Question about 2002 Ford Escape

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I can hear a hissing noise coming from the brake pedal on my 2002 Ford Escape. Its been there for a little while. Sometimes the brakes doesn't work properly, it feels a little spongy sometimes. But usually works fine. I don't what is wrong. Is it a serious problem, could cause the brakes to fail?

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It sounds like the rubber diaphragm in the brake booster has developed a leak producing the hissing / sucking noise. The only option is to replace the booster as a complete assembly as they need specialist tools to repair. If the booster fails completely you will still have brakes but the pedal will be very hard and it will take a lot of muscle power to stop vehicle. Best to have booster replced soon before you experience situation described above.

Posted on Nov 07, 2010

Testimonial: "Thank you very much. Is it a very expensive job? I hope not...."

  • Mike Roberts Nov 08, 2010

    Shiuld not be too expensive. Just the cost of a replacement booster assembly and a couple of hours labour to remove

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