Sonata NF (2006-10) :: Brake Pedal Going All The Way To The Floor
Dec 8, 2011
I have a 2007 Sonata GLS 4cyl. Anyhow lately my brake pedal is going right to the floor. The brakes seem to work fine, but if I keep constant pressure on the pedal it will slowly go all the way to the floor. My rear rotors and pads have been changed a couple of months ago and I'm pretty sure my front brakes are good. What could be causing this? I also checked underneath the car for leaks and there doesn't seem to be anything leaking underneath.
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When I press the brake pedal, the car will stop. But if I keep pressing it while the car is stopped, the pedal wants to keep going towards the floor. I have to press hard for it to do this. I have bled the brakes. I've checked the calipers and the hoses for leaks and don't see anything. The master cylinder is topped up and I don't see any fluid underneath it. It doesn't appear to be leaking. The funny thing is, when I turn the engine off and press the pedal, the pedal comes to a stop and doesn't want to move after I pressed on it as hard as I can.
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So I took the pads off and saw pistons that push caliper against rotor were to far out to install new pads. (rear pads were still intact, both front pads were out when i pumped) So im pumped the brakes thinking it would reset them and alls it did was push the fronts out more.. I noticed fluid leaked out of the pistons after fully pushing them out.
After seeing that pushing the pedal only pushed them out and didn't reset them, i pryed them in with a C wrench. Was quite difficult but managed to do it. Note I only did this on the front pads..
Rear was just fine, piston went back in easily. I filled brake fluid fully and still does it - Now pedal hits the floor when i first hit it and seems very light when braking.
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2006 Camry LE 4cyl ABS no stability control, rear drum brakes. The brakes stop the car, but the pedal does go to the floor and it doesn't brake with confidence.
Prior to the repairs everything looked normal (aside from one wheel cylinder, see pic) and there was no leakage. The fluid was at the proper level though dirty.
I replaced the master cylinder and did a complete fluid flush and bleed. I also changed the front pads (it was time anyway) and the passenger side brake hose. I was going to to both hoses, but I wound up snapping the steel line on the PS and spent most of the day dealing with that. I decided not to press my luck with the DS.
I might change the DS hose, since I already bought it. At this point the only thing left is a weak caliper or wheel cylinder seal, or a bad hose (though I don't see any visible bulging when brakes are applied).
My wife was driving on the freeway last week and she applied brakes but they barely stopped the car and the brake light came on. She was able to limp it home without incident but the brake light stayed on and the car was braking poorly. The next day I inspected everything and found no leaks, and the fluid was not low but it was dirty. I drove the car and noticed braking performance was lacking (though it was never great to begin with) but I never saw a brake light. The brake light isn't on at this point.
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My dad drives an '06 Sonata. And he recently broke a brake line and had gotten it fixed. His current problem is that his brake pedal hasn't returned after getting the line fixed. What can he do to fix that? The pedal is really low and is spongy. And his ABS and ESC lights are also on.
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I drive almost all the time in stop and go traffic and my knee hurts because the brake pedal is too high. My wife also noticed that the brake pedal is unusually high. Is there any adjustment I can make to lower the brake pedal?
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This afternoon while I was driving home from work I heard a minor squeak so I put the windows up and the radio off. t I heard my brake pedals chirp. It's a small minor squeak, but I hear it and it's bothering me. Am I over thinking this?
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My Sonata 2008 2.4 produces a single click as I press brake pedal, somewhere half way through. You can hear it and feel it with your foot. I think it clicks somewhere inside the hydraulic system of the brake.
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I have only 42k km or 26 k miles. Brake stops but soft. The brake pedal sink if you apply pressure after a stop. Feels like someone open a valve. The pedal go to very low. I am find the stopping power is poor. Brake fluid is brownish. I hope it is not the master cylinder.
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I just noticed it this morning. When I step on my brake pedal, all 3 brake lights activate, then they start to sporadically blink, I don't think it's a fuse problem, since the 3rd brake light also blinks, and I believe it runs independent of the regular brake lights.
What to check.. No codes are being listed, checked that with my Scangauge II already. (2006 GLS)
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I was driving around today and had to hit the brakes really hard for the first time. ABS kicked in and during the ABS 'action' the brake pedal rapidly went to the floor. With each 'pump' the ABS made it felt like the pedal sunk slightly.
This was on dry pavement, a little gravelly / dirty and the car stopped rapidly, but just as I stopped the pedal was VERY close to the floor, and with just a touch more pressure it did in fact hit bottom.
Sounds to me like the ABS pump needs to be bled, is that right? Can I do that myself with a VAGCOM? I hate having the dealer do anything, even if it is their job. How to SAFELY confirm if cars does / does not do this as well?
