99 f350, 7.3 diesel, my pedal goes to the floor and truck does not stop, pedal does build pressure again on its own but will still end up on the floor without stopping. fluid level is dropping but can not find a leak, calipers, lines, bleeders. just can't find a leak and other places i can look? or could it be the hydroboost?
 
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Old Jan 24, 2012 | 07:27 PM
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It's not likely the hydroboost, you have either a leak, bad master cylinder, or both. Have you pulled the wheels and checked the calipers?
 
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Old Jan 24, 2012 | 07:42 PM
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yes i have checked all lines and calipers seems line a line just can't find it
 
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