Question about 2006 Kia Sedona

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Brake pedal to floor

Recently replaced the master cylinder because the brake pedal would frift to the floor then have to re pump the brkes. Fluid level was good, bled brakes and had no air in system, no leaks, yet condition persisted. Replaced the master cylinder nd after 10 days the condition resurfaced. Also have been noticing an occassional growling when coming to a stop from in front of the drivers area (near master cylinder or left front wheel).

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  • 19 Answers

First did you perform a bench bleed on the master cylinder? if not bench bleed the master cylinder. had a neighbor with a similar problem with a ford truck. did some reaserch and found the ABS system needed to be bled. one way to bleed air out of it is to connect the diagnostic computer and perform an ABS bleed and then bleed the brakes like you normaly would. The other way was to take the vehicle somewhere you can slide around safely and slam on the brakes causing the ABS to activate. do this a few times and then perform the normal bleed method.

Posted on Jan 17, 2013

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Posted on Jan 02, 2017

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ftw1952
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SOURCE: replaced front brake pads, rear brake shoes and

vacuum leak in booster is a good possibility

Posted on Jan 16, 2010

  • 137 Answers

SOURCE: Pedal goes to floor, brakeing minimal. Checked

Somehow air isstill getting into your brake lines, please put more fluid into brake resiviour and have another person check the lines while you are pumping the brake pedal, This should really help

Posted on Jan 24, 2010

miket756
  • 2702 Answers

SOURCE: we are bleeding the brakes

you should try presher bleeding them,,,its way easyer,,,keep the fluid toped up as well

Posted on Nov 27, 2010

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1 Answer

`How do I determine if the brake master cylinder is failing ? No fluid leaks brakes do not pump up when bleeding system,recently brake pedal stayed down to floor, pulled back up with my foot.


If there are no external brake fluid leaks, continued application of pressure on the brake pedal will see the pedal sink to the floor if the MC is faulty and needs to be replaced. This will be due to significant wear inside the MC in the bore and on the pistons.

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1994 Jeep Grand Cherokee brake pedal goes all the way to the floor. Recently replaced calipers and master cylinder and bled the whole system. Brake pedal goes all the way to the floor when first pushed...


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My 1997 chevy 1500 z71 brakes suddenly going all the way to the floor. Checked brake fluid and it was low. Could be wheel cylinder? Master cylinder? or ?


well, check the brake lines for leakage after adding brake fluid to the full mark. If the brake pedal goes all the way to the floor, it's likely there is a leak somewhere after the master cylinder. If the pedal gets hard after adding fluid, and pumping it several times with the car off, then the master cylinder is still ok.

If air has gotten into the master cylinder, it may have to be bled out on a bench, or using a scanner if that's the way your vehicle is.

Bleeding the Brake System (ABS) Auto Bleed Procedure NOTE: Perform a manual bleeding procedure. If the brake pedal height and firmness results are not achieved, perform the auto bleed procedure below.
NOTE: Perform this procedure when replacing the brake pressure modulator valve or electro-hydraulic control unit.
  1. Perform the manual brake bleeding procedure. Refer to Bleeding the Brake System (non-ABS).
  2. Check the master cylinder fluid level often to prevent running the system dry.
  3. Press the brake pedal firmly and run the Scan Tool Automated Bleed Procedure (for Gas engines) once, or the Function Test (for Diesel engines) four times. Make sure to release the brake pedal between each test.
  4. Perform the manual bleed procedure again. This should remove the remaining air from the brake system.
  5. Bleed the system as many times as needed to obtain the appropriate feel of the brake pedal.

Dec 18, 2010 | 1997 Chevrolet K1500

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Brake pedal goes to floor but you can pump it up on a 98 chevy 1/2 ton could it be something else besides the master cylinder because after its pumped up the pedal will hold steady and not creep to the...


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are they hard or soft to break at the pedal? or normal? if normal NO if soft/squishy YES if too hard... drain some fluid? or check master break cil.

short answer: only need to if there is something wrong.

Aug 06, 2009 | 2000 Mercury Mystique

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Replace brakes. now they go to the floor. bled air


When you fixed the brakes, did you take the lid off the master cylinder. I just wonder if you spilled out your brake fluid. The only reason the pedal should go to the floor is if the brake fluid is gone or the master cylinder is not working. Check the fuse. Check the brake fluid level. The pedal only goes to the floor if there is no back pressure in the lines between the master cylinder the lines to the brake pistion on the calipers. Please give me a good ratin and keep me informed.

Jul 07, 2009 | 1999 Cadillac DeVille

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