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bearings?


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#1 zedevan

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Posted 02 May 2006 - 05:15 PM

as i said in another thread my steering wabbles quite violently at over 80km/h, although it depends if there is any load on the wheel, so when going straight the wheel shakes up and down about 2cm, but when i'm turning slightly it stops, there is also a rather large null zone

when the car is stopped if you go and grab the top of the front wheels and shake you can move it backwards and fowards and hear a clicking sound, alot more obviously on the front right wheel, and i think the noise heard when doing this to the front left side is coming from the right wheel...

i was just rotating my tyres and when putting the front right wheel back on i noticed that the studs kinda moved, so i played with it a bit and i can move basically the whole disc rotar and studs etc probably only 1mm or so but you can hear it clunk, like what happens when you shake the wheel, and the silver cap thing at the end of the axel can move it all too (where the bearing is housed?), so i'm thinking mayb the bearing has gone?

anyone have suggestions?

#2 lambs

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Posted 02 May 2006 - 07:58 PM

1mm at the disc will translate to quite a bit more at the outer diameter of the tyre and that could certainly result in some strange steering behaviour. The front wheel bearings have adjustable preload via a large nut under that 'silver cap' (there's also a split pin and a special type of lock washer). The adjustment involves using a torque wrench and I could decsribe it, but to me it sounds as if your 'not sure' (no offence).

Regardless of the above (in terms of adjustment), it sounds to me as if there's a fair bit of wear in those bearings, or they haven't been looked at for awhile. Having them 'loose' like that would certainly place them under some unusual loads. I'd recommend replacing them and re-packing with new grease. New bearings will probably only set you back around $20/front wheel from a bearing specialist, but, of course, the adjustment procedure is still needed.

#3 zedevan

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Posted 03 May 2006 - 12:24 AM

yep, i am unsure, hence y i asked, so no offence taken at all! and thanks for ur reply.

i had my car at top performance and they drove it up their ramp thing and from that were like...something's wrong with ur steering, but yeah i haven't had the time to look at it or have it looked at as sad as that is, but have a week off in a couple of weeks so prob will then

i'm thinking the wheel on it mustn't have been balanced too as after rotating them it feels like a completely different car to drive and the shaking isn't there at the steering wheel, but you can still wabble the wheel so :?

i'll try to see if my dad's able to help me replace the bearing sometime as he atleast has some idea! i did come across a thread about it on one of the other sites, and i would like to learn how to do stuff so might be the way to go, i just dont want to b stuck without a car to drive!

#4 gav240z

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Posted 03 May 2006 - 12:33 AM

It's better to be safe than sorry mate. I'm not sure exactly what the problem is but I'd be checking ball joints, bearings, tie rods to begin with.




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