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4 stud to 5 stud

Discussion in 'Classic Audi Forum' started by robonmac, Mar 15, 2006.

  1. robonmac
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    robonmac Member

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    [Mar 15, 2006]
    Does anyone know of a simple yet inexpensive way to switch the audi 4 stud pattern to the later 5 stud pattern like that off the A4.
    I'm presuming that all of the hubs need to be changed and the like,but how far do you have to go?
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  3. scotty33
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    scotty33 Member

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    [Mar 16, 2006]
    This depends which car you have. There are a number of different 5 stud hubs, but the cheapest method is to buy s/h wheel bearing housings/struts with the hubs in as standard.
    Type 89 coupes use an offset (et) of 37, but 80/90 use 45mm. B4 cars are all 37mm.
    Due to the above, it is not straightforward to pick the correct donor. S2 front and rear probably right for a 20v or v6 quattro. but for 2wd cars, you may need rears from a 100/earlyA6.
    It is necessary to use s2 rear hubs on the front for some cars, (maybe the 45mm 80/90 - not sure?)
    The 10v I think uses smaller diameter wheel bearings than the 20v/v6/s2.
    I changed front wheel bearings on my '98 passat, the inner race did not seperate like it does with the older cars, and I'm fairly sure there were 2 different diameters for the inner races. If you were to use a4/passat hubs, you would need to fit a4/passat bearings - if the outside is compatible with the early wheel bearing housing.
    Sorry I've answered your question with more questions, but it is a confusing issue! You could try searching some of the american audi forums, their choice of wheels is not good in 4x 108, they also did not get the s2.
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  4. scotty33
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    scotty33 Member

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    [Mar 16, 2006]
    Not sure there are 2 diameters in the passat bearing now, mine is a 90hp tdi, which is 75 mm o/dia, the 110tdi and 6 cyl models use the 82mm bearing, the bearing and hub (82mm) are the same parts as on a 200 turbo. The earlier cars also use either 75 or 82mm bearings. But the bearing housings for old and newer cars will be very different.
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  5. robonmac
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    robonmac Member

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    [Mar 17, 2006]
    Uh! i'm baffled.My particular model is a 1993 2.0 16v Coupe, does that help?
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  6. scotty33
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    scotty33 Member

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    [Mar 18, 2006]
    That will have the smaller 75 mm front bearing.
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