Need help pls

BIGA3T · Dec 1, 2016

Hi all I need some help in identifying the source of my alloy wheel vibrating (making a Hmmming noise)

I have a 11 plate Audi A5 v6 Tdi

I recently bought some 20" alloys which were off a VW t24 - so the same PCD

The car has 30MM spacers on.

After I put the wheels on the front passenger side wheel is vibrating (making a hmmming noise) . I have been to many garages but they can't locate the problem.

I thought about the centre bore etc. But why is it only the front passenger side vibrating and not the others?

The vibrating starts from as soon as I move off, so the wheel isn't buckled.

It vibrates at low speeds and high.

So starts vibrating from 1Mph (as soon as I move off)

What do you guys think it could be.

(All the the tyres are on right etc. Wheel bearing are fine as it did not do it with previous alloys)

Thanks in advance

desertstorm · Dec 1, 2016

Does it have spacers like this on ?
http://www.ebay.co.uk/itm/Eibach-30...VW-Golf-Mk5-GTI-Edition-30-R32-/142089479977?
Check the length of the bolts that is being used to attach the spacer to the hub. I would take the bolts out and look for any sign that they are possibly too long and rubbing.

Bugeye_bob · Dec 1, 2016

have you swapped the rear wheel with the front wheel, to see if the problem remains with the front wheel ?

BIGA3T · Dec 2, 2016

desertstorm said:
Does it have spacers like this on ?
http://www.ebay.co.uk/itm/Eibach-30...VW-Golf-Mk5-GTI-Edition-30-R32-/142089479977?
Check the length of the bolts that is being used to attach the spacer to the hub. I would take the bolts out and look for any sign that they are possibly too long and rubbing.

Hi I'm using H&R but mine are same as the ones you have posted.

There's two bolts which are shorter than the rest 3. Do you think that's why it may be making that noise ?

BIGA3T · Dec 2, 2016

desertstorm said:
Does it have spacers like this on ?
http://www.ebay.co.uk/itm/Eibach-30...VW-Golf-Mk5-GTI-Edition-30-R32-/142089479977?
Check the length of the bolts that is being used to attach the spacer to the hub. I would take the bolts out and look for any sign that they are possibly too long and rubbing.

Rest of the wheels have same length of bolts on and don't make any noise just front passenger which has two shorter bolts

BIGA3T · Dec 2, 2016

Bugeye_bob said:
have you swapped the rear wheel with the front wheel, to see if the problem remains with the front wheel ?

I will do that today and see how it goes thanks

desertstorm · Dec 2, 2016

seems strange that the front passenger is the one making the noise and that is the one with different length bolts. Which bolts are shorter the wheel bolts or the bolts securing the spacer to the hub.
The wheel bolt length is quite critical when using spacers like these . If the bolt securing the spacer is too long it may contact the upright.

BIGA3T · Dec 2, 2016

desertstorm said:
seems strange that the front passenger is the one making the noise and that is the one with different length bolts. Which bolts are shorter the wheel bolts or the bolts securing the spacer to the hub.
The wheel bolt length is quite critical when using spacers like these . If the bolt securing the spacer is too long it may contact the upright.

The bolts which secure the spacer are shorter. The wheel bolts are same size. All garages can't figure out what's going on. Very strange.

Bugeye_bob · Dec 2, 2016

I assume the wheel has been rebalanced to rule it out ?

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