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having problems with vibrations through the steering wheel

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fiestasiphil

Post subject: having problems with vibrations through the steering wheel

Posted: Mon Apr 15, 2013 5:42 pm

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Joined: Tue Jul 05, 2005 1:56 pm
Posts: 5533
Location: chelmsford Essex
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hi guys ive been having steering wheel vibrations on my fiesta si for a few years now and cant find the problem

ive tried a number on steering racks
had the tracking done a number of times
2 brand new driveshafts
replaced 2 buckled wheels
new steering uj joint
new track rods
brand new manual steering column
new top mounts
brand new gaz coilovers
new tyres
vibra technic mounts
area six rose jointed wishbones

(cars been converted to manual steering)

still cant find the problem

i bought the rs turbo box back in 2007 for 50quid and seems fine driving but anything over 80mph i 90% of the time get the vibrations through the steering wheel

really want to get it sorted so i can have the confidence to take the car on the track, the lsd diff seems to be fine, just struggling to find the cause

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Percy

Post subject: Re: having problems with vibrations through the steering whe

Posted: Mon Apr 15, 2013 8:06 pm

Driving Gods

Joined: Sat Mar 05, 2005 1:37 pm
Posts: 7771
Location: Manchester
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Have the wheels been correctly balanced?

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meilack

Post subject: Re: having problems with vibrations through the steering whe

Posted: Tue Apr 16, 2013 8:04 am

Southern Events Co-Ordinator

Joined: Sat Apr 08, 2006 7:54 pm
Posts: 19134
Location: Didcot, Oxfordshire
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wheels are new - phil thought it was the alloys and the front 2 were buckled so changed them but no change :doh:

maybe worth a rebalance though

such a pain :doh:

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fiestasiphil

Post subject: Re: having problems with vibrations through the steering whe

Posted: Tue Apr 16, 2013 8:20 am

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Joined: Tue Jul 05, 2005 1:56 pm
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yep wheels balanced and 100% straight

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meilack

Post subject: Re: having problems with vibrations through the steering whe

Posted: Tue Apr 16, 2013 8:34 am

Southern Events Co-Ordinator

Joined: Sat Apr 08, 2006 7:54 pm
Posts: 19134
Location: Didcot, Oxfordshire
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like i said yesterday - it's a pain - but maybe change box and see if it changes?

running out of ideas :lol:

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EvilDes

Post subject: Re: having problems with vibrations through the steering whe

Posted: Tue Apr 16, 2013 9:11 am

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Joined: Tue Dec 21, 2004 8:31 pm
Posts: 13430
Location: Birmingham (near Sutton Coldfield)
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Wheel bearing/hub hasnt been mentioned, and that would be a suggestion straight away before some of the other things you've changed. My wheel bearing is currently fucked and I get a wobble/vibration through the steering wheel on motorway journeys.

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meilack

Post subject: Re: having problems with vibrations through the steering whe

Posted: Tue Apr 16, 2013 9:26 am

Southern Events Co-Ordinator

Joined: Sat Apr 08, 2006 7:54 pm
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Location: Didcot, Oxfordshire
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IIRC Phil has new hubs and bearings waiting to be fitted but i could be wrong :lol:

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fiestasiphil

Post subject: Re: having problems with vibrations through the steering whe

Posted: Tue Apr 16, 2013 9:50 am

FSI Supporter

Joined: Tue Jul 05, 2005 1:56 pm
Posts: 5533
Location: chelmsford Essex
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well theres no play in the current front bearings, could the hub have slightly buckled but the bearing be fine? ive got some hubs off an si i broke up and had them fitted with new wheel bearings and flanges to go on

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EvilDes

Post subject: Re: having problems with vibrations through the steering whe

Posted: Tue Apr 16, 2013 1:30 pm

Evil Admin

Joined: Tue Dec 21, 2004 8:31 pm
Posts: 13430
Location: Birmingham (near Sutton Coldfield)
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If you've already tried new hubs and bearings then I'd rule it out, the chances of getting the same vibration from separate hubs is slim. The hub won't have buckled as such, but incorrect installation of new bearings could have caused a slight chamfer on the hub/bearing itself. But play in the bearings doesn't always show itself through the wheel off the ground and try for some movement, method.

