Noise when decelerating
Hi all,
WRX STi Spec D 07/07 27 k miles - completely standard. I've had this before when decelerating on the motorway in 5th gear, and again this evening in 2nd gear. What I am hearing is what I can only describe as a high pitched vibration of some kind (can't feel a vibration if that makes sense). Tonight I took it up to approx 5.5k RPM and took my foot off the gas - sounded like a high pitched drone. Is this the AVCS or has anyone else heard what I mean? |
It could even be something small like a loose heat-shield or something, Best thing is to get it ramped up at a garage and have a good check.
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i was going say its normal but then read it properly, when decelerating is whine but every impreza ive been in does it, brand new or 10 years old!
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Funny enough iv just heard a strange rattle sound when I come off the accelerator. I think it is a shield or something making a noise under the vibrations made by a Scooby!
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I have a similar thing on my blobeye and I can't track it down
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It could be clutch related....
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Originally Posted by L.J.F
(Post 10869037)
It could be clutch related....
Hmm, hope not lol! Glad I'm not the only one to have heard this. |
I would say its either a heat sheild (probably one at the front ) or the clutch ate springs rattling.
Unforunatley I have got both and the drive me nuts lol |
I have a annoying whistle from mine when feathering the accelerator on my 05 blob sti, so annoying but I've had mixed feedback on it really.... Must be a scooby thing :)
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Originally Posted by martin850
(Post 10869677)
I would say its either a heat sheild (probably one at the front ) or the clutch ate springs rattling.
Unforunatley I have got both and the drive me nuts lol Why would I hear this (whatever it is) on the deceleration rev range not on the acceleration rev range? It's weird, and really is quite loud. High pitched, wouldn't be ringland issues starting would it? |
Originally Posted by Hawkeye D
(Post 10869689)
Ok, but the clutch is still engaged, it doesn't happen when I dip the clutch.
Why would I hear this (whatever it is) on the deceleration rev range not on the acceleration rev range? It's weird, and really is quite loud. High pitched, wouldn't be ringland issues starting would it? |
Lol :lol1: turn up the music ;) drivetrain noise, chill out captain paranoia ;)
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I get it low down in the revs sometimes as well as when lifting off. Im going to take the dremel to the3 header heatshields.
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Originally Posted by irondrew
(Post 10868964)
Funny enough iv just heard a strange rattle sound when I come off the accelerator. I think it is a shield or something making a noise under the vibrations made by a Scooby!
Originally Posted by Dave Y
(Post 10869028)
I have a similar thing on my blobeye and I can't track it down
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Originally Posted by Hawkeye D
(Post 10869689)
Ok, but the clutch is still engaged, it doesn't happen when I dip the clutch.
Why would I hear this (whatever it is) on the deceleration rev range not on the acceleration rev range? It's weird, and really is quite loud. High pitched, wouldn't be ringland issues starting would it? |
I also have it, and mine is the turbo actuator rod, like others it only happens on lift off the accelorator, so i knock it into neutral.
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Originally Posted by rob84
(Post 10870165)
Check your Up-pipe heatsheild. they are a bugger for breaking the welds off and starting to rattle:thumb:
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Originally Posted by 53
(Post 10870066)
Lol :lol1: turn up the music ;) drivetrain noise, chill out captain paranoia ;)
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It's the drivetrain people
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