Question about 1997 Ford Expedition

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Spongy breaks after bleeding on a 1997 ford expedition

Already bled them and tested they worked fine but then after i parked it for a while they got spongy again

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The is still air in the system, rebleed the brakes starting with the- right rear-left rear- right front- left front. some vehicles with ABS need to be running so the abs system gets bleed properly.

Posted on Feb 24, 2012

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Stil has air in there. Gotta bleed it again.

Posted on Jan 14, 2015

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Posted on Jan 02, 2017

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

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

  • 65 Answers

SOURCE: 2005 f150 spongy brakes

it sounds like your still not getting all the air out of your lines. it helps to have a brake bleeder but they are expensive, it also could be that the gasket inside the master cylinder is inverted even if it is a new master cylinder this could be the case, ive had four bad remanned ones in a row, before i got a good one... hope i could help

Posted on Mar 24, 2009

  • 4340 Answers

SOURCE: I have a 2003 Expedition that the pressure on the

Check that the master cylinder is backing off enough. Check for binding brake pistions.

Posted on Oct 18, 2010

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1 Answer

1997 mercury sable gs 3.0l replaced master brake, still having brake pedal feeling spongy and slowly traveling down. i bench bled master brake and bled brake right rear left rear right then front.


If the master cylinder is replaced, care must be taken to prime the new master cylinder by removing all of the air and completely filling it with brake fluid. The spongy feeling is air that is still in the circuits. You will need to bleed the back brakes as well as the front ones again. The order that you bled them seems correct, but perhaps there remained some air in the main trunk lines.

For the best results 2 people are needed. Start at the further distance wheel cylinder and bleed at least three (3) master cylinder reservoir volumes of fluid (back brakes). Bleed the fluid with use of a piece of tubing attached to the bleed port that is long enough to reach almost to the bottom of a long neck or tall clear jar (clear drink bottle works well). When the bleeding begins, after one or two brake pedal pushes, make sure that the end of the tubing is below the surface of the fluid and keep it under. It best to have a clear bleed line (to observe air). Keep pumping the brake pedal while being careful to not completely empty the master cylinder reservoir (leave 1/4 full always). Repeat the same technique for each wheel cylinder with at least two (2) reservoirs full for front brakes. Partially close the bleed ports when almost finished (at least 5 pedal strokes without exit of any air). Completely close the ports during the down stroke of the brake pedal, with the tubing still attached. Be sure each bleed port is closed snuggly.
Most of the brake fluid can be reused, but not the darker portion at the bottom of the jar.

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1 Answer

Brakes are spongy


Did you also bleed the rear brakes? Also try the gravity bleed method working from the right rear wheel, then left rear, right front, then left front. Be SURE to keep the master cylinder full at all times while bleeding.

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My brake pedal is spongy, what would cause that? fluid level is good


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Check your parking brake. if it goes down to the floor or does not hold, then your back brakes needs adjusted. bad master cylinders bleed off slowly to the floor while pushing on the brake pedal. If you need assistance on adjusting let me know.
Randy

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I would bleed the rears too especially if the brake fluid reservoir drained empty. Also you may need to drive the vehicle to seat the brake pads. Check and see how the pedal feels initially before you road test to make sure you don't need to pump the brakes in order to stop. if you do then re bleed all four wheels.If you don't have to pump the pedal and it just feels spongy then try going around the block a few times and see if the pedal stiffens up after the pads have seated.

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get someone to stamp on the pedal when your opening the bleeder and close it before he/she hits the floor with there foot.may take several attempts.

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1 Answer

Brakes won't bleed!


the brake system on these units cant be bled at home if air gets into themaster cylinder and or the (hcu) hydraulic control unit,a special anti-lock brake test adapter has to be pluged into the control module, any atempt to bleed the system with out this tool wiil result in a spongy pedal

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how did you bled them back 2 front?

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