Thinking about what else is connected to all that, what about your anti roll bar bushes? Have they been replaced at all? Gearbox mount? Or even exhaust mounts?

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meilack

Post subject: Re: having problems with vibrations through the steering whe

Posted: Tue Apr 16, 2013 1:31 pm

Southern Events Co-Ordinator

Joined: Sat Apr 08, 2006 7:54 pm
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Location: Didcot, Oxfordshire
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they haven't been fitted yet - they have had new flanges and bearings fitted

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fiestasiphil

Post subject: Re: having problems with vibrations through the steering whe

Posted: Tue Apr 16, 2013 2:42 pm

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Joined: Tue Jul 05, 2005 1:56 pm
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Location: chelmsford Essex
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as above they havent been fitted yet, yep all exhaust mounts are new, vibra technic mounts also on it and havent covered many miles

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EvilDes

Post subject: Re: having problems with vibrations through the steering whe

Posted: Tue Apr 16, 2013 2:53 pm

Evil Admin

Joined: Tue Dec 21, 2004 8:31 pm
Posts: 13430
Location: Birmingham (near Sutton Coldfield)
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Oh right, sorry, misread that. When you said "had them fitted with new wheel bearings and flanges to go on" I thought you meant you had them fitted to the car. I would give them a go before you start ripping the box out

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Percy

Post subject: Re: having problems with vibrations through the steering whe

Posted: Tue Apr 16, 2013 5:04 pm

Driving Gods

Joined: Sat Mar 05, 2005 1:37 pm
Posts: 7771
Location: Manchester
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Does it only happen at high speeds?

Anything engine/exhaust related would surely happen at the same revaluation at lower speed/gears.

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fiestasiphil

Post subject: Re: having problems with vibrations through the steering whe

Posted: Tue Apr 16, 2013 11:00 pm

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Joined: Tue Jul 05, 2005 1:56 pm
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Location: chelmsford Essex
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EvilDes

Post subject: Re: having problems with vibrations through the steering whe

Posted: Wed Apr 17, 2013 8:02 am

Evil Admin

Joined: Tue Dec 21, 2004 8:31 pm
Posts: 13430
Location: Birmingham (near Sutton Coldfield)
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Im still going for bearings...

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- Danny Boy -

Post subject: Re: having problems with vibrations through the steering whe

Posted: Wed Apr 17, 2013 9:57 am

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Joined: Fri May 23, 2008 12:40 am
Posts: 7094
Location: Portsmouth
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Either that or the wheels aren't centred on the hubs properly for some reason

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meilack

Post subject: Re: having problems with vibrations through the steering whe

Posted: Wed Apr 17, 2013 10:15 am

Southern Events Co-Ordinator

Joined: Sat Apr 08, 2006 7:54 pm
Posts: 19134
Location: Didcot, Oxfordshire
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phil - whack the new hubs and bearings on and take her for a spin

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fiestasiphil

Post subject: Re: having problems with vibrations through the steering whe

Posted: Wed Apr 17, 2013 5:18 pm

FSI Supporter

Joined: Tue Jul 05, 2005 1:56 pm
Posts: 5533
Location: chelmsford Essex
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another thing.id like to do is buy proper spacers for the cosworth cailpers as atm im using washers which is a.bit pikey they have proper spacers on ebay but i cant remember what size is required

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happypaul

Post subject: Re: having problems with vibrations through the steering whe

Posted: Fri Apr 19, 2013 9:04 am

Donator? Ejaculator!

Joined: Thu Mar 30, 2006 1:23 pm
Posts: 11348
Location: Lincoln
Drives:

Phil, get a proper set of st discs to remove the need for spacers.

When I ordered st discs they claimed there were two types.. I just got the ones that were advertised as the same diameter as the cosworth discs.

IMO its better than running a spacer.

But on your current problems, I would swap hubs/bearings..

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fiestasiphil

Post subject: Re: having problems with vibrations through the steering whe

Posted: Fri Apr 19, 2013 9:50 am

FSI Supporter

Joined: Tue Jul 05, 2005 1:56 pm
Posts: 5533
Location: chelmsford Essex
Drives:

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