Prius (2010-12) :: No Vacuum Sound In Brake Pedal
Jul 9, 2015
ABS, Traction, Brake (red & yellow) bulbs in.
ABS not working
Reduced brake efficiency
Heated brake disks
Regeneration charge indication doesn't go to left side much. But slightly charges battery.
ABS fuses ok in engine room
No vacuum sound in brake pedal
But faster brake actuator sound (every 5sec stop 2sec sound) on stopped ready mode in P. Engine not running.
Bit history;
I had brake light fuse blown. But not knowing was pressing brake pedal hard to start / goto ready mode as display said. So after replacing fuse, had the traction bulb on. After it was reset. Everything was fine. Apart from increased vacuum sound in brake pedal.
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I have a Toyota Corolla 2010 LE. When I'm driving, no matter how fast I drive, I feel a vibration sound. When I press brake pedal, it's worse than driving. I recently replaced front rotors and brake pads. I also replaced whole tires a month ago.
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I have another small issue with my 2004 Prius. I just noticed yesterday that the second I very lightly depress the brake pedal, a little clicking sound is made down below. It sounds like it might be coming from the brake pedal itself or somewhere underneath the hood. It's only when I depress the pedal slightly and it makes pretty much the same sound when I release the pedal. I just had a 5000 mile service done to the car and there were no issues then.
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I can press on the brake pedal when car is off or on and there is a kind of quirky sound made. I can hear a pump sound and then a squeaking or quirky sound. It happens every time I press the pedal when it is stopped, either on or off.
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When I take my foot off the brake pedal quickly, like after a stoplight has turned green, the brake pedal makes a “clump!” sound. I have looked at the pedal mechanism and it is for sure coming from that area. It sounds as if a rubber bumper should be there, but is not. When I take my foot off more slowly, no sound comes from the area. Is this something I need to put on my 5K checkup list? My car has 1700 miles on it now.
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Purchased a used 2010 Gen III a few months ago and have noticed a fast buzz, felt through the floor and brake pedal. It is intermittent but the conditions needed are:
1) Air conditioning running at high speed
2) Vehicle in Drive
3) Immediately approaching a stop, and a few seconds after stopping.
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It seems about once a week the rubber cover that goes over the food pedal for the parking brake comes off. I've been careful to replace it correctly but it still keeps happening? Btw it's a 2010 v with atp ...
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I had a problem with my brakes about 4 months ago. They were making a barking noise when I stepped on the brake pedal. The dealer bled the brakes and reflashed software. Now the problem is back and they say I probably new a new brake actuator. It should be covered by the extended warranty. I hope a new actuator will fix this. I like everything else about the car. (Have 37,000 miles)
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I am looking to buy a 2012 Prius and I test drove it. Everything seems ok except each time I press the brake pedal there is a swoosh noise its as if air is being released from somewhere and I can easily hear it. Is this normal? the car is 95000 km on it. The dealer says it might be a normal hybrid noise. I currently have a 2007 Prius but that does not make this noise.
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I recently purchased a new (to me) 2010 prius and I've been noticing that sometimes, but not always, I hear a fairly loud noise when lifting my foot off the brake pedal. It sounds like a squeak or squeal, and I want to say I can almost feel a tiny bit of resistance in the pedal when it happens though that could be in my head. The noise does NOT occur when pushing down on the pedal (only when lifting), and it seems to only occur when the car is stopped.
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So I noticed this has happened a few times.. If I press on the brake pedal too hard, the indicator light will come on and then turn off a few moments after I depress the brake pedal. This has happened when the car is stationary as well as when I was coming to a stop, it's happened maybe 5 times since I picked the car up a few weeks ago. Is this normal behavior or an indication of a problem? Just an FYI, I'm not talking about when the indicators light up when first starting the car.. This is tied strictly to pressing the brake pedal hard.
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My 2015 Prius with 1,300 miles on it makes a rumble/grumble/moaning/groaning sound after I have come to a complete stop. It can be felt in/on the brake pedal. (Stop light, etc) It lasts for a few seconds then stops.This low rumble has me concerned. It has a slight vibration to it too. (again this is NOT while driving. Only once stopped and foot resting on the brake pedal) I can't confirm it has anything to do with the braking system but seems to come from the general area of the brake pedal and when foot is on the brake. So I assume it's the brake system.
