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S80 '06-'16 / V70 & XC70 '07-'16 General Forum for the P3-platform S80 and 70-series models |
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D5 Turbo Whistle...Views : 263 Replies : 5Users Viewing This Thread : |
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Apr 2nd, 2024, 11:02 | #1 |
Brit in Germany
Last Online: Yesterday 13:15
Join Date: Jan 2011
Location: Bremen
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D5 Turbo Whistle...
Hey guys,
A few questions are slowly emerging as I'm driving a lot more compared to before. My D5 (205 hp, twin turbo) seems to like to whistle a lot. At least that is what I would call it. You can hear it nearly all the time. Boost seems good, no leaks or so, at least at idle. Is that normal? I mean, a bit of whistle seems normal for a diesel, but I'm not sure if that is too much. My former experiences with turbos were/are a 1.4l Multiair from Fiat as well as a 1.0l Firefly, also from Fiat. Both petrol and both barely whistled... Cheers Damien
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The Best Nation Is Imagination 2010 V70 (Type 135) D5 (D5244T10) Automatic (TF-80SC) |
Apr 2nd, 2024, 13:55 | #2 |
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Last Online: Yesterday 14:25
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A slight hiss would be normal. If its excessive like gushing air, that's not. A very common issue that can cause a hissing sound is the turbo resonator seals. Underneath the car, there's a pipe that goes to the turbo and the seals can let air pass, as the seal perishes with age.
A clip of the sound it makes might be helpful. Granted, that won't be easy, but its hard to say without listening to it.
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2007 S80 2.4 D5 - 110,000 miles |
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Apr 2nd, 2024, 16:08 | #3 |
Brit in Germany
Last Online: Yesterday 13:15
Join Date: Jan 2011
Location: Bremen
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A clip would be really hard to make, as I can't pick up the noise... I was considering replacing all the intake piping, as it is all now 14 years old, so it is worth doing - even though the whistle noise is nice
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The Best Nation Is Imagination 2010 V70 (Type 135) D5 (D5244T10) Automatic (TF-80SC) |
Apr 2nd, 2024, 19:19 | #5 |
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+1 - Would be a good start.
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2007 S80 2.4 D5 - 110,000 miles |
Apr 2nd, 2024, 20:17 | #6 |
Brit in Germany
Last Online: Yesterday 13:15
Join Date: Jan 2011
Location: Bremen
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I unfortunatley don't have the tool to do that. But I could possibly just pressurise the system... That might just do the job too...
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The Best Nation Is Imagination 2010 V70 (Type 135) D5 (D5244T10) Automatic (TF-80SC) |
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