Prius (2010-12) :: 2009 - Scratching Noise On Cold Startup
Aug 11, 2014
I have a 2009 Gen III T Spirit. Recently, and I think following the recent reflash, I have been getting an extra noise on cold startup. It is a scratching noise that lasts just a couple of seconds about 4 or 5 seconds after pressing the start button. I have tried to attach a short recording but cannot upload an mp3 file so have made it into a zip file.
I have checked whether it is radio by removing fuses 8 and 28 and have also switched off the heater fan, both without any effect.
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I hear a loud screeching noise (like a loose belt) when the 2009 Corolla starts cold. It disappears, and when the car gets a little warmer, it's gone. I had the belt replaced, made no difference. Car runs fine, otherwise.
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When I start my car I hear this very loud noise. I think it is coming from the exhaust but not sure. This only happens when the car is cold(not weather) and after a few minutes the noise is gone. I have aftermarket lowering springs on the car, do you think that caused the problem?(I'm thinking no)...
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Now that we've had negative temps, in the morning on these extreme cold startups, there is a spinning sound coming from the radio / cd that goes for about a minute then doesn't come back. (No cd inside.)
(I'd like to know something before I go into dealer). And no, it's not a subtle sound. Sounds like a cd is trying to eject. And yes, I'm positive it's coming from the radio.
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I hear a loud screeching noise (like a loose belt) when the 2009 Corolla starts cold. It disappears and when the car gets a little warmer, it's gone. I had the belt replaced, made no difference. Car runs fine, otherwise.
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2012 F150, 5.0
Quiet at idle, makes a crinkly, scratching noise under load, becomes almost a rattle or sounds like something is dragging (there isn't anything dragging). I can rev the engine in P and do not get the noise, only when in gear and moving. Quiet when cruising, noise comes on when accelerating. Did not notice the last time I drove it, it sat for a couple of days, then noticed it the next time I drove (yesterday). Took it around the block this morning to see if it was still making the noise, it is.
Obviously, it needs to go to the dealer, but want some info if it's harmful to drive it there, or if I should have it towed.
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Last night I took the turn a bit too sharply and the rear passenger wheel drove onto the curb, and I heard a scratching noise from the rear passenger side. Now I'm worried that I've broken something, because now the passenger side leaf spring feels a bit more bouncy than the one on the driver side. I have never paid any attention to my rear suspension until I drove over that curb, so maybe it was always bouncy. What I'm worrying about is the scratching sound when the wheel was on the curb, could that be the traction control kicking in?
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My G1 prius (2001) started making a grinding noise when I start it up in the morning. There are no warning lights (yet) and it drives fine, but that noise can't be good -- something will fail shortly. I've searched the internet quite thoroughly and there was one similar problem reported, which ended up being linked to the ABS pump. The noise seems to come from the inverter, or somewhere under the inverter. I took a video of it and posted it here.
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my 2007 Prius has been sounding a bit under the weather lately. There is a grinding scratching noise. This happens in either EV or HV modes and is most noticeable when bearing right. The tires are on their last treads, and a bit scalloped but that seems to me to be a different sound.
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Yesterday morning, my 2010 had a very strange noise happen at startup. I'll preface this by saying that it was very early in the morning and I wasn't quite 100% awake, so the exact chain of events are a little foggy to me.
It was about 65 degrees when I went to start the vehicle in the morning. I noticed it was pretty humid out and the first humid morning of the year (I live in central PA). When I hit the power button, a very loud noise came from the engine area. It sounded like metal grinding and the motor having difficulty idling. I depressed the brake to attempt to put the vehicle in drive and the yellow "!" indicator light came on with a message on the on board display (i cant remember what it said). I shut the vehicle down and after a few seconds hit the button again..... same thing. This time, the idling and "grinding-like" noise went away and then the car seemed 100% normal. I noticed there was a little bit of blue smoke coming out of the exhaust while it was idling/grinding roughly.
