Prius (2010-12) :: Intermittent Noise While Driving
Aug 30, 2014
2012 Prius V w/24k miles. Have experienced a noise while driving. (best I can describe it is like when moving a straw up and down through the lid on a styrofoam cup). It is intermittent. Have discussed this with the dealer service department at least three times. One tech drove with me said he found a bad front strut which was replaced. It took some time but noise returned. I can hear it when others can't and can feel it through the floor board. It may be muted but also so loud my wife says it sounds like something is going to fall off. Does it at slow speeds across parking lots on smooth surfaces or on road on smooth and rough surfaces in any kind of weather conditions. Will be taking it in for 25k service soon but what to look for.
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I have a 2011 Elantra with about 18,000Km on it. I'm now hearing intermittent high pitch squealing when driving below 40km/hr, seems to be coming from the right side but it's hard to tell.
It tends to go away when I apply the brakes or accelerate. I doubt it's the brake pads.
I remember some time ago while servicing the car at the dealership after the first two years, they recommend to have the brakes cleaned. I opted to not do as I thought it was a cash grab.
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2010 Prius making knocking sounds. Not exactly the "death rattle" that sometimes happens when you first start the car.
* While driving, the sound reminds me of the Raptors in Jurassic World.
See example videos:
Knocking at idle (Knocking Noise starts at ~19 seconds into the video):
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Knocking while driving: (Good examples at ~24 seconds into the video):
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Knocking while driving with Torque OBD2 Monitors: (Noticeable example starts at ~28 seconds into the video):
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The car has over 300K miles and the problem started a few months back. At first the sound only occurred while driving under certain load conditions.
The problem would occur at intermittent times. Normally at low speeds with heavy loads (going up hill with low to medium acceleration). Also occurring for a short time when letting off the accelerator. Never occurring at moderate to heavy acceleration. Never at idle. Recently the shaking / raptor noise started to occur while idling.
* This problem is now easily created at idle each and every time the HV battery drops below 2 bars and requires charging. The engine change is immediate and starts and stops in sync with the extra load of the HV battery charge cycle.
Placing the car in the maintenance mode, the car will start and idle normally then immediately start and stop the knocking when it switches from HV charging to non-charging mode. There are no Check Engine light. Things I've done to troubleshoot the problem:
* Swapped the following parts with another working 2010 Prius.
** Coils and spark plugs
** VVT solenoid
** Cam Sensor
** EGR Valve Control
** Fuel Injectors
** MAF Sensor
** MAP Sensor
** Evap Control Valve
* Cleaned the intake manifold (It was full of carbon)
(This was done about a month before this problem started to intermittently appear). Prior to cleaning the intake manifold the car was shaking and misfiring under certain high torque condition and generating a P0304 check engine code). Once I cleaned the intake manifold the problem was fixed. I had no more check engine incidences and the shake was gone.
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My 2010 Prius has been making an odd noise intermittently while accelerating. I haven't been able to reproduce it for the mechanics (of course). The best description I have for the noise is this. It sounds like the click/rattle sound a car makes when it is stalling. Just sped up. This can happen at any time I accelerate (even at highway speeds) but it usually happens just after I start moving from a stop. When it occurs it feels like there is a drop in engine power and I either have to take my foot off the accelerator, or push down harder and power through.
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My 2010 has the intermittent noise when starting in the cold. Brought car to dealer with printout of the TSB from December and they will not repair it unless they duplicate the noise. Also I read about a rear motor mount to be replaced.
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Last week , I changed the front wheels brake pads and had the mechanic rotating the wheels ( putting the front back and vise versa ). Ever since I had this oscillating noise and vibration when driving at 30-40 km/ hour (20-25 mph) when I speed up the noise change into a high roar without vibration . My prius is V gen 3 model 2010.
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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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Today we heard what sounded like a flag pole clinking while driving in a parking lot. Turns out the sound was coming from my Prius (2010 III). We then heard several sounds, going from the clinking to what sounded like something falling off and something possibly dragging for a few inches. When we stopped to check, we found a large amount of pebbles resting in the belly (body? undercover? the black plastic parts on the bottom?). Tapping the plastic would cause pebbles to fall out.
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Wheel noise when driving at low speeds? It sounds like you can hear the wheels rotating. I'm not sure if its the hubs or what. It defiantly doesn't sound like brake noise.
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16 K miles- the noise level when highway driving is beyond belief-- difficult to hear the radio and conversation is a strain. Tires are beginning to cup. Close a front door with a window open produces cheap noise, not a solid thump. Toyota agrees there is noise, but will do nothing about it. " that is the way they are".
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2013 Elantra (40k miles) just started having intermittent high engine rev while driving at low speeds (30-40 MPH). The rev last 1-3 seconds no engine codes showing up. The transmission does not feel like it is slipping.....
