Question about 2002 Mercury Mountaineer

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While I was reversing out of a drive way, all of my brakes completely went out and my pedal was all the way to the floor in my 2002 mountaineer. What happened?

Posted by candacesande on

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BILL RICHARDSON

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  • Master
  • 508 Answers

Your master cylinder is leaking past the piston inside the master cylinder. DO NOT DRIVE YOUR CAR ANY FURTHER. If you can complete the repair yourself, great. If not call for a flatbed tow truck to get you to a shop. You do not want to run into another vehicle because the brakes don't work the next time you try and apply them. Your brake light should be on in the dash now. It should come on when it senses an uneven line pressure in the hydraulic system. The master cylinder will need to be replaced, or rebuilt with a kit and then the entire system bled.

Posted on Apr 25, 2012

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4 Related Answers

Ronnie Houston

  • 2920 Answers

SOURCE: Brakes on 2000 Mercury Moutaineer wont stay

did you check the master cylinder? makke sure the cap is on tight....and full of fluid

Posted on Jan 11, 2009

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GARYca

Gary M

  • 672 Answers

SOURCE: I have a 2002 Mercury Mountaineer and the brake

check your brake switch if its sticking or damaged.....and also your brake pedal travel. Hopefully this helps

Posted on Jul 28, 2009

Curt Downs

  • 1779 Answers

SOURCE: the brake lights on my 2002 Mountainer will not go off

If your brake lights will not turn off, check it this way-Pull UP on the brake pedal. If the lights go off, you need to adjust the stop light switch, which is mounted on the upper brake pedal (it has an electrical plug in attached to it)

Posted on Mar 30, 2010

pwrxt_cb

Chuck

  • 60 Answers

SOURCE: 2002 Mercury Mountaineer Brakes go to the floor.

If there is no external leaks, I am willing to bet that your master cylinder is at fault. The seals inside the master cylinder can go bad, and let fluid past one-another, reducing its hydraulic pressure to apply the brakes. If you replace it yourself, read the bleeding procedure!

Posted on Jan 31, 2012

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