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phn



Member Since: 27 Mar 2015
Location: Norfolk
Posts: 13
United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Java Black
Strange vibration after new wheels / tyres fitted.
Hi,

I have a 2008 Defender 90 XS and just had new wheels fitted (16" sawtooth alloys with BFG AT KO2 265 section tyres) and now there is a strange vibration which can be felt through the steering wheel at 55-70 mph but only on certain road surfaces.

Basically if the road is smooth - no vibration, but the slightest bumps or undulations on the road and then the vibration occurs.
Its not a really bad vibration but its enough to be annoying,

I have had the wheels balanced 3 times and they are supposed to be perfectly balanced, and the fact that there is no juddering on smooth roads probably supports this?

I've also had the rear springs on the landrover changed from Heavy duty to standard county springs.

I was wondering if this vibration was just a 'feature' of the BFG KO2 tyres (previously I had general grabber AT's on) or is it to do with changing to slightly softer springs?

Any ideas what may be causing the issue?

Thanks!
Post #452034 4th Sep 2015 6:01am
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Allan c.



Member Since: 20 Mar 2014
Location: Aude
Posts: 27
France 2009 Defender 110 Puma 2.4 XS CSW Zermatt Silver
Wheel vibration
Hi phn, I have a similar problem new sawtooth wheels and BF Goodrich 265x75x16 tyres.
I have very noticeable vibration between 80to 90 kph, I have had them rebalanced twice and still the same problem.
There is some 200grms of weight been added to these wheels.
These wheels and tyres were purchased in the UK and shipped to me here in France.
Have you solved the problem?
I have had to remove them and put back my boosts.
Thanks
Post #452400 5th Sep 2015 7:48am
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phn



Member Since: 27 Mar 2015
Location: Norfolk
Posts: 13
United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Java Black
Hi Allan,

The issues is not yet solved but the garage says they will investigate this week.

What was interesting is that several of the tyre garages I spoke to said that off road tyres in general were "impossible" to balance properly.

I'll let you know what happens after the car has been to the garage.

Thanks,

Philip.
Post #452646 6th Sep 2015 5:48am
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Lambley



Member Since: 20 Apr 2013
Location: Mid Devon
Posts: 1435
United Kingdom 2006 Defender 90 Td5 HT Java Black
Were the new wheels the Sawtooth 'Style' copies or genuine? I seem to remember somebody else on here having the same problem with copies.
Post #452666 6th Sep 2015 8:02am
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phn



Member Since: 27 Mar 2015
Location: Norfolk
Posts: 13
United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Java Black
I think they are copies, as they cost much less than the genuine Landrover ones.
Post #452668 6th Sep 2015 8:04am
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Lambley



Member Since: 20 Apr 2013
Location: Mid Devon
Posts: 1435
United Kingdom 2006 Defender 90 Td5 HT Java Black
Here's one of the threads...

http://www.defender2.net/forum/topic37566.html?highlight=sawtooth
Post #452670 6th Sep 2015 8:08am
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gazman



Member Since: 17 Aug 2015
Location: Liverpool
Posts: 652
United Kingdom 2003 Defender 90 Td5 HT Alpine White
Are they mud and snow tyres??

I have this on the wife's disco 3 and suffered this on a previous car too. 2014 - current ..... 2003 defender td5 90 (my car)
2009 - current .... 2005 zx10r
Post #452671 6th Sep 2015 8:09am
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phn



Member Since: 27 Mar 2015
Location: Norfolk
Posts: 13
United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Java Black
Yes they are BF Goodrich All Terrain TA KO2 Mud and Snow.

Do you think it is a common factor that all such tyres make the same juddering?
Post #452678 6th Sep 2015 8:26am
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phn



Member Since: 27 Mar 2015
Location: Norfolk
Posts: 13
United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Java Black
Lambley wrote:
Here's one of the threads...

http://www.defender2.net/forum/topic37566.html?highlight=sawtooth



Thanks for the link to that thread - its exactly the problems I have have with the wheels / tyres.
Post #452681 6th Sep 2015 8:29am
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K9F



Member Since: 12 Nov 2009
Location: Bournemouth
Posts: 9610
United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Stornoway Grey
As an alternative and if you're willing to shell out try dynamic balancing beads. Mixed reviews but wheels are constantly balanced and they work extremely well for me. Be wary dependent on whatever supplier chart you look at the recommended weights for specific tyre sizes may vary by up to 100 grammes per tyre and too few and you may experience issues that require more beads adding to them. Read the entire thread. Obviously if there is a manufacturing defect in the wheels there is not much anything can do. Have you considered getting the wheels run on a balancer without tyres to ensure they're straight and true, this is what I did to ensure a good starting point?

Thumbs Up

http://www.defender2.net/forum/topic29747.html?highlight=dynamic If you go through life with your head in the sand....all people will see is an ar5e!!

Treat every day as if it is your last....one day you will be right!!
Post #452691 6th Sep 2015 8:48am
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Allan c.



Member Since: 20 Mar 2014
Location: Aude
Posts: 27
France 2009 Defender 110 Puma 2.4 XS CSW Zermatt Silver
Hi, the sawtooths that I purchased are copies with the BFG all terrain ko2 fitted.
I have now upgraded to a set of bowlers which I am awaiting delivery.
Having had discussions with the supplier there is a possibility that the problem could be with the tyres.
I will update when I have had the tyres fitted to the bowlers.
Could be a nightmare if it is the tyres as I will have to get back to the UK !
Post #452719 6th Sep 2015 10:11am
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K9F



Member Since: 12 Nov 2009
Location: Bournemouth
Posts: 9610
United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Stornoway Grey
What you need is one of these:

ken wrote:
KF your welcome to come over to my workshop and we can spin them up on the balancers

As the workshop is non commercial we can spend as much time as you like to get it right Thumbs Up


A professional tyre fitter/supplier that will dedicate enough time and effort to get it right! If you go through life with your head in the sand....all people will see is an ar5e!!

Treat every day as if it is your last....one day you will be right!!
Post #452786 6th Sep 2015 2:10pm
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