Last weekend I went from standard wheels to a set of 18. As soon as i put them on it sounds like I have a washer machine in the boot. Am I right in saying its the wheel bearings?

I'd say that's wheels scrubbing rather than a wheel bearing. I once put some wheels on my Alfa, one was slightly bent on the back and was scrubbing on the lower arm every rotation! doh. Yours is most likely tyres on arch.

I run my hand round the tyre. It seemed to be clear but I didn't look under the car. I did get my mot Saturday just gone if anything was rubbing I'm sure they would of said something. Also when the check the wheels for Any play in the bearing there was none.

Last weekend I went from standard wheels to a set of 18. As soon as i put them on it sounds like I have a washer machine in the boot. Am I right in saying its the wheel bearings?

 

If you mean shaking, then you may be missing the plastic wheel spigot rings that most after market wheels require, with out these the wheel is hanging off the studs rather than the hub, so getting the wheel centralised is near impossible and will cause shaking.

 

Jeff TT

Hi Jeff. I am getting no shaking at all just a Drowning sound get louder the faster I go

put your old wheels on, if it goes away then it's caused by the wheel either rubbing or not fitting correctly.

 

If it's still there then likely a bearing, but shouldn't go just because you changed wheels.

http://www.300zx.co.uk/forums/showthread.php?164632-deep-dish-wheels-8-5-and-9-5-with-very-good-tyres-SOLD

 

These are the wheels

http://www.300zx.co.uk/forums/showthread.php?164632-deep-dish-wheels-8-5-and-9-5-with-very-good-tyres-SOLD

 

These are the wheels

 

Original seller

 

http://www.300zx.co.uk/forums/showthread.php?163875-deep-dish-wheels-8-5-and-9-5-with-very-good-tyres-!-%A3450-ono-for-quick-sale-!

Hi Jeff. I am getting no shaking at all just a Drowning sound get louder the faster I go

 

Well it this can be caused by the tyres themselves, we changed a diff once as all parties was convinced it was droaning and was surprised when it was still there, the upshot was the tyres had been replaced a few weeks previous and although ok when first fitted had started to produce a drone after a few hundred miles, changing the make and tread pattern cured the issue completely, also worth having a look to see if they are rotational tyres and they are running backwards against the thread pattern, could try swapping the rear wheels from side to side anyway.

 

Jeff TT

Some brands of tyres do have worse tyre cavity noise than others, in certain high luxury cars they put absorbers in the tyre cavity's for NVH reasons. I would do as someone has sggested and swap the rear wheels back and go for a drive see if the noise goes away.

Thank for all for your help. Will put standard wheels back on this weekend and see if the noise stops.