I know about the typical brake servo actuator noise (which is completely normal and I am very familiar with) but thats a light unintrusive noise. Distinct from this low grown noise. (I know the difference) I hope I am correct in assuming the computer would detect if there's anything wrong and throw a light... but I'm new to Priuses. Is this a normal sound/vibration? I know these cars do a lot of electric things so if it's normal, I'll try to ignore it.
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I recently purchased a 2014 Prius with the package 5 trim. I'm completely loving the car, but noticed when stepping on the brake pedal I hear a soft "swoosh" noise from under the dash. Almost like a short vacuum or sucking sound. The car has 500 miles, and I don't recall hearing that noise initially.
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I have the regular Prius 2012, The brake pedal is attached to a rod that goes into a flex boot and then into the ABS module in the Engine compartment. The Boot is leaking sticky greasy/oily fluid. It not a constant leak. Its like it leaked on a Hot day and then stopped leaking.
Its not the one from my car, but its what I'm calling the ABS Mod Is this not just the lubricant for the Pedal or is this real brake fluid from the ABS module leaking into the Car? took it to Toyota and they said they had never seen this before and they are recommending to replace the entire ABS Module and Brake Fluid at a cost of $3346 + Tax. (roughly $2700 in parts)
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We have a new 2015 Prius with 6k on it and we are noticing one solid brief single click when the brake pedal is pressed and/or released. It doesn't happen every time (just some of the time) but it is only noticeable at slow speeds.
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I have a 2010 Prius Hybrid and lately, on an intermittent basis, I will press the brake pedal and push the start button and the dashboard lights up as normal but when I go to put it in gear nothing happens. The last time it happened the fan was running and I couldn't turn it off. It's like the car is all set to go but all the interior controls don't function. I then shut it off and restart it and everything works.
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I have an issue with my 2011 350 that is quite perplexing. I get an intermittent sound... best I can describe it is like a metallic vacuum sound that seems to come from the right rear of the car. There is no pattern to when it arises... comes and goes. I've been to the dealership with it 3 times and of course it did not occur. They must think I am hallucinating. I thought it might be an exhaust problem.
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The brake pedal felt much lower or closer to the floor than normal right after I leased this car.
when I'm driving, when I first press the brake pedal, it seems too low and somewhat vague, maybe squishy would be a better term. The stopping pressure always seems like it varies as the speed reduces and I come to a stop. If I pump the brakes once, the pedal comes up to what seems like normal to me, and the stopping also feels normal.
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2010 TDI DSG 25k miles. Something I just noticed when I was coming off cruise control I went to cancel cruise by stepping on the brake pedal and noticed it vibrating quite a bit (kind of tickled). I tried experimenting with it on the way to work the next day. Seems to happen when the car is under power not coasting. Tires are at 38psi no vibration through the steering wheel or seat, car tracks straight.
My previous two cars were Subaru's WRX and Legacy GT and boxer motors shake a lot but I never noticed a vibration. This could have been happening with the Golf for a while and I just noticed now. I don't think it's the rotors as I was feeling around under the brake pedal with my left foot while accelerating with my right and definitely vibrating. I brought it to the dealer and they replaced the brake pedal carrier bearing/pin and it's a little better but still vibrating. Is this normal?
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I have a question about the bleeding the brake? When I washed my E, I usually spray the wheel and the brake part. I don't know it is a good idea or not. Recently, I felt like I have to step further on the brake pedal to apply the brake.
The force is there and Brake assist is still in effect if I step fast enough. I just felt like the brake pedal is spongy. My E is on 36k right now. Do you think wash the wheel often will cause the problem to brake line?
I have confirmed that my Gf's Elantra is easy and ease to brake than mine. At the mean time, her brake fluid is darker than mine. My brake fluid is full and clear. Maybe I should not wash the wheel more often. Or maybe I get OCD too much?
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Bought a 2004 GX470 a few months ago. Took it into the local Toyota dealer for oil change (40+ miles to nearest Lexus)
They told me I needed to replace front brake pads, so I did that. Immediately after they finished I noticed what I would describe as a clack or clank sound when pressing or releasing the brake pedal.
This sound was not there before. I went back inside and told them, the tech came out and listened and said it would probably go away. I took the car back in a couple weeks later and they applied some type of lube which didn't work. The service rep said that the only way to remove sound was to replace some type of pin.
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