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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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grinding noise when coldViews : 661 Replies : 16Users Viewing This Thread : |
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Jan 20th, 2020, 20:20 | #11 |
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Last Online: Apr 21st, 2024 08:49
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Location: Glasgow
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It is provoked by a tight turn then continues to vibrate for about half a mile even when going straight then disappears. Had a look under and all looks fine. Beginning to question if it is gearbox related and goes away once oil has given everything a coating? MOT is soon so I need to get to the bottom of it
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Jan 20th, 2020, 20:23 | #12 | |
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Last Online: Aug 20th, 2023 15:06
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Location: Milton Keynes
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Jan 20th, 2020, 20:52 | #13 | |
V70 TDi CD
Last Online: Sep 28th, 2023 23:47
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Location: FALMOUTH..CORNWALL
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I'd still plump for a CV joint or wheel bearing, or as I said before the centre bearing on the long drive shaft. Choice no1 though is CV joint, roller bearings have collapsed on one or more legs of the spider.. Dave..
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My old Turquoise 850 TDi GLT & my present Garnet Red V70 TDi CD My 1998 V70 TDi CD : http://www.volvoforums.org.uk/album.php?albumid=654 |
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Jan 20th, 2020, 21:01 | #14 |
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Last Online: Apr 21st, 2024 08:49
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Location: Glasgow
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Many thanks I will look at changing driveshafts one at a time to see. Do you guys know off the top your heads how many splines a 98 t5 has on the driveshaft? I want to say 36 but I can't remember. Just to make sure I get the right one. Thanks again
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Jan 21st, 2020, 08:28 | #15 | |
V70 TDi CD
Last Online: Sep 28th, 2023 23:47
Join Date: Apr 2008
Location: FALMOUTH..CORNWALL
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As for changing the driveshafts, I do hope we aren't sending you on a wild goose chase mate, its just that from what you've said it seems to point to a CV joint. If you think about it, they are the weak link in the drive train, the point at which the drive is transmitted to the road wheels at varying angles/torques/speeds. I do wish you luck, and hope you get it sorted, and keep us posted as to your progress. Dave..
__________________
My old Turquoise 850 TDi GLT & my present Garnet Red V70 TDi CD My 1998 V70 TDi CD : http://www.volvoforums.org.uk/album.php?albumid=654 |
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Jan 21st, 2020, 22:08 | #16 |
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Last Online: Apr 21st, 2024 08:49
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Location: Glasgow
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Update. The noise disappears instantly when the clutch is depressed. Do you think driveshafts would need to be under engine load to highlight a failing one? I am actually going to be installing an lsd and new clutch very shortly so I'm going to be in the depths of it soon but with the mot looming I am looking to get this sorted first.
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Jan 21st, 2020, 22:32 | #17 | |
V70 TDi CD
Last Online: Sep 28th, 2023 23:47
Join Date: Apr 2008
Location: FALMOUTH..CORNWALL
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Having said that of course, the opposite can apply under certain conditions. Just as a throwaway.. maybe the noise and turning are a coincidence and you have a failing clutch, and or, bearing.. Dave..
__________________
My old Turquoise 850 TDi GLT & my present Garnet Red V70 TDi CD My 1998 V70 TDi CD : http://www.volvoforums.org.uk/album.php?albumid=654 |
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