Home > Technical (L405) > Urgent help. Brand new L405, resonating noise, drive shaft |
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Grofus Member Since: 24 Mar 2017 Location: Co Clare Posts: 577 |
Sounds to me like you are being fobbed off. If the dealer has changed parts to remedy something then its not normal. Go and test drive another one the same model and if its quiet, which I suspect it will be, then chuck it back at them and demand a new one.
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16th May 2018 4:40pm |
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hookster Member Since: 29 Jun 2014 Location: york Posts: 26 |
Grofus, you have a point...I didn't reveal that I have been told that a test drive by a tech of another vehicle with 22 inch wheels, reveals an identical characteristic.\
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16th May 2018 5:46pm |
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Grofus Member Since: 24 Mar 2017 Location: Co Clare Posts: 577 |
Probably related to the wheel size loading the wheel bearings. Personally I wouldnt run on bigger than 20" for issues like that. Maybe try smaller wheels
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16th May 2018 6:08pm |
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Vogue Member Since: 31 Jan 2008 Location: on the hill Posts: 3739 |
Your dealer is talking crap - I have 22” Turbines on mine and there is definitely no noises as you describe. However if there is a mechanical issue with a bearing then yes it is possible that the wheels would make it more noticeable - think of a tuning fork and less rubber to absorb the noise from a noisy / faulty bearing 2021 L405 Vogue SE 4.4 V8 DIESEL ~ #17 |
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16th May 2018 6:51pm |
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hookster Member Since: 29 Jun 2014 Location: york Posts: 26 |
when the car is free-wheeling then the car is silent...only when its slotted back into gear does the noise begin...
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16th May 2018 7:01pm |
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Alistair Member Since: 11 Feb 2011 Location: Peterborough / Bordeaux / Andorra Posts: 7925 |
I wouldn't take their word for it - you need to test drive another car with the same engine & wheels and see the difference for yourself |
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16th May 2018 7:39pm |
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Grofus Member Since: 24 Mar 2017 Location: Co Clare Posts: 577 |
Vogue, its not just the extra rubber on smaller rims.
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16th May 2018 7:58pm |
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Alistair Member Since: 11 Feb 2011 Location: Peterborough / Bordeaux / Andorra Posts: 7925 |
22's & 21's are both 275
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16th May 2018 8:04pm |
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Grofus Member Since: 24 Mar 2017 Location: Co Clare Posts: 577 |
There you go then. Its more the rim width than tyre width. Wider rims means the cornering load is moved further from the bearing meaning more force for the same load. Its same prinicpal as using an extension on a spanner to loosen a nut. The wider you go the faster the bearing wears. 2007 Vogue TDV8 in Zermatt Silver with Charcoal |
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16th May 2018 8:12pm |
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Vogue Member Since: 31 Jan 2008 Location: on the hill Posts: 3739 |
Yes but it’s only done 800 miles so it shouldn’t be wear - and mine doesn’t do it on 22” so there is clearly an issue with the car that isn’t related to the wheels 2021 L405 Vogue SE 4.4 V8 DIESEL ~ #17 |
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16th May 2018 8:32pm |
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Grofus Member Since: 24 Mar 2017 Location: Co Clare Posts: 577 |
oh yes, I agree its not right. Just explaining the physics 2007 Vogue TDV8 in Zermatt Silver with Charcoal |
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16th May 2018 8:34pm |
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Vogue Member Since: 31 Jan 2008 Location: on the hill Posts: 3739 |
2021 L405 Vogue SE 4.4 V8 DIESEL ~ #17 |
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16th May 2018 8:35pm |
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chugga90 Member Since: 24 Jul 2015 Location: Chilterns Posts: 153 |
Unnecessary quote removed
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17th May 2018 6:31am |
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zarnd Member Since: 22 May 2014 Location: Kent Posts: 459 |
Might it be tyre noise? If it has been a pre-reg car it has sat for a long time without use so could be an out of shape tyre.
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17th May 2018 8:34am |
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