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whislting noise when on boost????

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Old 11 August 2011, 05:53 PM
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RetroMk1
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Default whislting noise when on boost????

recently had a fmic and hks intake fitted and now the car has developed a high pitched whislting noise when on full boost?

hoping its a leak around the induction somewhere but cant find it!

Any ideas????
Old 11 August 2011, 06:17 PM
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hoyty
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Prob just your turbo whistling or the air being sucked in to your induction nothing to be phased about
Old 11 August 2011, 08:25 PM
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RetroMk1
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It didn't do it at first, its only just come on, its almost deafening, sounds like something about to blow?
Old 11 August 2011, 09:40 PM
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360ste
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Check that all your pipe clamps are tight.
Old 11 August 2011, 09:42 PM
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carpboy
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Bet its a leak
Old 11 August 2011, 09:44 PM
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jayallen
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Yeh leak on one of the joins, sounds like a balloon being let down?
Old 11 August 2011, 09:55 PM
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Jamiesti01
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Originally Posted by RetroMk1
recently had a fmic and hks intake fitted and now the car has developed a high pitched whislting noise when on full boost?

hoping its a leak around the induction somewhere but cant find it!

Any ideas????
Got the exact same problem with mine since fitting fmic checked the clamps and carnt find any air leaks, wondering if turbo may be overboosting
Not pushing it due to still waiting for re-map so finding it hard to pin-point as its only happens on full boost and not a good idea to let it boost without remap.
Old 11 August 2011, 10:03 PM
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hoyty
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Ok if it's just come on it could be a leak or a small hole in one of the joiners
Old 11 August 2011, 10:22 PM
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mylilscooby
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Mine does that just when you get on boost it's normal ain't it?
Old 11 August 2011, 10:31 PM
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RetroMk1
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Not normal I wouldn't say, being mapped next week so hopefully that will sort it, double check all the pipes again.

Yeah is does sound like ballon being let down lol
Old 11 August 2011, 11:21 PM
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360ste
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Get a spray bottle and mix some washing up liquid with water and with engine running spray a section and then get someone to rev it. Any bubbles will show where the leak is.

What dump valve are you using? If a open to atmos might need adjusting as boost is opening it slightly.

Last edited by 360ste; 11 August 2011 at 11:22 PM.
Old 11 August 2011, 11:23 PM
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RetroMk1
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When my old evo had a boost leak it ran like ****. But this isn't effecting the car really, i'll try the washing up liquid thing tomorrow. Cheers
Old 12 August 2011, 08:06 PM
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noturbo
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Some induction kits do just make some crazy noises so maybe just the hks sucking in so much air?

Mines doing something similar at the moment but not as loud as yours by the sounds of it, I'm pretty sure mines a leaky up-pipe as I have a panel filter
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