2 liter turbo whistling noise under acceleration
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2 liter turbo whistling noise under acceleration
hi guys.
so my 2006 jetta 2.0FSi ,with rather high mileage, is making a whissling noise under acceleration.
it gets worse as the engine heats up.
the car does not use oil more than i think it should. about 500ml every 4 tanks or so.
the car does not smoke.
it feels as though the car has not lost any power.
I recorded the sound this morning and will try and upload the file. (if i can figure out how)
my mechanic says its turbo, but he doesn't work on turbos. i think it might be something else.
any advice please guys?
car has 330 000 kilos on the clock and has never missed a beat, apart from an injector that needed replacement once.
thanks.
so my 2006 jetta 2.0FSi ,with rather high mileage, is making a whissling noise under acceleration.
it gets worse as the engine heats up.
the car does not use oil more than i think it should. about 500ml every 4 tanks or so.
the car does not smoke.
it feels as though the car has not lost any power.
I recorded the sound this morning and will try and upload the file. (if i can figure out how)
my mechanic says its turbo, but he doesn't work on turbos. i think it might be something else.
any advice please guys?
car has 330 000 kilos on the clock and has never missed a beat, apart from an injector that needed replacement once.
thanks.
Current 1.8 TSi CC
Hers 2011 Passat 1.8 TSi
ex 2.0 FSi MKV Jetta
ex 1.9TDi MKIV Jetta
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ex Mazda 323
Hers 2011 Passat 1.8 TSi
ex 2.0 FSi MKV Jetta
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Re: 2 liter turbo whistling noise under acceleration
ok, this link should have the sound recording of the noise the car makes. its not very clear, but maybe it can help?
thanks!
https://drive.google.com/drive/folders/ ... sp=sharing
thanks!
https://drive.google.com/drive/folders/ ... sp=sharing
Current 1.8 TSi CC
Hers 2011 Passat 1.8 TSi
ex 2.0 FSi MKV Jetta
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ex 1.4 Kadett
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ex 2.0 FSi MKV Jetta
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- panic-mechanic
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Re: 2 liter turbo whistling noise under acceleration
really cannot hear any whisteling on the clip but yes commonly it is caused by a turbo intake wheel that has gone out of balance. It happens when the wheel touches the housing and is caused by wear or failing bearing. Time to redo turbo or at least get it looked at.
Stephan van Tonder - Jhb - Putfontein Benoni
'05 Audi A6 3.0L TDI Avant
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Re: 2 liter turbo whistling noise under acceleration
Thanks Panic.
Have the car booked in for Thursday morning - at Bosch - not sure where else to take it.
Driving it today, I agree that it does sound like a blade could be scraping the inside of the housing.
Oh well, will report back when I know more.
Cheers
Have the car booked in for Thursday morning - at Bosch - not sure where else to take it.
Driving it today, I agree that it does sound like a blade could be scraping the inside of the housing.
Oh well, will report back when I know more.
Cheers
Current 1.8 TSi CC
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ex Mazda 323
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Re: 2 liter turbo whistling noise under acceleration
In pretoria you can also try this guy. Trevor greene. 0833095033. Will be cheaper than bosch for sure and he knows turbos and those engines well.
Stephan van Tonder - Jhb - Putfontein Benoni
'05 Audi A6 3.0L TDI Avant
'09 Touareg 3l TDI
'13 VW CC 2l tdi (repair project)
'05 Touareg v10
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'05 Audi A6 3.0L TDI Avant
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'05 Touareg v10
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- marzbars
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Re: 2 liter turbo whistling noise under acceleration
alternatively if the turbo is fine, it could be a boost leak
Current : 2011 Audi A5 2.0TFSI
Current : 1988 VW Corrado
Ex : 1984 VW Jetta GLS 1.6 Automatic
Ex : 1990 VW Golf CSL 1.6
Ex : 2005 Audi A4 Avant(B7) 3.0TDI V6 Quattro
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Re: 2 liter turbo whistling noise under acceleration
marzbars wrote:alternatively if the turbo is fine, it could be a boost leak
Jeez Mars, for my pocket's sake I hope you are right...
Current 1.8 TSi CC
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Re: 2 liter turbo whistling noise under acceleration
OK, bosch had a look and turbo is fine
They suspect leaking manifold.
car going in Monday - will report back.
