benpep
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Registered: 5th Oct 12
Location: york
User status: Offline
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http://s1336.beta.photobucket.com/user/bedsheets21/media/photo3.jpg.html
has anyone ran topran hubs?? ive had 2 of them collapse on me in the last 6 weeks.
its really strange,they just seem to snap clean off the bearing as shown in the link above??
is this common as the drivers side went then within afew weeks the passanger side followed.
really bugging me so if anyone can shed me some light on this then please do.
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davegreen
Premium Member
Registered: 20th May 12
Location: Oxfordshire
User status: Offline
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i never had it happen but know of others that have with so called 2.0 motorsport hubs. changed to standard cav hubs and audi bearings in bored out carriers. my wheel bearings used to fail at low mileage, 2k ish plus had wheel wobble under braking all gone with the set up im using now.
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benpep
Member
Registered: 5th Oct 12
Location: york
User status: Offline
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what size audi bearings do you run?? my dads mate is an engineer so i could soon get some hubs bored. i have replaced the topran units with some machined down standard astra gsi ones. how do companys like courtney produce there hubs,do they just use the standard unit and machine them down in house???
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bigron1988
Member
Registered: 29th Aug 09
Location: Southport, Merseyside
User status: Offline
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Yup got it in one
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davegreen
Premium Member
Registered: 20th May 12
Location: Oxfordshire
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cant remember which audi they fit only that its the rear ones, same id as a cav hub same width as a corsa hub and about 1 or 2mm bigger od. hub carrier and circlip grove need boring out and a small amount off a standard hub to clear the smaller circlip. i went into euro car parts with this info and got the correct bearings. if you cant find them i maybe able to dig out the part number?
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benpep
Member
Registered: 5th Oct 12
Location: york
User status: Offline
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im in no great rush to replace them at the min as ive just replaced both sides but if this problem re occurs then im off down any route i can to prevent it.
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vauxhead
Member
Registered: 9th Oct 10
Location: Liverpool
User status: Offline
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If they`ve snapped once mate, they will again, its down to them being machined right down to fit into corsa bearings, makes them really weak
Use these audi bearings in bored out knuckles with standard big block hubs and you wont have a problem:
http://www.ebay.co.uk/itm/AUDI-80-90-COUPE-FRONT-WHEEL-BEARING-KIT-N-S-O-S-/180692284956?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item2a1219761c#ht_6094wt_1037
[Edited on 11-11-2012 by vauxhead]
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davegreen
Premium Member
Registered: 20th May 12
Location: Oxfordshire
User status: Offline
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euro car parts part number is, 628440270. much stronger than machining down the hubs.
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benpep
Member
Registered: 5th Oct 12
Location: york
User status: Offline
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spot on lads cheers! the machined hubs are far too thin in my eyes when compared to the untamperd one. really wish i had known this 6 weeks ago,live and learn 
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bigron1988
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Registered: 29th Aug 09
Location: Southport, Merseyside
User status: Offline
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quote:
Originally posted by benpep
spot on lads cheers! the machined hubs are far too thin in my eyes when compared to the untamperd one. really wish i had known this 6 weeks ago,live and learn
you have a u2u msg mate
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Danny W
Organiser: East Midlands
Premium Member
Registered: 14th Nov 05
Location: Northamptonshire
User status: Offline
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TTT
im going to bump this topic as again my NSF wheel baring has failed .. thats another one after 3k ish miles.
i really dont trust this set-up i have and ive heard a lot of stories with with the issue about the hubs failing.
i remember messaging you earlier this year about having the knuckles machined and bigger bearings fitted like on your set-up but have since deleted the u2u.
who is it worth speaking to to get a set made up?
Smoke Grey 5 Door
EastMids Regional Events
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bigron1988
Member
Registered: 29th Aug 09
Location: Southport, Merseyside
User status: Offline
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u2u jonlem
http://www.corsasport.co.uk/board/member.php?action=viewpro&member=Jonlem
he is the one who sorted mine out
[Edited on 18-11-2012 by bigron1988]
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gazza808
Member
Registered: 30th Jun 08
Location: Peterborough
User status: Offline
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Most I see break are because they are machined to a sharp corner not a nice radius, causing quite a stress point.
IMO the Audi bearing mod is a lot better,
And piss to do tbh if you have the gear.
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