Kif
Member
Registered: 13th Jan 05
Location: Doncaster, South Yorkshire
User status: Offline
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Not Corsa related but thought I'd ask..
If a turbo is on its way out it sometimes makes a whine like a police siren.. But would I still be able to hear it spool up as it normally would?
Only reason I ask is my car (Leon Cupra) is making both noises??
Hard to explain but could the whine noise possibly be something else?
Cheers 
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BarnshaW
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Registered: 25th Oct 06
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a whine noise could be a boost leak, normally if a turbo is on its way out it will smoke (if seals going) , you could remove turbo and check for this and for movement in the blades (side to side)
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Kif
Member
Registered: 13th Jan 05
Location: Doncaster, South Yorkshire
User status: Offline
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It's not smoking anymore than normal.. Is it usually white smoke when the turbo is going?
I will have a closer look when I get a chance to get under the bonnet
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djgritt
Premium Member
Registered: 1st Nov 07
Location: Dorset Drives: Focus ST / Hyundai i20N
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It shouldn't be smoking atall...
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BarnshaW
Member
Registered: 25th Oct 06
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if its oil passing through the turbo then normally its blue as its burning oil, as said above it shouldn't be smoking much at all - especially not white smoke 
[Edited on 22-07-2015 by BarnshaW]
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Kif
Member
Registered: 13th Jan 05
Location: Doncaster, South Yorkshire
User status: Offline
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When I say that I mean the smallest puff of smoke
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Brett
Premium Member
Registered: 16th Dec 02
Location: Manchester
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lol
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BarnshaW
Member
Registered: 25th Oct 06
User status: Offline
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it could be nothing at all, first thing I would do is check for boost leaks, they can make some really odd noises, if that's all OK then you might need to take it off and have a closer look and go from there
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Kif
Member
Registered: 13th Jan 05
Location: Doncaster, South Yorkshire
User status: Offline
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On startup
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3CorsaMeal
Member
Registered: 11th Apr 02
User status: Offline
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Noticed my audi tdi sometimes does a puff of smoke from exhaust on start up, i blame the aircon as i can't be bothered to go rebuilding another car
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--ToM--
Member
Registered: 23rd Nov 07
Location: Wirral
User status: Offline
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Sounds fucked that m8
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stan_the_man
Member
Registered: 14th Feb 07
Location: Perth, Western Australia
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The 'police siren' noise is a common problem on these from memory. Has a Seat Altea do the same and a mates MK4 Golf also. Never got any worse and didnt dent performance in any way.
As for the smoke, thats not normal, and shouldnt be doing it. Sure its not just steam?
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Bonney
Member
Registered: 14th Nov 04
Location: St Helens
User status: Offline
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My mk5 tdi smoked on start up and made the police siren noise you are talking about, in the end it was starting to make strange noises and boost was all over the place so I just got rid of the car
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Corsa_Sport21
Member
Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
User status: Offline
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quote:
Originally posted by BarnshaW
a whine noise could be a boost leak, normally if a turbo is on its way out it will smoke (if seals going) , you could remove turbo and check for this and for movement in the blades (side to side)
Is it not in and out movement that is more critical than side to side (to a certain extent anyway).
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monkeytwizzel
Member
Registered: 10th Aug 11
Location: Chard, Somerset
User status: Offline
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These engines (amk bam) suffer from cracks in the inlet port to coolant gallery area and as for your wooshy noise check the hot side of your turbo for cracks,my k04 is cracked to fxxx.
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