Question about Ford Explorer

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I have Ford Explorer 2005 model and just 45,000KM done. Now the service centre informed me that I need to replace my brake booster as it is not in proper condition and creating noise. Please let me know if it is normal for brake booster to deteriorate for a vehicle which just did 45,000kms? Although my vehicle is 5 years old model, it travels an average of just 25kms per day so I wonder why brake booster need to be replaced now?

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The brake booster is nothing more than a pure rubber membrane in a metal box located near the engine, which gets hot. Rubber, when heated, ages very fast so replacing it after 5 years sound about normal to me.  But before replacing it you should check that the pipe coming to it isn't leaking, it ages a lot faster than the booster itself.

Posted on Aug 01, 2010

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  • Master
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No it is not normal for a brake booster to deteriorate in that amount of time or miles. I own a ford f-150 with 190k and is 11years old and my booster is still in great working order. I also know many ford owners who have owned fords all there lives and have never replaced a booster. Matter of fact I do not know of 1 person who has had to change a booster in any vehicle. That being said, brake boosters can and do go out, not very often, but they do. Although 5 yrs and in that few of miles makes me think yours may be defective, if thit is the problem at all. You may want to get a second opinion on that diagnoses. If it turns out to be the problem, then you are among the unlucky few to have that problem. Hope i could be of some help. If that is the problem and you want to replace yourself then i'd be happy to assist you with how you can manage that.

Posted on Aug 01, 2010

  • Steve Jensen
    Steve Jensen Aug 01, 2010

    You can check the booster by pushing your brake pedal down 3 or 4 times before starting your vehicle then hold the pedal down. Start vehicle at this point with pedal still down. The pedal should go down a little further after starting, if that happens your booster is working fine. If your checking to see if the booster is airtight. Start vehicle for a couple minutes then turn off. After you have turned vehicle off push down the brake pedal a few times. If the booster is airtight it should get harder and harder to push down. So you can try those couple of test to kind of check for your self.

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