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I have a 95 ford thunderbird. My brakes are going all the way to the floor to stop. All pads are good and no air in lines. Also good fluid levels. What is left? Master cylinder?

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  • Cars & Trucks Master
  • 3,679 Answers

Yep master cylinder , check the vacuum pipe is intact on the servo but more likely the cylinder ,while some one pumps pedal look into the fluid res and if bubble's are seen def the cylinder

Posted on May 08, 2014

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: 1997 Buick Skylark No BRAKES

Try bleeding the master cylinder after it has been installed, the same way you bleed lines. Just crack the lines a smidge. And I mean a tiny smidge. It worked on my 97 protege.

Posted on Feb 27, 2009

cadman000
  • 607 Answers

SOURCE: 1999 Pontiac Bonneville SE 3800 ABS Brake pedal will eventually reach floor after stopping while hold car stopped. Brake pads replaced less than 5000 miles ago. Fluid level at max and does not drop. O

I would replace the MASTER CYLINDER. BLEED AIR from master cylinder BEFORE INSTALLATION. Hope this helps

Posted on May 18, 2009

redbeard00
  • 957 Answers

SOURCE: spongy brakes

Does sound like you need a new master cylinder. On a 2000 you wont need to back bleed. You will just need to follow the instruction and bleed the master and all four points. you will probably need to bleed the ABS block and proportioning valve but only if they have bleeders on them.

Posted on Jun 01, 2009

emissionwiz
  • 75822 Answers

SOURCE: brake pedal dropping to floor

do u have the antilock brake bleeding tool? if not you will need to have the dealer bleed the brakes, the ABS control valve must be electricaly held open to bleed the brakes there of course is a special tool for this.

Posted on Oct 18, 2009

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SOURCE: Brakes are still spongy after changing the pads, one caliper, and master cylinder. bled front brakes.

I just went to Brake Masters this morning and had them replace the Master Cylinder since I was experiencing the pedal very spongy and going to the floor. When they replaced the Master Cylinder and they gave me back the car, the brakes were still spongy and going to the floor. I addressed this to them and they took another look at it, but when I took it for a second time, the brakes were extremely spongy. It was almost like they gave me back my car in worst condition to when I brought it in. Can you help?

Posted on Jul 31, 2010

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Is there any grinding? You may need new front brake pads. I might also have the brakes bleed for there may be air in brake line. Thank you and Please leave feedback

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Not likely that the booster is an issue. The booster would not be able to overcome the brake fluid compression.
First open and inspect all brakes for leaks, adjustment, etc. Check all brake lines.
So if no leaks, did the fluid go low in the MC? If so, pad consumption would eat more than a MC reservoir of fluid, and not require MC replacement, but rebleeding and top up of fluid. If the pads are worn, and you replace them, often this will expel air back through the MC.

If you determine the MC is faulty, bench bleed the new one before install, or you will have lots of problems getting air out....

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II was changing my brake pads and accidently unscrewed the bolt to my break fluid. I finished the pads and went to set the brake and it just went to the floorboard and checked brake fluid. the resivoir was...


WHEN FINISH REPLACING BRAKE PADS.MAKE SURE MASTER CYLINDER COVER ON FLUID LEVEL OKAY.YOU PUMP BRAKE PEDAL UNTIL BRAKE PEDAL GET FIRM HARD.IF BRAKE PEDAL KEEP GOING TO THE FLOOR YOU HAVE AIR IN THE HYDRALIC BRAKE SYSTEM.BRAKE SYSTEM NEED BLEEDING.DONT DRIVE VECHICLE IF BRAKE PEDAL FEEL SPONGY OR GO TO FLOOR.

Oct 20, 2010 | 1999 Nissan Pathfinder

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My brake pedal is going all the way to the floor. Replaced master cylinder, and brake booster, and new brake pads. What could cause this problem???


You need to bleed the brakes. Look at the brake assembly there should be a little nub with a bolt at the base of it. It takes two people to bleed a brake and you only do them one at a time. Have someone sit in the truck and when you loosen the bleeder nut (little nub with the bolt) have the other person push the brake pedal to the floor. Repeat until no more air bubbles come out. Do this to all of the brakes individually. It is safe to reuse the fluid. Don't let the brake fluid level fall to low or more air will be sucked into the lines.

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Install brake pads on the rear of a 2002 Ford Thunderbird


remove wheel
remove pads, they just clips on to the caliper and will pop right off with a screwdriver.
There are 2 different kinds of calipers that ford uses. on oine you will be able to take a c-clamp and force the piston back into the caliper. ON the other type you have to have a $10 tool from oriellys. This tool will hook to the backside of the caliper and turn the piston back in. ONce the piston is backed off, clip on new pads, and slide over rotor. Should be 1 pad on each side of the rotor.

there is no need to bleed the brakes unless you loosen lines which you shouldnt have to do.

Mar 07, 2010 | 2002 Ford Thunderbird

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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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Brake pedal goes to the floor after you make your initial stop at a red light.while you;re holding the brake


there is either a leak in one of the lines or you have air in the brake lines. start by bleeding your brakes lines and checking you fluid. then see if you notice a leak in which case fix it then bleed that line and you should be good. if not then it could be a bad master cylinder that would be the next step. also if you had your rotors cut down below spec then the pedal could go to the floor and not have much stopping power. same could go for very bad pads. but from what you explained it sounds like a leak

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