Question about 2004 Ford E250

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Spongy brakes after bleeding them 2 times. Should I try to bleed the master cylinder or replace it?

I have spongey brakes after a broken brake line. I repaired the broken brake line and bled the brakes, twice and still have spongey brakes. Do I need to bleed the master cylinder or could I have a bad master cylinder?

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  • bwallace1 May 15, 2009

    How many time should I expect to bleed each wheel? I have been told to expect to do this about 10 times for each wheel, because this is a large vehicle.

  • Anonymous Mar 14, 2014

    what brake line operates the front brakes from the master cylinder

  • Anonymous Mar 23, 2014

    can not stop

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Honestly your guess is as good as mine. But I don't think the master cylinder is NOT bad you still have air in the system. Get a big bottle of brake fluid bleed all four sides until you run out of fluid or your brakes work properly. You should divide the bottle's content in four, then use each quantity in each side. You'll be removing air and contaminated fluid from the system. Get a small hose that fits on the bleeders and an appropriate container. I have a good feeling if you do this your brakes will work just fine. I don't know how you are bleeding the brakes. I'll let you know the proper way just in case. This is a two man job, with the wheel off, have someone start the car. Have them pump the brakes a few times to get pressure. 1With the brake pedal UP open the bleeder, 2then have your assistant press the brake pedal all the way down and leave it completely pressed down. 3Close the bleeder valve, once close and only with the valve closed have'm release the brake. Repeat as necessary, bake depressed, open valve first then press brake. DO NOT depress until valve completly closed. Close valve THEN depress. Good Luck!

Posted on May 15, 2009

  • Teddi B May 15, 2009

    Sorry I have no idea, get a big bottle of brake fluid. Divide it into four equal portions, pour it into four different cups. Bleed each side adding brake fluid until each cup is empty or your brakes start working correctly. Check this video out and similar ones. You can get that tool in amazon.com and do it that way better.

  • Teddi B May 19, 2009

    Have you tried a brake bleeding tool? http://www.harborfreight.com/cpi/ctaf/di...

    Did you get rid of your problem?

    If you bled all sides and continue to have a problem check the brake self adjusters if you have drums in the rear. Check for other leaks like leaking calipers or brake cylinders. If you can't find a problem then at this point replace the master cylinder and check-valve. You'll have to do it all over again to get rid of all air in the lines. You want to get it right the first time and avoid more frustration.

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1 Answer

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