They suspect leaking manifold.
car going in Monday - will report back.
Current 1.8 TSi CC
Hers 2011 Passat 1.8 TSi
ex 2.0 FSi MKV Jetta
ex 1.9TDi MKIV Jetta
ex 1.8 CLX MKIII Jetta
ex 1.4 Kadett
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ex Mazda 323
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ex 2.0 FSi MKV Jetta
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Re: 2 liter turbo whistling noise under acceleration
I was about to suggest a leaking manifold...
One can hear the separate exhaust gas charges coming through. (Well, in my moderately humble opinion, I can. )
One can hear the separate exhaust gas charges coming through. (Well, in my moderately humble opinion, I can. )
Mark R.
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2004 VW Golf TDI, type 1J, AHF, 317k (2016-current) --- daily
1990 VW Fox, type 16, HM, 304k (2005-current) --- spare runaround
Previous:
1992 Audi 500 SE, type C4, AAR (2001-2020) --- nice while it lasted
1983 VW Golf GTS, type 17, FR (1992-2005) --- most fun car I've ever had
1978 Audi 100 GLS 5E, type 43, WC (1991-92) --- died in the side of a Rekord who cut me off
- - - - - - - - - -
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2004 VW Golf TDI, type 1J, AHF, 317k (2016-current) --- daily
1990 VW Fox, type 16, HM, 304k (2005-current) --- spare runaround
Previous:
1992 Audi 500 SE, type C4, AAR (2001-2020) --- nice while it lasted
1983 VW Golf GTS, type 17, FR (1992-2005) --- most fun car I've ever had
1978 Audi 100 GLS 5E, type 43, WC (1991-92) --- died in the side of a Rekord who cut me off
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- panic-mechanic
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Re: 2 liter turbo whistling noise under acceleration
On a petrol,engine if the manifold leaks then the idle will be too high. Me think they are barking up the wrong tree. If it leaks it will be between the turbo and the throttle body.
Unless you are talking exhaust manifold but then it would be blowing noise not whistle.
Unless you are talking exhaust manifold but then it would be blowing noise not whistle.
Stephan van Tonder - Jhb - Putfontein Benoni
'05 Audi A6 3.0L TDI Avant
'09 Touareg 3l TDI
'13 VW CC 2l tdi (repair project)
'05 Touareg v10
Perfect Power dealer. I do dyno tuning.
'05 Audi A6 3.0L TDI Avant
'09 Touareg 3l TDI
'13 VW CC 2l tdi (repair project)
'05 Touareg v10
Perfect Power dealer. I do dyno tuning.
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Re: 2 liter turbo whistling noise under acceleration
panic-mechanic wrote:On a petrol,engine if the manifold leaks then the idle will be too high. Me think they are barking up the wrong tree. If it leaks it will be between the turbo and the throttle body.
Unless you are talking exhaust manifold but then it would be blowing noise not whistle.
But won't that cause loss of power?
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Re: 2 liter turbo whistling noise under acceleration
Exhaust leak will cause loss of power if it is big enough yes.
Stephan van Tonder - Jhb - Putfontein Benoni
'05 Audi A6 3.0L TDI Avant
'09 Touareg 3l TDI
'13 VW CC 2l tdi (repair project)
'05 Touareg v10
Perfect Power dealer. I do dyno tuning.
'05 Audi A6 3.0L TDI Avant
'09 Touareg 3l TDI
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'05 Touareg v10
Perfect Power dealer. I do dyno tuning.
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Re: 2 liter turbo whistling noise under acceleration
Just got the car back.
Turbo was fine, but gasket between turbo and exhaust wasn't.
R3k to get her purring again.
Thanks for everybody's input.
Turbo was fine, but gasket between turbo and exhaust wasn't.
R3k to get her purring again.
Thanks for everybody's input.
Current 1.8 TSi CC
Hers 2011 Passat 1.8 TSi
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ex 1.4 Kadett
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ex Mazda 323
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ex 2.0 FSi MKV Jetta
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Re: 2 liter turbo whistling noise under acceleration
Mother trucker. I really need to relook my pricing. The gasket between the turbo and the exhaust costs around R180 and takes maybe 20mins to undo the 4 bolts and change it.