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I just drive my 2011 new Prius class 5 off the lot, and I notice the front driver side or front tire make a lot of noise. Also I turn a low speed I can hear that noise. It sound like a shock noise sometimes and it sound like tire driving on bad surface noise. Pretty much I can hear it all the time the noise is very annoying because my wheel, tire, car is brand new with 49 miles.
I'm asking Prius owner with 17 alloy wheel, do you have the same problem? Or the 15 inch wheel? I test drive the 15 and it was sort of bad but the 17 alloy make a lot of noise. I being to dealer they say it normal because of the big wheel and small tire. The bs to me, on the phone they say they will give me a same car to compare but when I got there there no Model for me to drive.
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I am a relatively new owner of a 2007 Prius and am curious about a sound I hear quite often while driving.
The sound is similar to a cd changer changing disks my package doesn't have the disk changer). It seems to happen when braking but I haven't pinned it down to one catalyst.
It seems to be a normal sound and I am not worried about it since riding in my roommates '07 Prius and heard the same sound.
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Strange thing on my 2006. Driving on curvy road, would occasionally get just the "Red Triangle" exclamation point (for a second or so) -- and also the word "Problem." would flash up on the display.
No permanent check engine light or other icons lighting up. Still getting 40MPH, everything seems to be driving right. Have 135K on the odometer.
Question - does that triangle thing store codes that can be read by an OBDII reader each time it flashes -- or does the check engine light need to be on?
Second Question - Any clue what the word "Problem." with no description could refer to? It goes away at the same time the red triangle goes away.
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I have a 2008 Prius. It has been giving me an engine light intermittently while I am driving. My mechanic could not get an error code to show. It mostly happens while braking or while driving a right hand curve on roads at speed. What might be happening?
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(2008 RX350)... Recently I've noticed that when I'm in park, or driving slowly next to other cars, I can hear an intermittent rattle/chatter, sort of sounds like leaves or crinkling plastic. Also sort of sounds like clutch chatter. The noise is coming from an area near the front-passenger wheel well, sort of near the alternator.
Here's a sound-click of the noise: (ignore the first 3 seconds) [URL] .....
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My concern is I have some intermittent clicking/clunking noise. What causes it is if I start out whether fwd or rev. Or if I am going slow in 1st gear and I let off the gas to slow down or press the gas to speed up (btw 1000rpms and 2000rpms) I was told this noise is the clutch engaging or disengaging, which doesn't make sense because when it happens the clutch is fully engaged.
I have had this noise before 2X and there were things that were loose, which were tightened up and the noise went away. This time local dealer told me sound is normal and to keep an eye on it. To me it doesn't sound right cause its noises I didn't notice before.
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4 cylinder car engine that doesn't shake like a tractor at idle ? I've got a 3 cylinder tractor that idles smoother.
I like my Elantra except for the tire/road noise and the intermittent BAD vibration at idle. It shakes the whole car. Odd that it doesn't do it all the time. AC seems to make it worse......sometimes. I think I can fix the road noise with different tires but fear that the dealer is going to say:" Nothing wrong. They all shake like that at idle."
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Have had some issues with some intermittent clunking when I shift or let off the gas. It only clunks when shifting from 1-2 or 2-3 or when I am btw 1500-2500 rpms and let off the gas to coast a bit. There are times when it won't clunk at all or it does it all the time, I can shift fast or slow doesn't matter. The dealership I bought the car from couldn't find anything wrong on my last service. Also when I put the clutch in sometimes I hear a bit of a clunk as well. Also I notice moving the shifter from gear to gear when shifting feels very notchy, but most of the times its smooth.
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There is an intermittent buzz coming from the center console of my 2010 Prius trim level 2. It seems to be coming from the climate control system. It lasts for about three seconds, and it sounds like a fan with a bad bearing or rubbing against something else.
The buzz occurs when starting the vehicle after it has been off for several hours, and intermittently while driving (maybe once every couple of days), and exactly one minute after powering off. It began occurring a few months ago.
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We've got a 2011 Prius with a little over 24k miles on it . For the last few months we've been having issues with it starting. First I thought the remote barriers were dying so I replaced them , I thought my wife might have been trying to start it incorrectly till the problem happened to me a few weeks ago. What happens is you try to start it (foot on brake, press power button) and all the warming lights pop up , radio turns on , navigation turns on but car doesn't start. This morning it happend just once , yesterday I had to try it maybe 10x before it finally started up. The dealership had it last Saturday and of course it started every time for them and they couldn't duplicate the problem , they also said they ran whatever tests they do on it and it didn't turn up a problem. FWIW we had the software recall update done in June.
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