What's broken then?
What's broken then?
Author
Discussion

siwebster

Original Poster:

412 posts

223 months

Monday 1st February 2010
quotequote all
Hi, got a bit of a conundrum, thought a wheel bearing was on it's way out (drivers side front) - usual slight humming noise, sounded a bit grindy (is that a word?) under braking - so ordered a new wheel bearing.

However, before I got chance to fit it this weekend, I got a puncture in the same tyre. So put the space saver spare on yesterday and drove it for the first time to work this morning. Amazingly all noises, humming or grindy, have disappeared and the car feels and drives fine, admittedly only fairly slowly as it's on the daft skinny tyre.

Any ideas why this would be? Should I be looking at something else that might be causing the problem? When the wheel was off I had a very quick look at the brakes, pads seemed ok, but it was quite difficult to see the inside pad, but the outside one looked pretty new - I've only had the car for a few months, so I didn't fit the pads, so don't know exactly how new. The disk seemed to catch a little when spun though.

But, as I said, the car now seems to drive just fine with the space saver on, whereas it didn't with the alloy on - 18 inch MV1's (the car is an E46 330 sport).

Any help or ideas will be much appreciated.

Cheers

Si

phumy

5,828 posts

267 months

Tuesday 2nd February 2010
quotequote all
It could still be the wheel bearing, its just that with the thinner space saver on it is putting a different load onto the bearing.

With the normal wheel on, do you get a different noise when turning left or right?

Have you tried jacking the car up with the wheel on and try to move the wheel by moving wheel with hands at 12 oclock and 6 oclock, then do the same with your hands at 3 and 9 oclock, get someone to apply the brakes and do the same again. If the brakes are on and you can still see movement in the wheel (hub) then thats an indication that the bearing is either on its way or gone.

Pickled Piper

6,452 posts

265 months

Tuesday 2nd February 2010
quotequote all
As above or as you have indicated it could be the tyres. I was convinced I had a front wheel bearing issue with my E39. The garage drove it with some slave wheels and confirmed it was the tyres.

pp

JimexPL

1,454 posts

242 months

Tuesday 2nd February 2010
quotequote all
Some cars feather the edges of their tyres, which can lead to rumbling that can sound like a wheel bearing.
Run your hand around the tread and see if it is smooth or undulating.
Swapping the tyres front to rear on my e46 to prolong their life used to make the front 'grumbly' as the rear camber feathered the inside edges - perhaps the previous owner has done this?

siwebster

Original Poster:

412 posts

223 months

Tuesday 2nd February 2010
quotequote all
thanks guys, have just put 2 new tyres on the front (only like putting tyres on in pairs!) and all seems much quieter. Still a slight noise so going to investigate that disc that seemed to catch a bit.

Will more than likely do the hub too now I have the part.

Cheers

Si