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850 / S70 & V70 '96-'99 / C70 '97-'05 General Forum for the 850 and P80-platform 70-series models |
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C70 Turbo noise, how bad is it?!Views : 242 Replies : 0Users Viewing This Thread : |
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Jul 21st, 2023, 21:10 | #1 |
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C70 Turbo noise, how bad is it?!
Hi,
My C70 (2.0 low pres turbo) has suddenly starting making a siren like noise when pulling away, I've attached a link to a video https://youtu.be/NAuC7g9dtec Our neighbour at work helped me smoke test it and we found a small leak on the turbo bypass hose and on the big jubilee clip around the intake to turbo connection. This video was taken after we fixed those issues. He checked the intake propeller and there's no movement or damage. He seems to think it's the exhaust side propeller that's gone and I would need a new turbo. I've removed the wastegate actuator this evening to inspect it but I can't see anything obviously wrong with it. It takes reasonable force to pull and doesn't sound like the diaphragm is torn. Of course, I'm not discounting his opinion at all, but wanted others feedback on here before I sell it cheap. Any advice appreciated. |
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