Hello everyone,
Notice few days ago, while driving in town with window down, that the turbo is pretty lively, at any gears from 1500 the turbo just hissing away quiet loudly i say (quiet nice to hear to be honest) haven't notice any lost of power or bad consumption
Is it normal ? or could it be an air leak somewhere ?
THanks
Turbo Hissing
Moderator: Moderators
- steve_earwig
- Moderator
- Posts: 19812
- Joined: Thu Oct 04, 2007 6:09 pm
- Location: Jastrebarsko, Croatia http://www.jastrebarsko.hr/lokacija/
Re: Turbo Hissing
With the windows down you should be able to hear it, although if it's very loud there might be a problem.
Unskilled meddling sin©e 2007
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- 3.0 24v
- Posts: 663
- Joined: Mon Oct 29, 2007 2:47 pm
- Location: Bridgwater Somerset M5 Junction 24
Re: Turbo Hissing
As steve says, it's all down to how loud the hiss is?
1999 HDI 110 GLX Estate Sold On at 230,000 miles to the lucky John
2003 HDI 110 Rapier Estate
1998 D8 1.9XUD Estate LX 7 seater Estate sold, with regret
1999 306 1.8 petrol.
2003 HDI 110 Rapier Estate
1998 D8 1.9XUD Estate LX 7 seater Estate sold, with regret
1999 306 1.8 petrol.
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- 1.6 8v
- Posts: 15
- Joined: Thu Jan 17, 2013 6:26 pm
Re: Turbo Hissing
Well, it wont blow your ears drum out.
Its just quiet noticeable around town, make head turn a bit.
Its just quiet noticeable around town, make head turn a bit.
- Welly
- The moderator formally known as Welton
- Posts: 15033
- Joined: Tue Jan 10, 2006 12:52 pm
- Location: East Midlandfordshire
Re: Turbo Hissing
Check underneath the bottom intercooler hose (assuming a HDi?) it can rub-through due to engine movement. Mine went all of a sudden and was *loud*
but a certain amount of hissing/whistle is normal.

Cars in my care:
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2013 Renner Twingo - donkey work
2021 Kia Spottage 1.6 Pez Turbo Dual Clutch Gearbox Trickery
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