Prius (Gen 2) :: 2007 Humming Noise Begins At Less Than 20 Mph
Jul 4, 2013
My 2007 Prius Hybrid (92k miles) has developed a loud humming noise. It seems to be coming from in front of the driver side under the hood.
The hum begins at less than 20 mph and changes "pitch" with speed. It sounds like a tire with low air (not the problem). It also changes when the car is turned from side to side. No change in performance or MPG otherwise.
Wheel bearing is what most are saying along with a fluid situation with the transaxle.
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I have just purchased this vehicle with only 19k miles. The problem, if there is one is as follows. At about 55 a vibration begins to occur and stays steady as speed increases. Had all of the tires replaced and thrust forced balanced. Yet still this vibration comes in. The car is perfectly smooth before 50. I drove another 07 of the exact same type and it appears that it had the same issue. Any further information that may alleviate this problem.
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I am the proud owner of a 2010 AWD Santa Fe with 1,600 miles. Over the weekend, I noticed a weird "humming" noise coming from somewhere in the vehicle (it sounds like possibly from the passenger side and from the interior of the vehicle). I only hear the noise when I accelerate. When I brake, the noise stops, and then picks up again when I hit the gas pedal.
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I was installing a new engine mount the one on the tranny and one of my jack stands failed on me, luckily I wasn't under the car. I always put a tire under the car just in case and it worked for me, but now whenever I accelerate I have a humming/whining noise. Can this be the transmission? This is on the 07 Camry 4 Cylinder.
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I have a2007 Camry SE and this morning it was quite cold and when i started it it was making a unusual humming noise. my girlfriend said it contined to make the noise while accelerating. Just started the first time today.
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I have a 2011 with 42k. While doing a front brake job, I noticed that the driver's side wheel hub while rotating it sounded noisy, it did not rotate as smoothly when compared to the right side. I have also noticed while driving that their is a slight humming noise from the front but always attributed it to the Bridgestone Turanazas. Maybe it is the tires and I just over reacting. Is this normal for the hub? Here is a video clip with sound. Is this wheel hub going bad?
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At idle, it sounds like a little diesel engine humming along. Everything is turned off. Does your car sound the same at idle? 2011 LS460 Sport
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I have a 2007 Camry, had it since 06 and just recently I am starting to hear a humming noise when I turn my steering wheel to the left or right.
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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 have a 2007 the front wheel bearing started humming real bad, changed it out. Can't seem to get the right front brake bled good. Did it three times. No air. Today locked up the left wheel upon putting on the brake, the right one ain't working. Is there any thing I can do other than bleed the left front again, check fluid?
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My husband and I bought a used 2010 Hyundai Santa Fe that I like very much. However it has a serious and frightening problem. When driving in the rain, the steering wheel begins to jerk rapidly back and forth. The steering is responsive and smooth at all other times. We did not notice the problem immediately because we have had such a bad drought here that it has not rained much since we have owned the car. In fact, we had owned the car 3 months before we first encountered the problem. We took it to the dealer and they could find nothing wrong, but it wasn't raining. We returned to the service department on a rare day when it was actually raining and still the dealer could find nothing wrong. It seems that uneven or bumpy pavement makes it worse. The tires were in good shape when we got the car and are now getting to the point of needing to be replaced but we can't keep the car as we feel it is unsafe in the rain.
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2007 Camry LE 2.4
I just replaced the rear pads and rotors with no issues other than having to bang the cr@p out of the left rotor with a hammer to get it to come off. Now at pretty much all speeds I am hearing a rythmic humming-type sound that increases and decreases with vehicle speed. It's not a constant hum but more like one-hum-per-tire-revolution type of sound. It is coming from the left side as far as I can tell.
Thinking I had damaged the wheel bearing (and after searching the forums extensively) I replaced it with a brand new bearing from Advance Auto Parts. I re-checked the pads, rotors, all bolts, everything is lubricated properly, etc. Just took it out for a test drive and the noise is still there. Sometimes it gets louder when breaking but not always. I rotated tires and the sound did not follow the tire. The pads aren't stuck or rubbing excessively as far as I can tell.
This sort of thing has happened in the past on the left rear. It would sometimes happen when I swapped the summer tires for my winter tires on steelies, the left rear would make the humming sound, I'd take the wheel off and put it back on 180 degrees rotated and the sound would go away. I've done that a few times too and it has not worked.
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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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My new prius c two has been parked in the garage for 4 hours since getting home from work. I walked out a minute ago to take out the trash and it was making a humming noise, like electric humming.
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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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Was the warmest/hottest day of the year here so far and my black Prius had been parked in the sun all day. When I came to drive the car the a/c came on full power to lower the cabin temperature.
However, from the front of the car the two fans were making a really weird buzzing, humming noise (but were both spinning at high speed). Now I know a/c fans work flat out sometimes but I have never heard a noise like this before on a cars a/c. It almost sounded like the noise a jammed lawnmower makes, or some of the old lifts/elevators doors make. Almost an electrical buzzing noise of a solanoid but it was coming from the two fans.
Is this normal? Was it the fans or maybe the compressor or both? The a/c was working fine and was ice cold. When the cabin temperature reduced the noise reduced a disappeared with it. However, I did manage to repeat it by turning the a/c internal fan speed to full on a low temp setting.
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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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Just got recently used prius 2010 and noticing low humming noise while driving.. every couple of minutes at slow speeds.. not sure how it is at higher speeds. Sounds that noise coming from somewhere front.. and remind like air conditioner in older car moving some parts when you switch from hot to cold . is that normal? sounds happen when ac is on and off.
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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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Got home from work the other day, shut down my 2012 Prius 4 and went into the house. A couple of hours later went into the garage to drop a trash bag and heard a humming/whirling sound from the garage. Walked around the Prius and isolated it coming from the bottom rear of the car. Went and got key, turned the car on, then off again and the noise ceased. What that was? Fuel pump maybe? And why did this occur?
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2013 prius V. Noticed a humming/moaning noise today at very low speeds. Don't think it was the electric motor, as it didn't indicate that it was charging.
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