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post #1 of 2 (permalink) Old 11-11-06, 07:25 AM Thread Starter
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Join Date: Oct 2006
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Master Cylinder?

Ive got an 02 Focus.
Recently it started letting the brake pedal push all the way to the floor before it builds puressure to stop the car. Now it only does it once in a while, but its really annoying and not really safe IMHO. Im guessing that its probably the master cylinder that needs to be replaced, but what do ya'll thinnk? Is this a common problem?

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post #2 of 2 (permalink) Old 11-11-06, 02:58 PM
Join Date: Feb 2001
Location: Bibra Lake Western Australia
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Re: Master Cylinder?

Although more likely the master cylinder needs servicing (stainless sleeving and fitting an overhaul kit of rubber pieces, piston cups, springs etc etc) it could also be a leaking caliper seal. Check for fluid leaks at each wheel. Also check the rubber cover under the master cylinder cap is not upside down or damaged and that their is no crud or similar contaminates in the bottom of the master cylinder. A brake fluid bleed might also work; how long since the system was bled?

Regards Blue
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