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Author Topic: High pitched noise on acceleration  (Read 18078 times)

Offline baldwined30

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High pitched noise on acceleration
« on: August 29, 2011, 03:53:17 pm »
I may have asked this before but, when I accelerate I hear a high pitched noise, I thought it may have been the fuel pump but when I took it to amd they said it couldn't be that as it would make it from tick over! I can even hear it over my twin take! Any any amy ideas!!!
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Offline bacillus

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Re: High pitched noise on acceleration
« Reply #1 on: August 29, 2011, 09:12:41 pm »
Without a sound clip we'll all be just p*ssing in the dark.   :smiley:
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Offline Tfsi_Mike

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Re: High pitched noise on acceleration
« Reply #2 on: August 29, 2011, 09:14:25 pm »
Quote from: bacillus on August 29, 2011, 09:12:41 pm
Without a sound clip we'll all be just p*ssing in the dark.   :smiley:

on a windy night...

Piss all over everything  :grin:
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Offline baldwined30

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Re: High pitched noise on acceleration
« Reply #3 on: August 29, 2011, 09:54:35 pm »
gents very good point, ill try and get one tomorrow!!!
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Ed30

Offline parks

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Re: High pitched noise on acceleration
« Reply #4 on: August 29, 2011, 10:13:29 pm »
Had any ice installed recently?
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Offline baldwined30

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Re: High pitched noise on acceleration
« Reply #5 on: August 29, 2011, 10:15:25 pm »
Quote from: parks on August 29, 2011, 10:13:29 pm
Had any ice installed recently?
Na, i thought about interference but its not that as it does it when the head unit is off! its sooo annoying! No real loss of power that i can feel!!
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Offline Weston

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Re: High pitched noise on acceleration
« Reply #6 on: August 29, 2011, 10:47:58 pm »
Mine does this. No idea what it might be but like you say it doesn't appear to impact on performance. Is yours only during heavy acceleration?
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Offline baldwined30

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Re: High pitched noise on acceleration
« Reply #7 on: August 30, 2011, 09:03:10 am »
Well it seems to happen when its colder, there's a guy on audi-net and on here I think that's gonna do a health check for me after I've fitted the S3 cooler this weekend! I will prob need a health check after that as its my first big job! Haha
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Offline PDT

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Re: High pitched noise on acceleration
« Reply #8 on: August 30, 2011, 12:54:47 pm »
Is it like a squeek noise rather than a whistle?
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Offline baldwined30

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Re: High pitched noise on acceleration
« Reply #9 on: August 30, 2011, 01:19:46 pm »
Quote from: PDT on August 30, 2011, 12:54:47 pm
Is it like a squeek noise rather than a whistle?
Yes, put foot on acclereter starts, foot off it stops are a few seconds! I've had the cambelt changed as well!
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Ed30

Offline PDT

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Re: High pitched noise on acceleration
« Reply #10 on: August 30, 2011, 01:36:18 pm »
Does it happen under load and at idle, or just when its 'on boost' ?
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Offline baldwined30

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Re: High pitched noise on acceleration
« Reply #11 on: August 30, 2011, 01:37:46 pm »
No doesn't happen on idle at all! Only when boosting! Just changed to version D in last few days and that hasn't helped!! At wits end with it!!
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Offline kiddfrost

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Re: High pitched noise on acceleration
« Reply #12 on: August 30, 2011, 01:51:49 pm »
Mine does something similar, may be the same thing. I get a squealing/whistling in the wind type noise between 3 and 4k rpm (when boost is at its peak I believe) under hard acceleration. It may be something to do with the air whistling against something in the pipework or a very minor leak. My next move is to change Revo to stock or wind the boost right down to see what happens.

Similar to:
http://www.mk5golfgti.co.uk/forum/index.php/topic,17401.0.html
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Offline G-Lader

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Re: High pitched noise on acceleration
« Reply #13 on: August 30, 2011, 02:36:31 pm »
Could be a boost leak or the turbo on it's way out........
Does it sound like a dentists drill?? If so more than likely the turbo........ :scared:
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Offline baldwined30

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Re: High pitched noise on acceleration
« Reply #14 on: August 30, 2011, 02:37:34 pm »
Any way of checking this??? How much is a KO4??
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