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2005 Volvo S60 T5, 90,000 miles. The brake pedal depresses almost to the floor. Dealer service has not had a solution to this problem. All brake components are supposedly nominal. Might pedal position sensor be faulty?
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My 04 Camry is having brake issues. It has 205k miles. The front pads are great and the back shoes are great. (Drums in back) I've had them adjusted multiple times but my pedal still goes almost to the floor. It's not the master cylinder cause I've already replaced that. The pedal doesn't bleed off either. But I have bled the brake lines and there is no air left in the lines.
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My mother went out 2 days ago to go run errands, she stepped on the brake pedal and it went to the floor (car still in garage and in park, low mileage car 81,xxx garage kept). I have not been able to duplicate the issue. The fluid has been changed twice since new, no signs of fluid loss, undercarriage inspection revealed nothing. I am thinking maybe a vacuum hose issue.
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When I go to start and depress the brake pedal it goes all the way to the floor. The brake fluid is at the full mark and my 2011 has only 25k miles. Where should I look since it did not go all the way to the floor when I forst got it with 6K miles.
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I drive a 1991 F-150 Lariat Extended Cab. Out of the blue, my brakes decided they didn't want to work unless the pedal is about 1/2 - 3/4 of the way down to the floor. As soon as I release past that 1/2 mark, they shut off. While this makes it great for tailgaters, it does not make it great for police officers.
We have already replaced the switch thinking maybe it was that, but alas it was not. I was reading in a couple difference places about the multiswitch? However, the symptoms other people had were similar, but not the same. I never tilt my steering wheel, so I dont know if that's the issue!
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2013 Prius c Two, bought brand new with 15 miles on it 5 weeks ago. A few times when driving, I noticed the brakes seemed weak, like they weren't stopping the car very well even at low speeds (My driving is mostly in town on residential streets, so I'm rarely going over 35 MPH. Even so, I'd have to really mash the pedal all the way to the floor to get the car to come to a complete stop, otherwise it would keep moving forward. Several times I ended up about 5-10 feet past the line, sticking the front bumper into cross traffic. Luckily no one hit me. I chalked it up to the quirks of a different car than the one I was used to, and figured if it kept happening I'd take it to the dealership.
On Monday, my wife was stopped at a red light. The light turned green and the car in front of her started to move forward. After a few hundred feet, he suddenly slammed on his brakes. She said her brake pedal went all the way to the floor, and the Prius didn't slow down at all. She hit him going about 25-30 MPH and totaled the Prius. She's an excellent driver and I've been with her before when she's had to panic-stop. She's never driven a car without ABS, so she is used to pushing the pedal hard and keeping her foot on it. She wouldn't even know how to "pump" the pedal. She swears the pedal just went all the way to the floor and the car didn't slow down at all.
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For the past several weeks, my daughter reports that she has to put her foot almost all the way to the floor to get the brakes to work. The brakes do not have an effect until her foot is 1-2 inches from the floor. It usually happens after she has been driving for a while without pressing the brakes. I’ve driven the car numerous times but haven’t been able to replicate the problem. Her commute is approximately 10 miles each way in stop and go traffic. The car is a Volvo xc70 with 200k+ miles. I've had it looked at by a mechanic who didn't find anything but it's continuing to happen. I'm suspicious that it may be a master cylinder problem and concerned about complete brake failure -- should I be?
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I have been working on my 01 Elantra for 2 days now. My problem is that I have absolutely no brake pedal at all, it just goes right to the floor. and this is only when the car is running, when it is off I give it a quick pump and i have a nice firm pedal. I installed a new master cylinder, bench bled it and all that jazz. I replaced the rear brakes and a wheel cylinder, I have also bled the brakes multiple times, and mutliple ways. bled the master while on the car and all the brakes while the car is off and while it is running. I dont know what else could be wrong with this. I looked at all the lines and there are no wet spots, no hoses are swelling up. everything looks top notch...i just have no brakes why.
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My Sienna 2005 experience intermittent complete brake failure 3 times within 18,000 miles,the brake pedal goes to the floor and it does not slow down, so I coast until I stop. However, when I release the brake pedal and then reapply the brakes, it works fine. A non-Toyota mechanic thinks it's due to malfunction of ABS. The dealership is unable to finds error codes and brakes work fine when the Sienna is in their hands. I scared that the brakes will not work the next time I reapply the brakes.
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I have a 99 Blazer 4x4 with ABS. Brake pedal just went to the floor and car stopped eventually ... a bit scary. I've checked all the brake lines and the inside of all wheels and there is no sign of fluid anywhere. All pistons seem to be where they need to be with backing plates nicely visible.
I pumped the brakes quite a few times and same result ... but I'm not pumping fluid on the ground. As expected I've also checked the reservoir and its full. Didn't see any leaks so its full. I'm guessing that the master cylinder has given up the ghost ... truck has 470,000km so things wear out.
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