Sorry as I am sure its been covered before.
The waste gate on the turbo on my TD6 seems to open quite early leading to a whistle ( quiet normally) I dont know if the fault is the wastegate, manifold pressure sensor opening the wastegate or its just on its way out. seems to drive fine with plenty of power, I do run a plug in box but it whistled before it was fitted.
I have read somewhere that the turbo is variable and it sticks leading to the wastegate opening on overboost if the pressure gets to high. or is the wastegate adjustable????

appreciate any comments advice

Thanks Mine was a blue one!

Also vehicle is preloved so I dont know if its been remapped etc

Ta Mine was a blue one!

If it helps, the turbo on our FF has 'whistled' since the car was new, I have never thought of it as a problem, to be honest I quite like it  12MY Black FF VSE
12MY Orkney Grey HSE Lux RRS

Thanks
Its done it since I had it thats about 10 months ago and nothing has changed just wondered if it was possible to adjust somthing to stop it? Mine was a blue one!

Mine whistles or whooshes also when I take foot off accelerator just thought that's how the turbo sounds..quite like it myself..

You can stop it by decelerating slower, ie letting of the loud pedal slower as the boost then kills itself off and thus there is no excess pressure to bleed off, for the dumpvalve type sound.

For the waste gate one same theory, less go, more slow, less noise I dont often get a woosh unless i have tried to squeeze into fast flowing traffic at low speeds. anything above 40 and the road/tyre noise drowns it out anyway  FFRR MY06 facelift With TDV8 Alloys Zeros/ATR's
Mantec Sump Guard, Rigid Load liner, MY10 BT upgrade.

No idea on the wastegate, but my car whistles when you take your foot of the accelerator. It is normal for a turbo on this model. Tom

Current Drive
2011 4.4 TDV8 Autobiography - Santorini Black - Ivory Leather

Previous Drives
2004 Model Vogue Td6 (Touchscreen) - Java Black - Parchment Leather
1994 RR Classic 3.9 V8 Soft dash - Niagara Grey - Grey Leather
1972 Series III SWB Safari - Green (Hand Painted) - Black Plastic

Thanks chaps but whistle is under power it stops on the overrun when easing off at a steady 60 you can just hear it as if the dumpvalve is just passing a bit?? Mine was a blue one!

this 'might' help andy...

http://www.fullfatrr.com/forum/post12326.html#12326 ... - .- -.




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Andy3681 wrote:

Thanks
Its done it since I had it thats about 10 months ago and nothing has changed just wondered if it was possible to adjust somthing to stop it?

Thanks Scarey/Stan or is it Scarey stan?

I replaced the crankcase filter when I bought the car (along with everything else that was funnily not included in the full service the garage was going to do when I bought it like air, pollen, and fuel filters)and it did not affect the whistle. it just always done it, not got worse over 7k miles so might just be somthing it does would not be happy if it did it from new on a £60k vehicle.
I just think if its bleeding air then its bleeding power? but i think there is an optimum manifold pressure? Has anybody else heard about the vanes sticking on the variable turbo or am i making it up?
or can you adjust the dumpvalve?
not sure how its controlled and rave seems a bit vague
Ta Mine was a blue one!