98 F150 ABS Problems

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Mar 12, 2016 | 05:02 PM

ShelbyGuy

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Joined: Mar 2016

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98 F150 ABS Problems

Ok here is whats happening.
When pressing break to slow down pedal go down smoothly then loose pressure and drop almost to floor then push back and lock breaks up.

Mar 13, 2016 | 03:04 AM

akdoggie

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From: Alaska

Master cylinder or bad brake booster.

Mar 13, 2016 | 03:11 AM

white89gt

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From: Utah

I'd say master cylinder as well. Can you see it leaking on the outside?

Mar 13, 2016 | 12:32 PM

w0lvez

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Joined: Sep 2013

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From: Behind You

Bad master cyclinder, Faulty Brake Booster Check Valve or too much air trap inside the system..

Brake Fluid should be replace every 3 years..

Last edited by w0lvez; Mar 13, 2016 at 12:34 PM.

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