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bobic
Member Since: 02 Mar 2008
Location: Cork
Posts: 133
  
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| Judder/Vibration at over 110kph |
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Howdy,
My D3 has developed a fairly severe judder/vibration as soon as the speed goes above 110kph and gets progressively worse as speed increases. It doesn't feel like its coming through the steering and it is not gearbox(manual) either.
Any ideas?
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 29th May 2009 3:09 pm |
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John C
Member Since: 28 Aug 2007
Location: East Yorkshire
Posts: 3292
 
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Harmonic dampers in the rear bumper seized, or even caught on the towing electrics? 2020 SDV6 D5 HSE, Carpathian Grey +
2022 Tesla Model Y LR... almost Carpathian Grey
Previously : 2005 TDV6 SE Auto, Cairns Blue (288K) - ours for 16 years
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| 29th May 2009 3:18 pm |
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Willy Eckerslike
Member Since: 12 Jan 2009
Location: N Yorks
Posts: 1612
  
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severe judder/vibration
Harmonic Dampeners
IT'S MORE ssshhh calma calma It's more serious than them bloody harmonic dampeners
Gets worse as the speed increases so most probably wheel / tyre / drive train related.
 Club Pie n Pea
One life....Fish it
D3 Gone but not forgotten
Club Men of Oak
Club Walnut sniffers
D4 Van owner
Ents long lost Uncle
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| 29th May 2009 3:27 pm |
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PaulP
Member Since: 04 May 2007
Location: Barcelona
Posts: 4317
 
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Are you sure the tyres are balanced? If they are, have you been playing in the mud recently?
I had the inside of my wheels caked in sticky mud after last weekend and although I had jet washed them and the outsides were clean I didn't spot that the insides (and behind the spokes) had a load of mud stuck to them....
I've never had so much trouble to clean mud from a car before....it was like glue.
When I got up to 110+km/h the whole car started shaking but it was much more apparent through the steering wheel.
Bear in mind that normally when a wheel goes slightly out of balance you can notice it lightly as a vibration....in my case there was so many lumps of mud stuck to them that it the whole steering wheel was shaking....
Worth checking if you've been off-road lately 2006 Discovery 3 TDV6 SE Auto Buckingham Blue
2007 Golf GT DSG
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| 29th May 2009 4:34 pm |
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stapldm
Member Since: 11 Sep 2006
Location: Swine Town
Posts: 2330
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Yep, try knocking out the badgers and ramblers boots from your rims 
At those speeds, it won't take much mud to cause a wobble. If you can't feel it through the steering wheel then it's probably the back wheels so that should speed the search.
Much less likely issue : A problem I had once with an internally failed tyre. It looked fine, inside and out but it obviously had a failure in the bands that meant there was a relative soft/hard spot. That wheel was easy to balance on the machine as usual, but caused an evil shimmy in the car above 100kph. Only replacing the tyre cured it. Dr. Ian Malcolm:
"Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should."
Transgenic tomato anyone?
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| 29th May 2009 6:39 pm |
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bobic
Member Since: 02 Mar 2008
Location: Cork
Posts: 133
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Cheers lads,
No mucky off-roading for me in a long time so I think stapldm has hit the nail on the head,
stapldm wrote:A problem I had once with an internally failed tyre. It looked fine, inside and out but it obviously had a failure in the bands that meant there was a relative soft/hard spot. That wheel was easy to balance on the machine as usual, but caused an evil shimmy in the car above 100kph. Only replacing the tyre cured it.
I recently had a puncture on the rear wheel. It was repaired and balanced but there must be more internal damage than they though.
Thanks,
Bob
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| 29th May 2009 10:06 pm |
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Roel
Member Since: 16 Aug 2008
Location: home
Posts: 1215
 
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Change with your spare (if you have a full size) and see if that improves it. Roel
1997 Camel Trophy Disco ex-P101JWK (traded it for a Britains 42101)
1984 90 TD5
2005 G4 Disco 3 BN55WPT
Also member of club MTR
and Club Faultmate
Interested in my 4x4 history see my website: www.mudmachine.webklik.nl
Sorry it's in Dutch and with google translator it gets funny.
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| 30th May 2009 5:25 am |
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