Prius (2004-09) :: Whirring / Grinding Noise In Dash
Oct 29, 2014
I am experiencing this whirring/grinding noise:
Which is the same as this thread : Grinding Noise from Dash | PriusChat
It occurs intermittently when starting up the car, though if I then turn the car off (as in my video) the noise continues.
On that thread the vehicle was in warranty and was fixed by replacing the MFD touchscreen. My 2006 UK Prius is (I believe) out of warranty, and the touchscreen/MFD seems to be working fine. Is there anything I can do preventative on this?
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For about a year and a half I have had an "undiagnosable" noise that started as an intermittent metallic buzzing and has evolved into a constant whirring/grinding noise. The tempo of the noise increases when accelerating; occurs at all speeds and at idle. People say they know when I am approaching they can hear my car from about two blocks away.
My regular 20 year mechanic checked transmission, replaced timing belt (at 65K; now have about 74K); all idler pulleys; checked alternator; He thinks is is the AC drive pulley on the compressor; Hyundai dealership did not know what it is; laymen have suggested is is a power steering pump, reservoir issue. Power steering fluid level is fine. Otherwise, the performance of the car is fine.
Engine is 3.5L V6; 2004, about 74+K
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I owned a 99 f250 a little while ago. Just bought a 2006 crewcab F150 xlt about 2 months ago, and for the past month there has been this unusual grinding or whirring like noise coming from the front passenger side wheel.
I took it to the mechanic and he found a bad wheel bearing on drivers side and replaced it but that wasn't the issue. He could hear the noise but wasn't able to figure out what the actual issue was.
The noise only happens when my foot is on the throttle. (not when coasting) and i also just discovered that it doesn't make any noise at all when put in 4x4.
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I have a 2005 Prius with 218,000 miles. Over the past month or two it's started making a horrible noise, which has finally gotten to the point that I can barely stand driving it. I used to keep my radio around 25 or so, but now need to crank it to twice that to hear anything. I can't tell what it is - it sounds vaguely like wheel bearings, but somehow different. The front bearings and a trans drain/fill was done by an independent shop 6,000 miles ago. That shop says the noise is the transmission and definitely not the bearings. My Toyota dealer says the noise is the bearings and definitely not the transmission.
Here are two videos I took this afternoon, which seem to more or less capture it, though it does sound a bit different recorded on a phone than in the cabin:
(this one has a clearer example of the noise)
Background:
I didn't have any complaints with the car until just before the 200,000 mile service was due, when I started hearing front bearing noise (I've had bearings done in about 5 vehicles, so it sounded pretty obvious to me). I brought it to the dealer and was quoted an outrageous amount for front hub assemblies (they told me they couldn't do the bearings, only the whole hub assembly), sway bar end links, alignment, transmission flush, tire rotation and the engine top end service.
I got a much better quote from my local mechanic who I've used for about 3 years, so I had him do the work. This was back in June, at 212,417. He said that they'd never done the flush on a Prius transmission before, but they had the shop manual and were sure of the procedure, and that their Valvoline rep confirmed the correct fluid, and gave them a written warranty in case of any problems. He did note that "a fair amount of metal shavings came out with the old fluid" when they did a drain and fill (not a flush). He also told me that the tires were worn unevenly so I could expect a bit of road noise after the rotation and re-alignment. They an oil change, sway bar end links, front bearings, tire rotation, alignment and reans drain and fill with Valvoline Max ATF, "Toyota Type WS fluid spec." He told me the same thing about the front hubs being complete assemblies, and the part he listed (PBR930641) appears to agree with that.
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While driving, hear a whirring sound, happens about every ten seconds, lasting for about two...after getting home, shut off engine and this sound continued. Turned on, turned off, still continued. When off, occurs about every 20 seconds.
Continued for the 10-15 minutes I was in the garage. Opened the engine and definitely coming from under the Synergy Hybrid box.
Went out four hours later, and quiet. When I opened the door, sound went on again, lasting for 20-25 seconds....It then stopped and started again, occurring every 15-20 seconds, lasting for about 3 seconds.
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So every once in a while, my A/C starts to sound like it's struggling. The force of the air gets stronger and weaker, and it starts to make a whirring noise (much louder than it should be). The temperature is fine, it's just the blowing air.
It will continue like this for weeks or months, then eventually when I start the car (particularly if I'm in my parking garage at work for some reason?!?! - could be a coincidence) the A/C won't blow at all. If I hold my hand near the vent, I can feel cold air - but it's just sitting there, not getting blown into the cabin.
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My girlfriend just picked up a 2007 Prius Touring, 78,000 miles, original owner. It was a private sale and I took a look at it for her. I'm just learning about the Prius and stuff to look for, but everything looked good on it to me. After purchasing it she noticed a noise coming from the drivers side dash. I searched here and saw that dash rattles are common, but this sounds more like an electric buzzing/whirring noise. The duration of the noise is always about 2 to 3 seconds in length, then it stops. There doesn't seem to be any common factor for when it occurs. Is there anything electric on the drives side dash (far left side, closest to the window), that might be making this noise? It's not super loud, you can't hear it if the radio is on.
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Here is a link to the audio [URL] .... It makes this noise, whether I'm at idle or running, granted it seems to be happen more when moving, its quite intermittent as it stops sometimes. I replaced the serpentine belt a month ago, so it can't be that. Its coming from the front of the engine. Sounds almost like the fan bearings or something below that is scraping. I've turned off the heater and it still does it, but the fan is spinning all the time, so I'm not sure what is going on.In the background you can hear cars going by on the overpass above, but I'm focused on the grinding noise. Car is not moving, its in park and makes the noise when moving also, with gas or at idle.
