Whine on Turbo
21 January 2006, 10:11 PM
#1
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Whine on Turbo
hi.
help a fellow newbie - went to view a V5 STi Type-R and it had a whine on the turbo... is this is a comon fault on the v5 or just a sign of a bad kept one ? am aware of the AirFlow fault on the MY99 but was surprised to see a V5 which is COMPLETELY standard have a whine on it...
Is it better to replace or rebuild...? what sort of monies are we talking (roughly)
Cheers
p.s has had a rebuilt engine though
help a fellow newbie - went to view a V5 STi Type-R and it had a whine on the turbo... is this is a comon fault on the v5 or just a sign of a bad kept one ? am aware of the AirFlow fault on the MY99 but was surprised to see a V5 which is COMPLETELY standard have a whine on it...
Is it better to replace or rebuild...? what sort of monies are we talking (roughly)
Cheers
p.s has had a rebuilt engine though
21 January 2006, 10:14 PM
#2
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Im not particulary technical minded mate but...........does in whine when you say..rev the engine and once the engine has gone to the idle revs again the turbo is still whineing down??? Mine does that and its now up the clinic having a new turbo fitted....
Joe.....
Joe.....
21 January 2006, 10:22 PM
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yeah - rev the car up and release and you can hear the turbo whine down... gets irritating once you know the sound is there
anyway luckily for me i didnt buy the car as i had a bad feel about it - so on the lookout for another type-r
anyway luckily for me i didnt buy the car as i had a bad feel about it - so on the lookout for another type-r
22 January 2006, 11:49 AM
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Originally Posted by jonjo
Buy mine for 18k if you like 
2.5L
Joe.....
(want a piccy?)
2.5L
Joe.....
(want a piccy?)
22 January 2006, 12:43 PM
#6
This probably isn't a problem.
Mine did it and this was because it had the upgraded vf24 roller bearing turbo, this was an option extra in jap land. The guy who I bought it off of thought it was on the way out al well.
If it boosts ok and doesn't smoke it's probably fine. A good check is to blip the thottle and then switch the engine off. Mines used to wind down over about 10 seconds and was vey noticable with no engine noise to drown it out. A turbo with bearing problems would not do this due to the extra drag on the internals.
Mine did it and this was because it had the upgraded vf24 roller bearing turbo, this was an option extra in jap land. The guy who I bought it off of thought it was on the way out al well.
If it boosts ok and doesn't smoke it's probably fine. A good check is to blip the thottle and then switch the engine off. Mines used to wind down over about 10 seconds and was vey noticable with no engine noise to drown it out. A turbo with bearing problems would not do this due to the extra drag on the internals.
22 January 2006, 12:45 PM
#7
Scooby Regular
Originally Posted by Playsatan
This probably isn't a problem.
Mine did it and this was because it had the upgraded vf24 roller bearing turbo, this was an option extra in jap land. The guy who I bought it off of thought it was on the way out al well.
If it boosts ok and doesn't smoke it's probably fine. A good check is to blip the thottle and then switch the engine off. Mines used to wind down over about 10 seconds and was vey noticable with no engine noise to drown it out. A turbo with bearing problems would not do this due to the extra drag on the internals.
Mine did it and this was because it had the upgraded vf24 roller bearing turbo, this was an option extra in jap land. The guy who I bought it off of thought it was on the way out al well.
If it boosts ok and doesn't smoke it's probably fine. A good check is to blip the thottle and then switch the engine off. Mines used to wind down over about 10 seconds and was vey noticable with no engine noise to drown it out. A turbo with bearing problems would not do this due to the extra drag on the internals.
Joe.....
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22 January 2006, 02:22 PM
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ive recently had a md321 (garret hybrid) put on my 2.5ltr and it has whined since new.when talking to the boys at the clinic they said it was a common occurance and not a problem.
22 January 2006, 04:37 PM
#10
A bit of whistle or whine isn't really a good indication of any fault.
For example:
It is very noticable if there a cone filter (or resonator box is removed), or a decat/performace downpipe is fitted.
Check all pipe work for any obvious leaks.
Now if sounds like a jet engine on take-off, there would cause for serious concern.
But obviously...if you use it as an excuse to knock a few £££ on the selling price
It's not unhead of for a turbo to fail within a short period after an previous engine failure.
For example:
It is very noticable if there a cone filter (or resonator box is removed), or a decat/performace downpipe is fitted.
Check all pipe work for any obvious leaks.
Now if sounds like a jet engine on take-off, there would cause for serious concern.
But obviously...if you use it as an excuse to knock a few £££ on the selling price
It's not unhead of for a turbo to fail within a short period after an previous engine failure.
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