1997 ford f450 brakes self appling

1997 FORD F-450
184,256 MILES • 4WD • AUTOMATIC
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JARED RIGERT
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  • 2 POSTS
We have a 1997 Ford f450 4x4 the the front brakes will gradually and randomly apply wjile driving down the road. have replaced master cylinder and the hydro booster and the problem still exists.
Apr 19, 2011 at 3:57 PM
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WRENCHTECH
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Have you confirmed whether it's both wheels equally or maybe just one wheel?
When it happens again, crack the master cylinder lines open momentarily and see if the brakes release.
Apr 19, 2011 at 4:11 PM
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JARED RIGERT
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both are via rotor tempuratures. 8-900 degrees farenheit on both sides.
Apr 19, 2011 at 7:15 PM
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