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2000 GTI
260,000 miles (60% highway)
2.0L 4cylinder AEG
All stock.
I have a new issue developing on the clutch of my car. When I fully press the clutch pedal to change gear, I hear cacophony of grinding, hissing and whirring noise, probably coming from gearbox. When I take my foot off of the clutch pedal completely, the noise is gone. half clutch has reduced amount of these noises. I had this symptom briefly one night two weeks ago and when I topped up oil, this was gone. Tonight, it is back.
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I have a weird issue with my 2002 4x2 manual Nissan Xterra...when I drive along (usually happens when I'm in 3rd or 4th gear), and depress the clutch pedal to start slowing down for traffic, while the gear lever is still in the 3rd or 4th gear position, the rpms start coming down as the car coasts, but then a strange grinding/whirring/grumbling noise starts happening. The noise immediately goes away if I pull the gear lever into neutral, OR if I re-engage the clutch to start accelerating again. So, it only happens when BOTH the clutch pedal is depressed, AND the gear lever is "in gear". What could this be? The car has about 115K miles, but I believe the previous owner changed the clutch recently (80-90K), and the clutch itself feels fine.
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For about a year and a half I have had an "undiagnosable" noise that started as an intermittent metallic buzzing and has evolved into a constant whirring/grinding noise. The tempo of the noise increases when accelerating; occurs at all speeds and at idle. People say they know when I am approaching they can hear my car from about two blocks away. My regular 20 year mechanic checked transmission, replaced timing belt (at 65K; now have about 74K); all idler pulleys; checked alternator; He thinks is is the AC drive pulley on the compressor; Hyundai dealership did not know what it is; laymen have suggested is is a power steering pump, reservoir issue. Power steering fluid level is fine. Otherwise, the performance of the car is fine.
Engine is 3.5L V6; 2004, about 74+K
See more at: [URL] ....
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My Prius has developed a disturbing noise over the past 2 weeks. I believe the noise is coming from the front, driver's side. The faster I go, the louder the noise. It begins shortly after accelerating and doesn't stop until I stop the car.
I didn't think it was a mechanical noise, but now I'm not sure. I feel a slight vibration in the accelerator pedal while the car is making the noise. I'm wondering if this is something in the axle, wheel bearing, transmission, or what.
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Basically I have two problems which will be looked at by Toyota on Friday. But I need to arm myself with ammunition in case I have a debate with the service/repair guy.
Firstly my gen 2 decided not to start for about 10 minutes and gave me the red triangle with an exclamation mark before everything went back to normal again. The car starts every time now but the triangle appears briefly at the start which I don't think was there before. Could this be the 12V battery?
Another thing is grinding noise on full lock to both left and right. What could this be?
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Bought my Prius (2005, with 160K miles) about a month ago and since I've had it I am hearing a metal on metal grinding noise when braking at low speed. How loud the sound is depends on how hard I am on pushing on the brakes. One of my co-workers has the same model and said that his does not make that sound. Not sure if its just because it has after-market brake pads or something? This noise only occurs when braking at low speeds (below 10 MPH) so I assume its an issue with the front brakes.
Is this something I need to get looked at by the dealership? I had a local mechanic that worked on my old Honda beater take a look and he said that the rotors and brake pads looked new and wasn't sure why they'd make noise.
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So my dealer diagnosed my 2007 Prius with a transaxle issue, but what bothers me is that it doesn't make the sound all the time. When I brake lightly, there is no sound and when I brake heavily there isn't either. It is only when I do a medium brake above 7 mph of course and around 20's mph range. I am hoping for something besides the transaxle...maybe a wheel bearing...anything.
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I've got a 2004...it has 90,000 miles. For about the last 5000 miles I've been experiencing - only a few times a month, and totally out of the blue - a grinding noise coming from the front (i think left). This happens when I'm traveling at about 55-58 mph (never at lower speeds). It even happened once when the cruise was set. It gets pretty loud, and i find that if i pull over and stop for a few seconds, then keep going, that it stops. In other words, it seems that breaking to a stop disengages whatever the cause is. Also, no warning lights come on at all...like i said, it happens totally out of the blue. No, it's not the wheel bearing.
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I may be worrying over nothing but lately when I brake or accelerate I hear a grinding noise on my radio. I listen to AM. With my other vehicle it usually meant there was a problem somewhere.
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My car was making a weird grinding noise when braking above 7mph. I did the neutral brake thing and seems to go away sometimes. The dealership said it needed new rotors and brakes, so I went ahead and did that with them, then called me to let me know the sound did not go away. Now they are stating my grinding noise is coming from the "inverter generator" which is what they said was the transmission. I am just curious why this goes away sometimes and if it's related to my previous issues with the car.
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I've got a grinding noise coming from near my water pump. replaced the serpentine belt w no luck. it's got 212,000 miles on it so I'm guessing the water pump is going bad.
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When I drive my prius and make sharp turns or any sort of UTURN, the wheels lock up, automatically brake and there is a grinding noise as if the wheels are rubbing and there is a beeping noise. I took my prius back to the dealer for warranty repairs and the problem persists. is this a normal thing?
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New to me 2005 with 99k miles
I've noticed this strange grinding/clunking/engaging noise. It seems like it sometimes associated with using the brake and shifting gears upon start-up.
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