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Brake pedal goes to floor.no fluid leaks - Cars & Trucks

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6ya6ya
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Posted on Jan 02, 2017

  • 651 Answers

SOURCE: 2005 fx f150 brake pedal

it sounds like you need to bleed the brake lines. it's a two person job, and at least one has to know how to do this. if not you'll have to take it to a brake shop. it also could be a bad brake booster, but your car isn't that old so i don't think it's that.

Posted on Nov 28, 2008

  • 109 Answers

SOURCE: Brake pedal goes down to floor. Putting brake fluid doesn't solve problem. Vehicle must coast to a complete stop.

First look for obvious leaks under the vehicle, especially the inside area of each wheel... If you see fluid, you have either a blown cylinder seal or a bad line (check the rubber hoses to the front and back brakes too) Repair the offending part and bleed the air out of the system... (remember to clean pads or shoes if they have fluid on them)... If you see no hint of leakage anywhere, then suspect the master cylinder... if you remove the master cylinder, check and make sure that it didn't leak fluid into the brake booster diaphragm (Brake fluid will destroy the booster)... as in any repair when you open the system (lose fluid), you will need to bleed out the air to restore function... hope this helps...;-)

Posted on May 04, 2009

badealer888
  • 414 Answers

SOURCE: Brake pedal goes to floor. No fluid leaks found.

More info is needed but air in the system will cause this. No insult intended but the fluid went somewhere.How low are the pads.

Posted on Jun 18, 2009

emissionwiz
  • 75744 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: Brake pedal goes almost to the floor before taking

hi from uk from the symtoms you clearly describe this souns very much like your problem is the brake mater cylinder is faulty this is to say that as it is what is called dual master cyl it operates the front brakes on one piston and the rear brakes on the second piston within the master cyl so if the front piston fails(fluid passes the piston seal and returns to reservoir ) hence no leak ? of fluid externally then pedal travels further and operates 2nd piston for rear brakes and eventually brakes applied ? this is common occurance and mainly on older models/high milage/ not flushing/bleeding fluid annually as recommended intervals ? brake fluid is subjected to heat transfer from pads /shoes then wheel cylinders resulting that fluid becomes compressable resulting in spongy pedal/increase in travel also fluid also absorbs moisture over time with equel symptoms as described above ? unfortunatly nowadays it is difficult to obtain new seals/repair kits to recondition cylinders so you have to replace here in uk unlike years ago you could try bleeding/flushing brake system all cyl's to see if it improves brakes ? you will see dirty/burned fluid on the 1st bleed strokes ? hope you understand all above ? have tried to explain simply? and hope this helps ? if you req more help/info by all means come back ? best wishes from n/west uk

Posted on Feb 19, 2010

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2005 chevy duramax 4x4 brake pedal goes all the way to the floor, ABS light on


You need to add BRAKE fluid. After that, blead your brakes. You need to find out where the brake fluid went. If there are no leaks, you need to check the remaining life on all four brake sets. If you have no leaks, chances are pretty good that you need new brakes.

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1 Answer

My brake pedal goes all the way to the floor


Brake pedal goes to the floor? When does it happen. That is the most important piece of information. Most brake systems are power assisted via vacuum from the engine. Your brake booster is what makes the "power assist" work. There are some specific times when you will feel your brake pedal "fade" to the floor and it is normal due to the cycle of the brake components operation.If your brake pedal goes to the floor every time you step on it, stop driving and get to a repair facility! If the pedal is working when driving and the vehicle seems to be working as it always has, then chances are there is no concern. To be on the safe side, have it checked the next time you are in for any other type of service.There is a sensor inside most brake reservoirs that activates the indicator light in your instrument cluster when the level is lower than it should be. As your brake pads wear down, the system requires more fluid so the level at the reservoir drops setting the light. Same thing if there is a leak. The fluid level drops and the light goes on. This brake fluid leak would most likely be combined with a spongy pedal or a pedal fade every time you step on the brakes. A leak would also almost always have a wet area around the leak. Sometimes the leak can be internal to a part of the car you cannot see, so don't count on it.One easy way to check most brake boosters and the brake system for leaks is to turn the vehicle off and pump the brake pedal. Every time you depress the pedal you should feel the pedal "height" come up and the pedal get harder. After a few firm pumps of the pedal, hold it down. Leave pressure on the pedal for 20 seconds or so. Does the pedal move slowly (or quickly) to the floor? If so then there is a leak somewhere in the system. Keeping pressure on the brake pedal, start the vehicle. Does the pedal no drop? It should. That is the power assisted vacuum kicking in as the engine starts to run.The bottom line is that we are talking about your brakes. Your life, your passengers lives and the lives of others on the road around you depends on that system working properly. If you have any doubts, or feel uncomfortable, take it in to have it looked at. Know specifically what it is doing so that you can have your repair facility look at what you are feeling and tell you if

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94 buick century brake pedal goes to floor and I have no brakes


ck the brake fluid level. if its out, then fill it up, pump the pedal and find the leak.

Sep 07, 2011 | Buick Century Cars & Trucks

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My brake peddel is spongee-soft, and goes to the floor if i prees hard?


when you push pedal hard & pedal goes to floor does brake light come on?
assuming brake fluid leval is ok & didnt run empty have you checked for a leak?
pulling all wheels & inspecting brakes,cylinders, calipers,& lines for leaks.
does the pedal pump up & feel ok with engine running?if so there is air in the system
if it does'nt change the way the pedal feels & no leaks are found & brake linings are ok & adjusted
properly than your master cylinder is leaking internally & needs to be replaced

Jul 05, 2011 | 2001 Chevrolet Silverado

1 Answer

My brake pedal is on the floor and the brake fluid continuously goes low. It seems like the vacuum pressure never builds to keep the pedal off of the floor. Any ideas?


You will need to carefully inspect the entire brake system for leaks. Inspect the front calipers, rear wheel cylinders, all the hoses, the back of the master cylinder, and steel lines. If something looks wet or drips brake fluid it is leaking. If you haven't seen any brake fluid dripping from under the car my first thought is that the rear wheel cylinders are leaking.

If the pedal went to the floor and you didn't have to add fluid than you would more than likely have a bad master cylinder but since you are adding fluid there is a leak somewhere.

Nov 12, 2010 | 1992 Toyota Camry V6

2 Answers

Brake pedal goes to the floor


possible leak in brake system. if not then you have a bad master cylinder. have to replace it.

Aug 30, 2010 | GMC K2500 Cars & Trucks

1 Answer

Brake pedal goes down to floor. Putting brake fluid doesn't solve problem. Vehicle must coast to a complete stop.


First look for obvious leaks under the vehicle, especially the inside area of each wheel... If you see fluid, you have either a blown cylinder seal or a bad line (check the rubber hoses to the front and back brakes too) Repair the offending part and bleed the air out of the system... (remember to clean pads or shoes if they have fluid on them)... If you see no hint of leakage anywhere, then suspect the master cylinder... if you remove the master cylinder, check and make sure that it didn't leak fluid into the brake booster diaphragm (Brake fluid will destroy the booster)... as in any repair when you open the system (lose fluid), you will need to bleed out the air to restore function... hope this helps...;-)

May 04, 2009 | Ford Aerostar Cars & Trucks

1 Answer

Brake pedal will go all the way to the floor


make sure brake fluid is full. then pump brakes for one minuite check the fluid to see if it went down or stayed full. if it went down then check the system for a leak . if it stays full then you will need a new mastercylender . i dont think you have a vacum problem cause this causes a verry stiff brake pedal not one that goes to the floor

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