I have a 2005 4.2 with 89k 4wd. The brake pedal occasionally goes farther towards the floor when coming to the end of a stop. I have bled the brake lines. All brake pads, rotors, and lines are good. Could it still be air in the lines?
View 13 RepliesI have a 95 Accord EX, 4 cylinder with ABS. The brake pedal goes to the floor about once a month, all times of year (I'm in Minnesota). I had the brakes bled last summer, but that didn't work. The ABS light has been on for probably 10 years. When I talked to my mechanic he said the ABS system, even though it's not working, could be a cause of the problem because fluid is still traveling through that system. He said most likely a master cylinder, but no guarantees. He said it could also be one of the brake lines. About 120k miles on it. What are the odds that it's the master cylinder?
View 2 RepliesBack brakes don't bleed. car doesn't stop anymore. The passenger back brake stops even though it doesn't bleed, but the driver side brake doesn't make the tire stop and it doesn't bleed. The e-brake works. I just need to know what could be wrong. 1995 Oldsmobile Cutlass...
View 8 RepliesI was going down the highway at 70mph and came up to a toll booth when the brake pedal went to the floor and the car wouldn't stop. I hit the pedal hard and the car stopped in a very jerky manner as if the abs was initiated. I looked at the dash and the ABS, (!), and brake lights were illuminated. I turned the car off and then on again and the lights were off and the brakes worked normally again.
The Toyota dealer in CT said the weak battery was causing an under-voltage at the stroke sensor and replaced the battery. They told me if I lost my brakes again (!) I should bring it back for a new stroke sensor. In hindsight, I should have just told them to go ahead and replace the sensor. Two days later, driving down Florida route 301 in the rain, a stoplight went from yellow to red in about 3 seconds so I hit the pedal hard. The back brakes immediately locked up, the front wheels kept rolling, the car swerved and slid through the red light intersection sideways.
I counter steered and slid between two cars at the other red light, on the wrong side of the road as I straightened out. The car swerved and slid sideways again in the other direction and then spun around so I finally wound up in the correct lane, and I drove off like nothing happened. I was doing maybe 35-40 at the time and it's a miracle no one got hurt. Again I look down and see the lights illuminated. I cycled the power switch as before, and again the problem went away.
About an hour later the problem came back and this time no amount of power cycling will clear it. Basically what I'm understanding now is that it's the regenerative side that doesn't work with the bad sensor. The hydraulics kick in at around the last 10% of the pedal so the car will still stop, but I have to floor the pedal and that makes the car think your trying to lock up the wheels so it initiates the ABS system which makes stopping jerky and unpredictable. BEWARE the stoke sensor!!! What a dangerous design!! The dealer has the car now...
When coming to a hard stop and downshifting using engine braking, is it normal to have the brake pedal feel like it loses pressure to where the brake pedal pushes down further towards the floor for a split second? What causes that to occur?
View 10 RepliesComing to a stop, clutch pedal just lost all pressure. I can bring it back up, but even the slightest touch will send it to the floor again. I get the brake warning light on the dash. What could be causing this?
View 7 RepliesI 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?
My problem, Brakes. I hardly have any at all (pedal all the way to the floor and hardly stop), yet the front pads are dragging, and heating the rotors. Maybe a bent line? I bled the fronts, and as soon as I loosened the bleeder nipple, a good bit of fluid came out, without pressing the pedal of course. It's dark out now or I would inspect for bent lines. Could there maybe a problem with the booster?
View 6 Replies2005 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?
View 1 RepliesMy 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.
View 14 RepliesMy 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.
View 2 RepliesWhen 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.
View 19 RepliesI 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!
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.
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?
View 7 RepliesWhen 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.
View 2 RepliesI 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.
View 6 RepliesI 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.
View 15 RepliesMy 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.
View 30 RepliesI 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.
A friend brought me a car with the issue that the brake pedal sinks to the floor when braking. She said it was never low on fluid so I replaced the master cylinder and bled all of the lines with a friend pumping the pedal. The pedal would still sink to the floor. I tried vacuum bleeding the brakes and found that the front left consistently had large bubbles.
I Teflon taped the fitting on the calliper and the bleed screw which improved the problem but didn't fix it. I then replaced the calliper. The front left calliper still won't bleed and the brake pedal still goes to the floor. When I bleed it the regular way, the fluid comes out of the bleeder like it bled nicely. Neither of the rubber hoses that connect to the calliper have any visible damage. I had a friend pump the brakes while looking at the hoses and their is no bulge or swelling in them. Could the ABS need to be bled?