Prius (2004-09) :: Metallic Rattle Sound During Acceleration
Jul 10, 2015
I'm back with another question! My 2006 Prius now has 60,XXX miles and the other day while driving with the windows down, I was climbing a hill to my house and when the engine is at a certain RPM, there is a metallic sound that comes from under the car, but more in the front. You can't even hear it when the windows are up barley, but more when they are down, you can hear it, especially when you're beside a wall or guard rail and the sound can reverberate back.
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I've been having a this rattling sound metallic type of rattle when I'm under load, meaning acceleration, on flat or hill side roads, then the sound goes, someone told me it can be the center shaft bearing..
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On the December day my 2013 Prius Five model (hatchback with all the safety add ons, bigger wheels) turned 18 months old, i was on the way to have one of the freebie services. I heard a metallic rattle, seemingly coming from the back of the interior. It continues and I cannot find a source for it. I just read a thread about rattles in the 2011s. Not particularly comforting given what I spent on the car.
Is this something I could have the dealer chase under the warranty? (this is the first new car i ever bought in my 50 years of driving, so my familiarity with new car warranties is a little thin.)
My dealer has been pretty responsive -- swapping out an interior door panel as a freebie when the armrest portion separated from the lower portion and collapsed into the door.
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While driving through a tunnel today I noticed a metallic rattling noise upon acceleration. It goes away immediately when I let me foot off the gas and when I park the car and rev the engine the sound does not occur.
A few days ago, I had to rapidly accelerate and it felt as though I lost power for a split second. I am not sure if these are related, but I am hoping its not some sort of transmission issue (unless that is covered under the hybrid warranty. What was the diagnosis?
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So on my new 2.0T Sonata I noticed a brief metallic rattle in the 2K-3K RPM range when you rev the throttle. I was very concerned.
The sales rep said it may be the heat shielding that is coming lose. He was concerned and said to bring it back when Service is open.
I just got back from the dealer: The service manager didn't know what it was but his tech said it was part of the turbo system, it's a 1/4 inch bar (parallel with the bumper) you can plainly see between the firewall and engine. He said what it did but I forgot to take notes.
I listened to another 2.0 Turbo Sonata on the lot and it has the exact same rattle when rev'd.
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I have been having a grinding/metallic sound when going up hills in 4th/5th gear. It sounds like if you threw metal into moving parts. I believe it's coming from my engine or transmission. When i was at the dealer last month for a campaign and ecm upgrade i mentioned this problem and they replaced the vcm motor assy, however the problem still exists. What could be causing this problem?
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I have a slight ticking/rattle noise under light acceleration. When I get on the on ramp and start accelerating as the rpms go up there is a sweet spot at lower rpm where you can hear it rattle and as the rpms increase it suddenly stops. Its not tied directly to the RPM, but seems to be harmonic or related to a certain frequency. I haven't been able to recreate it in the parking lot. Water pump seems ok, no visible leakage. Hasn't thrown any codes and doesn't sound like pinging/bad gas.
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I've been noticing this one single "metallic" click sound a few months ago, it happens whenever I turn the steering wheel a little over 90 degrees.
The steering intermediate shaft recall has been done summer of last year. I'm not sure if that has anything to do with this sound I'm hearing.
This is a video I made
If you watch this video, you need to turn it up really loud to hear the faint click sound every time I turn the steering wheel past 90 degrees.
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I have a 2012 Prius v 5. There's a metallic rattle sound coming from the drivers side under the car. (I think)
Happens only when going over sharp bumps and even road reflectors. Had this happen on my 2001 Highlander. Turned out to be incorrectly installed brake caliper. Needed new spring clips. Don't think this is the issue in the v. Have about 10k miles.
Can only hear the sound with drivers window down and while driving along a curb, k-rail or wall. What's up?
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Metallic rattle from behind the dash. Seems to happen when I am stopped at a light. rattle comes from behind the dash, doesn't matter if the fan is on or not. Sounds like a thin piece of metal if that sounds accurate.
Belt squeal. First thing in the morning, reversing out of the driveway and put in drive and I get a belt squeal from the engine. Adjust the tensioner or something else?
