1997 FORD F450 BRAKES SELF APPLING

  • Tiny
  • Jared Rigert
  • 1997 Ford F-450
  • 4WD
  • automatic
  • 184,256 miles

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.

Tuesday, April 19th, 2011 AT 3:57 PM

2 Answers

  • Tiny
  • Wrenchtech
  • Expert
  • 19,581 posts

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.

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Tuesday, April 19th, 2011 AT 4:11 PM
  • Tiny
  • Jared Rigert
  • Member

Both are via rotor tempuratures. 8-900 degrees farenheit on both sides.

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Tuesday, April 19th, 2011 AT 7:15 PM

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