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Home > Technical > Help in chasing down humming |
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blaster1232 Member Since: 11 Aug 2021 Location: Dobele Posts: 100 |
Greetings!
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28th Apr 2024 8:31 am |
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Lightwater Member Since: 21 Aug 2014 Location: Sydney Northern Beaches Posts: 4905 |
Does the humming change on different road surfaces.
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28th Apr 2024 10:49 am |
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blaster1232 Member Since: 11 Aug 2021 Location: Dobele Posts: 100 |
I doubt it is the tyres, as I just switched from winter (Cormoran winter SUV) to summer (Michelin pilot pro) - no difference. In regards to road surfaces - it seems to be more quiet on gravel roads, but then again - gravel is loud in general, so it could be that i just dont hear the humming.
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28th Apr 2024 2:31 pm |
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IanMetro Member Since: 11 Sep 2017 Location: Somerset BS21 Posts: 3107 |
My rear humming sound gradually got louder and louder -- a new rear diff cured the problem. FL2 XS SD4 Auto 2010 2012-2017 (21k - 91k miles) (MY2011)
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28th Apr 2024 5:08 pm |
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Rommel Member Since: 20 Aug 2017 Location: Sandhurst Berkshire Posts: 625 |
So you replaced the Diff was there any warranty on this? was it proffessionaly rebuilt? did you check if they put oil in it ?? has happened before. I would suspect it could be the Diff did it go quiet after it was replaced and the humming came back or was the humming still there after Diff replaced? The only other possibility is the left bearing even if there is no play it can still be worn. 2013 FL2 XS. Defender 90 300 TDi. Defender 90 300 TDi CSW. 1964 MGB Roadster. 1944 Willys MB "Jeep" with bullet holes. (gone) 17 hand Irish Drought Thoroughbred (mostly lame) Nagging Old Boiler. |
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28th Apr 2024 6:07 pm |
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blaster1232 Member Since: 11 Aug 2021 Location: Dobele Posts: 100 |
I cannot fully confirm of the quality, but it seemed good - rotated shaft with hand and no grinding noise was present, where as the old diff had grinding noise even when rotating by hand. Also the same person rebuilt my PTU, which is working perfectly now, so I would count him as a trusted person. In regards to oil - I filled the oil myself so that I would be dead sure that correct oil is filled.
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29th Apr 2024 6:49 am |
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jules Member Since: 13 Dec 2007 Location: The Wilds of Warwickshire Posts: 4937 |
I found this a useful test when I had a wheel bearing fail. Jack up a wheel. spin the wheel and keep a hand on the coil spring. if you can feel a vibration through the coil then wheel bearing likely. Repeat on other side for comparison. Jules |
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29th Apr 2024 7:05 am |
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blaster1232 Member Since: 11 Aug 2021 Location: Dobele Posts: 100 |
Thanks Jules, I will try this out!
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29th Apr 2024 10:00 am |
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blaster1232 Member Since: 11 Aug 2021 Location: Dobele Posts: 100 |
Offtopic, but worth leaving it here:
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29th Apr 2024 10:13 am |
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Dave47 Member Since: 31 Aug 2014 Location: Margate Kent Posts: 1331 |
Have you a link blaster? DAVE. |
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29th Apr 2024 4:59 pm |
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blaster1232 Member Since: 11 Aug 2021 Location: Dobele Posts: 100 |
Update! Although i had recently switched to michelin summer tyres, the thread depth wasnt great and as a last resot i ordered new kleber tyres for summer. THE HUMMING IS GONE. It is amazing how quiet the car is now. ))
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1st May 2024 1:35 pm |
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IanMetro Member Since: 11 Sep 2017 Location: Somerset BS21 Posts: 3107 |
Thanks for letting us know.
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1st May 2024 3:49 pm |
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BossBob Member Since: 30 Sep 2010 Location: Bristol Posts: 1367 |
Told you |
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1st May 2024 4:47 pm |
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Dave47 Member Since: 31 Aug 2014 Location: Margate Kent Posts: 1331 |
Thanks for letting us know the outcome Blaster DAVE. |
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1st May 2024 5:31 pm |
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