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Lately I've started having an intermittent metallic noise that has been bugging me. At first it occurred on long runs and sounded like it could have been the brakes or something similar. It is not too loud but is continuous, rather like gently rattling your set of keys.
It got steadily worse and I eventually tracked it down to the passenger seat. When I held the seat the metallic rattle stopped.
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I'm having a problem with my Prius. It pings under acceleration and it sounds like something metallic is rattling. It only happens when I use 87 and 89 oct. I use 91 premium to reduce the ping however, gas prices are rising and I want to go back to 87. There are no warning lights or anything and the ping has been happening for quite some time now.
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My '03 gives a rattle sound under load/acceleration conditions. This does not happen during the warm up period, so it appears that the engine runs lean under acceleration. There is no check engine light on for this. Approx 172k KM, (100k miles). The noise appears worse when it is hot/humid outside. I have run a can of Seafoam through it (half in the crankcase, half in the fuel line), and that doesn't seem to have worked. Therefore, I don't think that it is the injectors. Possibly fuel filter (still original)? Any easy way to test?
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I got my first Prius last week but something started happening I noticed a few days ago, that sometimes (between 30 - 40%) of the time when I brake there is a metallic plinking sound, and directly under where I let my non - driving foot chill out (which is basically the center of the drivers site floorboard), my foot can feel the plink as well
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2012 Prius 3 with solar roof. Most of the time when I go over little divest in the road; just large enough to barely feel, I hear a metallic clicking sound from the front passenger side of the vehicle. It is only audible with the windows down. It only happens if I am going faster than around 10mph. Sometimes I hear a similar sound from the drivers side, but not as much as the passenger side. I do not usually hear it when hitting larger bumps that work the shocks a bit harder.
It really sounds like some loose bits of metal contacting each other. I do not see anything obvious with a quick visual inspection, but I have not raised the vehicle to really get a good look down there.
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When I turn left I hear a jingling, metallic sound in right front end. Only when I turn left not turning right. And when I hit a bump I hear that sound. When I drive into a drive way while turning left it clangs-jingles. I checked everything up front myself can't find anything lose. Whats the Problem?
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When accelerating up a steep grade the engine will ping (rattling metallic sound) when reaching a certain RPM, but stop pinging as I continue to push the accelerator down and increase the RPM. Should I be concerned? Could it be something else, loose exhaust heat shield or something? Or is this normal behavior for a gasoline engine? My old Honda Fit never had engine ping/knock that i can recall in its 200,000km of service running the same 87 octane gas.
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Our 2010 Prius makes a loud metallic slapping sound whenever we drive over the lane marking reflectors on the roads.
Audio recording included....
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I'm having a trouble when accelerating at low rpm the engine begins to rattle. Tried removing the connector plug on the egr, to my surprise the rattle is gone but the engine light comes on saying that the EGR circuit is incomplete. Took it to the dealer and they diagnosed it to be the EGR valve opening but failing to close, so they instead proposed to fill in gas with a bottle of their injector cleaner. That made no difference, so tried replacing the EGR valve but again makes no difference. What could the culprit be?
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04 F150 4.6 ltr Has a tinny rattle during acceleration . Sounds like 2 hammerheads in a washing machine....
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Was about three blocks from home when the front of the car started making a horrific metallic scraping sound as the front wheel turned. I mean LOUD. Did a quick look for something stuck in the wheels somewhere but nothing. It's not like a branch stuck in the wheel sound, but scraping a shovel on a steel beam kind of sound. Braking seems to change the makeup of the sound, but did not stop it. Parked it in the garage.
I pulled the left wheel off, looked and looked, and looked. Nothing. Fear and sadness setting in. Everything looked normal....except....a faint line on the rotor very near the inside edge. Got a mirror and looked some more, and there, wedged on the inside edge of the pad's metal part and the rotor, was a rock the size of a bb. At most. Got a small screwdriver and hammer and popped it out. Done. Sheesh.
Seriously it was so loud it was amazing. So store in file folder for future reference if needed.
The line can be felt barely with a fingernail and is half the width of a pencil lead, and goes under the innermost 1/8" of the pad. I'm thinking do I want the dealer to pull and turn it, or is it going to affect my braking at all. Pretty much gonna leave it be I think.
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