Perhaps not the smartest thing to do, but I left for work and the vehicle has worked 100% fine since the mishap yesterday morning. In total, I have driven about 150 miles since the issue with no problems.
I read a sticky post concerning a service bulletin for engine knocking at start-up but what i heard seemed to be more than knocking and it was well above 40 degrees.
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My 2010 Prius V just past the 24000km mark. I have a buzzing noise coming from the engine bay during startup. It happens when the interior fan is on. You can hear it clearly after you start the car, during the silence of the "boot up", before the ICE kicks in. I can't be sure if it continues to buzz after that because the sound of the ICE drowns it out. However, If I shut off the fan during the boot up, the buzz disappears. Finally, if I leave the fan off and start the car, there is no buzz.
During a recent oil change, a hybrid technician claims that this is normal. It used to happen infrequently but now it is consistent, so if it was normal, I should have heard it when the car was new.
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Twice during the 6 months that we have owned our 2010 Prius, a loud clattering noise from under the hood occurred upon startup. After shutting it down and restarting, all was normal. It sounded like an engine that was getting ready to throw a connecting rod. The dealer could find nothing wrong and when I contacted Toyota's hot line, they were clueless as well. One service writer suggested the ABS as the source, but I've owned 5 other cars with ABS and never heard anything like it.
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Still considering the change from my '08 F250 to a newer F150 with the EcoBoost. I have been driving as many of them as I can to get a feel for them. My current question is this: if one exhibits the dreaded rattle at cold startup, does it always get worse with more time/miles? I found another one that I'm pretty happy with overall, but it does have the startup rattle for about a second at cold start, and only at cold start. Is it worth the gamble, or should I keep looking? It's got about 108k miles and is otherwise in fantastic condition...
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I have a 2010 Corolla S Got it brand new in november of 2009. Its been 5 years since I had it and never had this problem.
So this has been happening for a month now, and I can't figure out what it is? It only sounds at first startup of the day when the engine is cold and only sounds off for 1 second right when you start the car.
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A lot of videos have audio of a knocking sound, however my sound is more akin to an extra crank of the starter. It's intermittent at best, and I thought it was actually use error until I noticed the sound occurred a few times even when I briefly cranked the engine.
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It has happened three times now on cold startup my car makes this loud hissing sound then the car runs normally. Once a few months ago. Again a few weeks ago and this morning it was pretty cold maybe low 50's. I normally turn the key in the ignition to the "acc" position let it "ding" once then start the car. What could this loud hissing be that only happens on cold startup then the car runs like nothing happened? I called my local mechanic and he said he wouldn't know if he can't recreate the sound. Which you really can't because it happens once every blue moon but I wanna make sure I'm not ignoring a problem that could get worse.
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It almost sounds like somebody is taking a small hammer and banging at the plastic cover on top the engine when the vehicle is started new from cold. After about 8 or 9 knocks it goes away.
Taking it to a dealer soon to get it checked.
2010 Model year. 81k miles.
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My 2010 LE has been having this issue for a little while now. Whenever I start up the car when the engine is still warm, (an hour or two after initially driving it), the engine will sputter for around 3-4 seconds, but will always start up. On cold starts, like every morning, the car will start normally. There are no noticeable rpm problems while driving either.
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I heard some noise when the steering is hard. The noise sounds like squealing or scratching metals. What will be the problem? Is it the EPS system or just the serpentine belt slipping on the alternator?
BTW, the mileage is about 137700.
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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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Just bought a used 2011 Elantra Limited and noticed a scratching sound when the wipers are activated. The result is a small scratch towards the bottom part of the windshield.
I can see exactly what is causing it - there is a spring that allows the wiper arm to pivot and the spring connects to a piece of metal that sticks out a bit when the arm is flat against the windshield. The piece of metal bows out a bit and only touches the windshield for a few inches when the wiper arm is at the bottom of the windshield.
I have tried to bend the wiper arm and also tried to bend the piece of metal to no avail to get the scratching to stop.
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