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Whistle sounding like blow off valve
#1
Most of the time when I come off the throttle to change gear I get a blow off valve noise (i dont have one fitted) any ideas what it could be?
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#2
dying turbo possibly.

intake pipe to turbo has come off.
Wishes for more power...
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#3
Had this turbo on for only 6000 miles, was in good condition and only done 63k
2nd one is a possibility Smile how can I check this? Easiest way without removing subframe etc?
Cheers Piggy Smile 
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#4
I also have this problem but think my turbo is dieing lol it's done 190k! Still boosts fine tho
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#5
Easiest way to check the intake pipe is to have a look, run your fingers around it to check there's no gap. Can go in through the driver's wheel arch.
306 HDi Deathtrap - 130bhp / 220lbft
...UPGRADING...



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#6
play in turbo centre bush??

haynes manual suggests some may have an oil feed line filter??

shaft floats on oil pressure and bush?
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#7
Play in bush giggidy
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#8
Where can I get one of these bushes from? May be turbo upgrading in the next 6 monthsor so so is it a thing needed to be done asap or not?
Cheers
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#9
The central shaft sits on bearings, you can get new bearing and seal kits from turbo specialists. It's a pretty involved job, not worth it for six months use imo.
306 HDi Deathtrap - 130bhp / 220lbft
...UPGRADING...



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#10
Cheers Poodle
Yeah will just sit it out then
Free dump valvve noise I suppose lol 
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