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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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Strange noise at 30 mphViews : 345 Replies : 2Users Viewing This Thread : |
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Jun 17th, 2018, 20:25 | #1 |
Yoorkshireman
Last Online: Feb 9th, 2021 22:14
Join Date: Mar 2016
Location: Beverley
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Strange noise at 30 mph
Hi all,
2008 V70 2.4d, 83k. Have done nearly 50k miles since taking ownership just over two years ago, superb reliability. In the last few thousand miles I’ve noticed a strange noise only in 4th gear and at 30mph. It doesn’t do it all the time, maybe 80% of the time. Difficult to describe sound, sort of chuffing/catching noise. It’s coming from the near side end of engine (clutch/gearbox).... any ideas? Is this the DMF starting to go? Gearbox fault? Also only occurs on flat roads, ie light throttle, disappears under load or going downhill. Doesn’t occur in any other gear or at any other speed. Have looked under bonnet, nothing obvious amiss.... let me know your thoughts. Cheers. S. |
Jun 17th, 2018, 21:58 | #2 |
Monster Raving Loony
Last Online: Nov 12th, 2018 20:03
Join Date: Oct 2013
Location: hitchin
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I get the oddest noises at about 42 mph
youre going too fast, too many revs, slow down. bloodyhell Im on the motorway y daft cow.
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1994 850 2.0 bought at 32,000 miles used daily now 45,000. Still like a nearly-new car 2004 filthy polluting diesel VW |
Jun 27th, 2018, 00:27 | #3 |
Yoorkshireman
Last Online: Feb 9th, 2021 22:14
Join Date: Mar 2016
Location: Beverley
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Further thoughts
...could the noise be the stepper motor on the EGR? Is it clogged? Or stuck? MPG has dropped over last few months (47 down to 43 which I had put down to different tyres)...
Thanks in advance for thoughts and opinions. S. |
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