Prius (2004-09) :: Humming Noise Starting At About 45 Mph - Brake Pedal Clink / Pop Noise
Mar 16, 2016
Two things I have just noticed on my '09 with aprox. 120,000 miles.
Starting at about 45 mph, I am getting a humming noise
Doesn't get louder as speed goes up either, stays the same 45-75 mph
Have Bridgestone Ecopia EP422 tires, did rotation, noise did not change location
Noise does go away gradually when slowing down to a stop (after I have reached 45)
I am deaf on my left side, this is hard to tell where it is coming from
Second is this really odd brake pedal clink / pop noise. When brake pedal is depressed fully to the floor, car ON or OFF, there is a clunk
See attached links to the noise.....
Brake pads / rotors are like new, plenty of life on them. I did have the inverter pump replaced per the recall (I read somewhere this could be related?)
Car OFF -
Car ON -
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I've a UK 2004 gen ii with 69000 miles on the clock. When coming to a stop and also when at a stand still if I press down the brake pedal I get a rather loud creaking sort of noise. I guess that's friction brake related as no noise with using brakes when driving. Also a high pitch squeal when driving and turning steering wheel slightly to the left that stops when you press the brake pedal.
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The truck in my sig. makes a clicking noise when it's in the park and I press the brake pedal down. The click is coming from somewhere up high in the steering column. It doesn't make the clicking noise in any other gear only in park. Might be normal but I don't remember hearing it before?
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I loved my 2009 Prius until this weekend. I just turned over 31,000 miles and now a loud humming noise has developed under the hood while driving. It has not been cold here and this doesn't start until I reach around 24 mph. It remains while the gas engine is running or I'm coasting with the engine off. The humming is there in D or in N and there no sound while turning. When I am under 24 mph the noise is gone. I have set up an appointment with my Toyota dealer for this week, but wanted to know ahead of time if any other Prius owners have had this issue.
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I can hear a strange noise from the front occasionally, independent to my operation. It sound like rolling a cassette tape in a old driver. The sound repeats every several minutes, and lasts about 5 seconds each time.
When I standing outside the car, it hears louder from under the bonnet.
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I've noticed about the last 4 weeks my 2008 touring Prius (85k miles) seems be running louder than it always used to. There is a sort of humming noise that follows the speed of the car, whether the engine is running or not, in neutral or drive. No warning indicators on the dash. No change in mileage observed. Seems slower to accelerate too, though I'm not entirely sure. I'll probably bring it in to get checked.
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I was wondering if this problem is the "Barking" noise that keeps coming up the search or is it another problem. I will include a link to the video down below.
To start off, the Prius is 2010 Prius II and has 120k miles on it. Great Car. Only other problem was AC compressor dying at 90k.
The chirping noise happens when the brake pedal is pressed and does not go away until the release the pedal. It makes the noise regardless of whether the car is on or off.
It makes the noise when the car is stopped and or when the mechanical brake engage at between 0 and 6 mph.
Noise does not occur when the brake switch is removed. Not valid solution since the brake lights will stay on. It does not affect the performance of braking.
Here is the link to the video .... .... ....
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I have a 2008 Prius, and I have a couple noises, one of which is related to the airplane noise. I've noticed recently mine starts to make that humming noise in the 50-60mph range (less so at higher or lower speeds). There is 44,000 miles on the car.
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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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Wife complained about the noise coming from the front. She said it sounds like an engine noise. I took her car for a few days noticed the noise starting at about 25mph+ (near the driver side). Tried to put the engine in N and rev it, while driving, pretty such it is not the engine.
I do notice the noise is getting a bit louder today compared to last week...Did some google search and "it might" be the bearing. Just wonder what to do next. My wife doesn't want to drive it at this time....so she took my truck today
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I have a '98 Buick LeSabre, 112,000 miles and it's white. When I put the ignition key in and turn it without starting it completely I get a humming noise coming from the rear of the car. It lasts about 5 seconds and stops. When I start the car it begins again and continues all the time I'm driving. A friend suggested it might be the fuel pump.
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I traded my 2007 Prius for the 2010 III Prius on 5/30. I had 5 wonderful days with it and on the 6th day, it started.
There is a loud creaking noise when the brake pedal is pushed and released.
The dealership contacted Toyota and did everything that was suggested to correct the problem and no luck.
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I get a clunk noise when stepping on and releasing the brakes occasionally but not always. This occurs even with the engine off and the vehicle stationary. I also hear some other noise like some sort of vacuum servo thing is happening.
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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 a 2004 GX470; bought it new. The last few months I have been hearing a strange noise from the driver's side; seems to be coming from under the floorboard and can sometimes feel a vibration in the brake pedal. The noise is similar to a cat meowing. Have a son who is a GM tech; he said it sounds more electrical than mechanical. It happens mostly when I drive it cold. Seems to also happen more when turning/braking. I had the main belt replaced this summer. Should I have the tension pully replaced?
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I had 2 brake related issues. First was a honking noise when pressing/releasing the brake pedal (covered by T-SB-0363-10, attached below). Second was rear brake squeaks, particularly when backing up (T-SB-0102-11, attached below). I had the squeak issue repaired under a previous TSB a few years ago, but the noise came back after a while, and the updated TSB includes replacing the pads and other parts.
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I recently had a close encounter with some large rocks on a bad road and broke the power steering cooler. I lost some fluid and pressure as I had no brakes and it steered like a log truck. Replaced the damaged part and added fluid. I was informed by ford technician that air in the lines would make noise but would eventually work itself out. Well the brakes work and steering is getting better but it is noisy with steering and brakes. How long should it take to get the air out? PS the fluid looks foamy now. I should also mention it was making a slight humming noise before the incident with the rock.
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I have had my 2013 Prius v for one month. I will occasionally go into my garage and the car will be making noise that sounds like humming.
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I have a humming noise coming from the front end of my 2004 W12. I only notice the noise at highway speeds and it appears to only be audible when I turn the wheel to the right. For example, when traveling on the highway and the road bends slightly to the right or when I move into the right lane, I hear a faint hum coming from the wheel(s).
I started hearing the hum a few days ago but dismissed it as a symptom of my Phaeton Obsessive-Compulsive Disorder (POCD). While driving to and from DC last night on a night out with my wife, she commented on the presence of the hum as well.
I just had the LF wheel bearing replaced 2 weeks ago. Here are some possibilities I'v thought of:
RF wheel bearing
Low Power Steering Fuild
Other Steering Problems (leaking rack)
On a related note, where do you check the power steering fluid level? I can't seem to find the reservoir.
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