Stephan van Tonder - Jhb - Putfontein Benoni
'05 Audi A6 3.0L TDI Avant
'09 Touareg 3l TDI
'13 VW CC 2l tdi (repair project)
'05 Touareg v10
Perfect Power dealer. I do dyno tuning.
'05 Audi A6 3.0L TDI Avant
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'05 Touareg v10
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Re: 2 liter turbo whistling noise under acceleration
R3k for a gasket replacement
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Daily Drive: 2014 VW Touareg 3.0 V6 TDi R-Line
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Re: 2 liter turbo whistling noise under acceleration
Feel sorry for some people that don't know how to use a spanner and a rachet...
Lady that works with me paid 3grand for a major service on her getz. NO CAMBELT...
Lady that works with me paid 3grand for a major service on her getz. NO CAMBELT...
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Re: 2 liter turbo whistling noise under acceleration
Could've done a complete down-pipe for that money, gaskets included
1992 Mazda 323 B3 - Masala Mods
2008 VW POLO GTI - 76mm DP + 63mm exhaust , induction, FMIC, Thanas Tuned
2008 VW POLO GTI - 76mm DP + 63mm exhaust , induction, FMIC, Thanas Tuned
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Re: 2 liter turbo whistling noise under acceleration
well, to be fair, about 2600 of the cost was for labour.
and he did gasket on both sides of the turbo.
as for downpipe - I doubt that downpipe is a good idea on a vehicle with > 300K on the odo??
also it's easy to say that it was waaay overpriced - but in my shoes, not so easy. I got 1st opinion from the regular service centre and they said youre turbo is ****. Then these guys said, nope its not the turbo. now after this where should I go to get the job done for significantly less? Iva had my share of backyard mechanics.
and he did gasket on both sides of the turbo.
as for downpipe - I doubt that downpipe is a good idea on a vehicle with > 300K on the odo??
also it's easy to say that it was waaay overpriced - but in my shoes, not so easy. I got 1st opinion from the regular service centre and they said youre turbo is ****. Then these guys said, nope its not the turbo. now after this where should I go to get the job done for significantly less? Iva had my share of backyard mechanics.
Current 1.8 TSi CC
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ex 1.9TDi MKIV Jetta
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ex 1.4 Kadett
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Re: 2 liter turbo whistling noise under acceleration
You basically paid for company overheads and agreed that certain backyards mechanics cannot be trusted but there are good ones too.
If you have a lift , The job itself is quick(2hrs max) just a bunch of nuts and bolts to loosen and even easier done with a air-gun. Gasket's is off with old and on with the new.
Down-pipe wont be a bad idea for your vehicle, considering your mileage , surprised CAT is not blocked or bottle necking, come to think of the a partially blocked cat can put pressure on the manifold , turbo, gaskets since flow is slow
If you have a lift , The job itself is quick(2hrs max) just a bunch of nuts and bolts to loosen and even easier done with a air-gun. Gasket's is off with old and on with the new.
Down-pipe wont be a bad idea for your vehicle, considering your mileage , surprised CAT is not blocked or bottle necking, come to think of the a partially blocked cat can put pressure on the manifold , turbo, gaskets since flow is slow
1992 Mazda 323 B3 - Masala Mods
2008 VW POLO GTI - 76mm DP + 63mm exhaust , induction, FMIC, Thanas Tuned
2008 VW POLO GTI - 76mm DP + 63mm exhaust , induction, FMIC, Thanas Tuned
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Re: 2 liter turbo whistling noise under acceleration
What kind of gain can I expect from a DP? I should probably have the cat checked... But want to sell her as well.
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ex 1.4 Kadett
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Re: 2 liter turbo whistling noise under acceleration
This is an old topic but I’ve got the same noise on my 2016 Caddy 1.9TDi. Any suggestions for a mechanic in Cape Town that can help have a look at this for a fair price?
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Re: 2 liter turbo whistling noise under acceleration
Try J2 Performance in Ottery. Not sure how far away from there you are.Snoobabsy wrote:This is an old topic but I’ve got the same noise on my 2016 Caddy 1.9TDi. Any suggestions for a mechanic in Cape Town that can help have a look at this for a fair price?
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