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NoDo$h
Member Since: 02 May 2006
Location: Finding new and exciting ways to milk badgers.
Posts: 19689
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| Wobbling continues (was "want to borrow some wheels) |
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Anyone Dorset/South Somerset/West Hants /South Wilts have a spare set in 17/18/19 that I could borrow for up to 5 days so I can do a series of full and partial swaps of the current wheels/tyres please?
Having trouble diagnosing a speed related vibration/wheel judder and need to borrow a set of wheels/tyres (road or AT) to exclude the possibility of a defective Tyre. The tyres are new and everything balances up a treat, but I'm still getting wheel vibration I can feel through seat and heels that starts once I hit 60-70 and the vibration remains on slowing to 40 but can't be felt until I first hit the higher speeds.
Wheels/tyres test OK for balance and buckling 
I've got spare rims with MTs on, but nothing with a road or AT Tyre I can use for this.
Any help/suggestions welcome  I know it's not considered "kind" to say no these days, but no. Just no, ok? And if it's not ok, still no.
Last edited by NoDo$h on 1st Dec 2013 6:37 pm. Edited 2 times in total
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 30th Oct 2013 1:17 pm |
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tomcat404
Member Since: 27 Mar 2011
Location: lancaster
Posts: 120
  
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it may be worth looking at your disks and calipers, if these are warped etc this will affect the effect you mention. My D4 had this problem and I too thought it was the wheels. LR replaced the rack, column, discs and calipers on the front under warranty. They suggested it ??
thanks nathan
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| 30th Oct 2013 2:02 pm |
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F355GTS
Member Since: 10 Nov 2008
Location: North Hampshire
Posts: 849
 
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ND
I'll have a set of 19's available to borrow after this coming weekend, I'm just south of Newbury Mark
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| 30th Oct 2013 2:49 pm |
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NoDo$h
Member Since: 02 May 2006
Location: Finding new and exciting ways to milk badgers.
Posts: 19689
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Hi Nathan,
There's no vibration under braking and the disks are of uniform temperature (by axle pair) so unlikely, but will check if wheel swap doesn't alleviate the issue. I'm not discounting the steering column UJ and rack either, but again a wheel swap is needed to exclude this most obvious possibility.
Mark, I think I may have found a set I can borrow locally on Sunday, but if that doesn't work out can I take you up on that please? I pass through a couple of times a week so would be ideal if the local set can't be borrowed.
If anyone has other suggestions of things to check, I'm all ears, figuratively speaking I know it's not considered "kind" to say no these days, but no. Just no, ok? And if it's not ok, still no.
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| 30th Oct 2013 11:43 pm |
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Simonstarski
Member Since: 24 Jun 2012
Location: Cornwall
Posts: 686
 
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I had a pulsing vibration on my D3. Not really bad but enough to annoy and take the enjoyment out of driving.
I noticed it most on a very shallow bend.
Callipers were both recently changed so ruled out the brakes.
It turned out to be a miss shaped front tyre. They ballanced ok, they just rolled slightly out.
If you can figure out a way to get them up I've a set of 18" SE wheels with recent road tyres you're welcome to use. Narpy Grill, tinted windows, Smooth leather wheel (TLO Group buy), ACM fitted (thanks TLO), Rear door loom and Row 2 & 3 audio switch upgrade, RRS 20" wheel change, 285 Cooper LTZ's Sat Nav Mod (until I get a Faultmate upgrade), Front & Rear lamp guards. 4x4 screen now switched on - Woody32, Follow me home reverse lights - woody32, Auto release EPB - Woody32. Off Road Navigation - Woody32. Remap + EGR's switched off. Full chassis clean and Waxoyl.
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| 30th Oct 2013 11:51 pm |
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A5YLS
Member Since: 18 Dec 2008
Location: York
Posts: 57
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I had similar issues,
Turned out to be rear handbrake shoes or the mechanism for them had seized up slightly, causing them to bind and gave a wobble at higher speeds.
Only did it after a bit of a run, assume when things had warmed up and expanded.
Might be worth a look?
Dan . 200 Tdi Project.
Td5 90 in build
D3 gone...
Td5 110 CSW
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| 3rd Nov 2013 6:14 pm |
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F355GTS
Member Since: 10 Nov 2008
Location: North Hampshire
Posts: 849
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ND, no problem, just let me know Mark
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| 3rd Nov 2013 7:08 pm |
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DaveT
Member Since: 01 Aug 2005
Location: Cornwall
Posts: 2573
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I had something similar, swapped wheels around and narrowed it down to one wheel. After 2 further checks of balancing, I dropped the wheel down flat, and heard a sloshing sound. Turned out to be water inside the tyre. Fine on a balancing machine, but not on the road! Long succession of Disco's since 2001...
SIII Lightweight - neglected & rusting. Bulkhead, A panels, vent panel & outriggers now disintegrated - Next years project!
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| 3rd Nov 2013 11:51 pm |
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NoDo$h
Member Since: 02 May 2006
Location: Finding new and exciting ways to milk badgers.
Posts: 19689
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well my diagnostic wheel swap didn't go ahead as I was in no fit state to hold a set of car keys yesterday, so holding fire until this coming weekend now.
Mark, my local Indy is kindly loaning me the wheels from his car, so won't need to trouble you for yours I know it's not considered "kind" to say no these days, but no. Just no, ok? And if it's not ok, still no.
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| 4th Nov 2013 1:29 pm |
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Dom Harvey
Lord of the Four Fingers
Member Since: 15 Apr 2005
Location: Dorset
Posts: 7454
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Al, I'll be interested to hear what you find out as I have the same issue as soon as I reach the speed limit - quite a unnerving sensation.
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| 4th Nov 2013 2:17 pm |
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NoDo$h
Member Since: 02 May 2006
Location: Finding new and exciting ways to milk badgers.
Posts: 19689
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Well I've now run the car on a spare set of wheels with the same unnerving feeling of driving on ice with some wobble evident at 70, although speed varies with surface condition.
We've checked steering rack and column, checked wheelbearings, replaced a track rod arm (these cars EAT these things), changed the front lower arms, then polybushed the arms as I felt the aftermarket arms/bushes were too floppy (thanks Steve Norman for that suggestion).
Polybushing has made it a lot more controlled, but the feeling of being on ice at speed with (reduced) wobble) is still there.
Put the car across the rollers at the garage and there is a bit more bounce than I would like, so next up is shocks and airbags. I will get this driving nicely! I know it's not considered "kind" to say no these days, but no. Just no, ok? And if it's not ok, still no.
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| 1st Dec 2013 6:40 pm |
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Popelka
Member Since: 31 May 2008
Location: Praha (Prague)
Posts: 2430
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the harmonic damps are hung up and not doing their job correctly ?
would that give this type of symptom? Experience is a difficult teacher, because she gives the test first and then the lesson afterwards!!!!
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| 1st Dec 2013 9:58 pm |
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NoDo$h
Member Since: 02 May 2006
Location: Finding new and exciting ways to milk badgers.
Posts: 19689
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No, the danglers are a-danglin'
my car has 122,000 miles on it and gets worked hard*, so probably well overdue shocks under the circumstances!
(* it also gets repaired hard..... I dug out all my receipts the other day as the moment it squeaks I get it in for remedial work and was horrified to see what I've spent! Worth it though  ) I know it's not considered "kind" to say no these days, but no. Just no, ok? And if it's not ok, still no.
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| 1st Dec 2013 11:55 pm |
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