vibrating_Cake Posted January 9, 2011 Report Posted January 9, 2011 right this is doing my nut in!!!! Basically i get wheel wobble (not vibrations) wobble from left to right in the steering wheel, between about 45 and 50mph, especially noticeable when slowing down or sitting at a steady 45-50mph. So, ive changed the wheels... nope, changed the hubs... nope, changed the disks+pads, nope! shock absorbers are fine, springs are in the cups fine and secure too! What could be causing it!!! its doing my head in now! Im running the caprisport gt280 283mm sierra cosworth disc+mondao caliper combo on machined hubs, which are new hubs which we got machined to try solve the wobble! its still there!!! GRRR!! what else can it be, surley its gotta be something rotating thats causing it cause it comes and goes at that certain speed help plzzz, also the bearings are new with the hubs
over_head_cam Posted January 9, 2011 Report Posted January 9, 2011 I'm 99.9% sure it's the ARB rubbers But then I could be wrong
vibrating_Cake Posted January 9, 2011 Author Report Posted January 9, 2011 which ones lol, they are all poly bushes, whats the best way to check them? Jack handle between the car and the arb and lever it away from the car check for movement in the bushes? What about the outer tca bushes? whats the best way to check them for play?
over_head_cam Posted January 9, 2011 Report Posted January 9, 2011 Yeah that's what I meant Like Tom says if your bushes are poly and not that old they should be ok
nik_plant Posted January 9, 2011 Report Posted January 9, 2011 Is everything all ok and lined up on the prop?
livewire7116 Posted January 9, 2011 Report Posted January 9, 2011 ditto to the bottom ball joints, and dont rule out the bushes just cos they are poly, they do wear out as well
caprinerd Posted January 9, 2011 Report Posted January 9, 2011 wobbly check for play in the outer tca although they are fairly new yours will get more of a hiding as you do alot of track time and yours work hard (ive seen your vids mate) push the front wheel back with your foot and check for movement next grab the tca and check the inner bush for up and down movement whilst the motor is up check the wheel bearings in the usual way put a strong piece of wood or metal bar under the wheel get someone to lift the wheel whilst you hold the balljoint and check for any excess play in that area another thing to check whilst you can get to it is the track rod end again any excess play look at your `D` bushes for any wear in them also and its over looked at times wheel ballance and tyre wear an out of shape tyre can cause some strange effects
vibrating_Cake Posted January 9, 2011 Author Report Posted January 9, 2011 how do i check the bottom ball joints then? =)
vibrating_Cake Posted January 9, 2011 Author Report Posted January 9, 2011 bearing in mind it passed the mot about 3 weeks back
Davewrc Posted January 9, 2011 Report Posted January 9, 2011 Tracking ok? , Wheels balanced? and properly inflated?
caprinerd Posted January 9, 2011 Report Posted January 9, 2011 have the motor raised so wheels are off the ground ( support the motor of course) then have someone with a long bar or piece of wood lift the wheel up an down (from under the wheel) and with your hand on the ball joint, feel for any knocks or free play in it
lead foot Posted January 9, 2011 Report Posted January 9, 2011 had this problem with my 2.8 capri, turned out to be the tca s
Retromotorsport Posted January 10, 2011 Report Posted January 10, 2011 Check every thing with the wheels hanging free... then check with some sort of blocks under them and some weight on them.. some bushes dont show play untill they are at ride height ...
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