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Author Topic: 4Motion vibrations  (Read 3123 times)

Offline Defender

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4Motion vibrations
« on: 07 October 2012, 20:57 »
Hi All,
Just bought a GT TDI 4Motion (Private sale) there is annoying vibration about 2000rpm if I knock it down a gear and increase past the 2500rpm mark it disappears.

Anyone any ideas what this might be?

Thanks,
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Offline MS1COYS

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  • Alfie 'H' 10-09-11
Re: 4Motion vibrations
« Reply #1 on: 08 October 2012, 02:02 »
It's a definite mind f**k. I get loads of these....
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Evolution Map / Longlife USA 80mm TBE w/100 cell Sports Cat / ITG Maxogen G60 / Forge Twintercooler/ Forge TB Hose / R8 Coilpacks / EBC D&G Front & Rear Discs / EBC Yellowstuff Pads / BSH PCV Kit / Poly Pro Front & Rear / W.A.L.K / APR Torque Arm / 034Motorsport Density Line Engine Mounts / Vibratechnics Subframe Mount / Vibratechnics Dogbone Bush

292bhp / 287lbft

Offline les.tansey

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  • VW Golf R32 MK5 & Mercedes-Benz E320 CDI Estate
Re: 4Motion vibrations
« Reply #2 on: 17 October 2012, 00:19 »
Quote from: MS1COYS on 08 October 2012, 02:02
It's a definite mind f**k. I get loads of these....

Is that in a gt tdi 4 mo or something else? Looking into a 140 4mo at the moment so am curious to see if this is a consistant problem  :undecided:
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(As above) Golf MK3 & genuine BBS RX 16"wheels, now for sale separately - Just ask for details - Thanks, Les

Offline Defender

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Re: 4Motion vibrations
« Reply #3 on: 21 October 2012, 21:38 »
Solved the problem it appears the prop mount at the rear had gone, it's like a rubber donut type thing. Other causes could be the front rubber donut or the centre bearing which supports the prop.

Apparently over time the rubber goes hard so the thing looks ok from the outside but is actually faulty. Be warned though it's £280 for the donut + fitting.

Also make sure if the prop is ever removed the garage mark them as they are balanced units and if put back wrong could also cause vibration. And the sequence is apparently to tighten the front and rear donuts and then the centre bearing last so everything settles into the right place.

This seems to be quite common on the Audi forums as something to look for.

Sorry for all the info just passing on what I found out in the hope it helps someone else.
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