Author Topic: More help - New problem now!!  (Read 5980 times)

Offline bobbarley

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More help - New problem now!!
« on: 02 September 2009, 17:08 »
Just noticed it today for the first time.  The car pulls along fine, and seems to brake without a problem.  However when the car is slowing down, but a LOT so when coasting to a stop, there's a kind of "dumf dumf" noise that repeats in time with the turning of the wheels.  It sounds like the noise you'd get if you had a flat tyre, but I don't.

What's more, I can feel it through the seat and steering.  The steering wheels actually jolts from left to right.

I thought it might be the tracking, but don't see why it would just suddenly decide to go wrong, plus it accelerates fine without making the noise.  It's only when slowing.

Any ideas?

Offline richw911

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Re: More help - New problem now!!
« Reply #1 on: 02 September 2009, 17:19 »
Dodgy tyres? Damaged in some way  :undecided:

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Offline johnson6672

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Re: More help - New problem now!!
« Reply #2 on: 02 September 2009, 19:36 »
Keep off the rubble strips :grin: But seriousley thats an odd one, best bet is to jack up the car and just check all the usual, bearings, suspension brakes, cv joints etc, if i remeber correctley you have had some probs recentley, haven't you?
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Offline snowfiend

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Re: More help - New problem now!!
« Reply #3 on: 02 September 2009, 19:48 »
I've had something simular....a weird kind of rotational noise, almost like a knackered bearing sound which seems to be speed related and  you notice it a lot when braking or coasting down all the way to a stop.

You can feel a vibration in the pedal/steering/seat and there is definate wobbling through the steering.

So far I've checked all the bushes, ARB, brakes etc for any obvious issues and it all looks ok, even had both front wheel bearings & wishbones replaced but it's still doing it. There is a very slight feathering to the inside of the tyres but I'm not convinced that's the cause. Am trying to pinch someone at work's TDI at the weekend so I can swop wheels over to confirm.

Offline Ivor Mk4 Turbo

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Re: More help - New problem now!!
« Reply #4 on: 02 September 2009, 19:59 »
Broken wheel arch liner catching the tyre??
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Offline bobbarley

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Re: More help - New problem now!!
« Reply #5 on: 02 September 2009, 20:51 »
What about wheel balance?  I could have knocked a weight off one of the front wheels?

At 70 on the motorway earlier the WHOLE car vibrates, seats, doorcards, glovebox, everything inside the car jumps around.

Offline johnson6672

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Re: More help - New problem now!!
« Reply #6 on: 02 September 2009, 20:58 »
Could be balance or wheel bearing or loose wheel nuts :shocked:
MK4 GTI T AGU, REVO Remap, BMC carbon box, Miltek cat back, Forge diverter valve, THS FR3 engine/Gbox mounts, Some random alloys, lowered on coilovers.
192bhp 212lbft torque.

Offline bobbarley

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Re: More help - New problem now!!
« Reply #7 on: 02 September 2009, 21:01 »
Feels a lot like wheel balance.  Might throw it into Kwik Fit or somewhere tomorrow to get them checked out.

Offline johnson6672

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Re: More help - New problem now!!
« Reply #8 on: 02 September 2009, 21:04 »
Bearings and loose nuts can seem very similar, would give them a quick check before going anywhere.
MK4 GTI T AGU, REVO Remap, BMC carbon box, Miltek cat back, Forge diverter valve, THS FR3 engine/Gbox mounts, Some random alloys, lowered on coilovers.
192bhp 212lbft torque.

Offline Grand Master Patch

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Re: More help - New problem now!!
« Reply #9 on: 02 September 2009, 21:38 »
Who last had the wheels off  :undecided:  Are they tight?