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Offline gtomo2

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vibration
« on: February 03, 2007, 08:07:47 »
got a 91 v8 disco with a vibration it starts to vibrate at 3500 rpm and by 4000 rpm it shacks the whole car. it does it at this in every gear so its not speed related so dont think its the props or uj's any ideas anyone
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Mr Graeme Thomas (tomo)
300 TDi Discovery - So i can go fording
Stop laughing put the camera down AND PASS ME THE TOW ROPE !! PLEASE

Offline Skibum346

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vibration
« Reply #1 on: February 03, 2007, 09:41:06 »
Track rod ends, panhard rod bushes/bolts, steering play, swivel preload, mud on a wheel causing un balancing...

For starters!

Good luck tomo!
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Offline Budgie

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vibration
« Reply #2 on: February 03, 2007, 10:37:16 »
If it's not speed related then check the crankshaft pully is tight and about the only other thing I can come up with is the clutch, if it's a manual, maybe lost a spring or something like that.
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Offline gtomo2

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vibration
« Reply #3 on: February 03, 2007, 11:05:25 »
yes it is manual. so could be clutch bearings or something like that
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Mr Graeme Thomas (tomo)
300 TDi Discovery - So i can go fording
Stop laughing put the camera down AND PASS ME THE TOW ROPE !! PLEASE

Offline Budgie

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vibration
« Reply #4 on: February 03, 2007, 15:06:36 »
It's a possible cause, and I can't think of anything else that would cause it, the clutch springs that is. If it were the release bearing then it would just fail, you  won't get a vibration from it.
It has to be something thats running out of ballance and is engine related, if it were things like the propshafts then it would be speed related.

Do you get the vibration just by reving the engine to thoughs revs, gearbox in neutral? This is just to rule out anything to do with the gear train.
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