Originally posted by newsh
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Timing belt change
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Originally posted by s2driveruk View Post
yep, couple of weeks now John! Everyday is a school day and all that. Probably means the last time i changed the belt, it wasnt an issue, not nla or i reused it...
I think it’s purpose is to put some extra friction in between pulley and crank to keep the pulley in place..
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Originally posted by s2driveruk View PostOk so whats the deal with the diamond washer...? Never seen this before, is is treated in a particular way during production or something equally as funky or is it just dimensions...? If these are NLA, maybe we can get some made and hold a stock on the forum?Greg
S2Forum.com Administrator & Webmaster
'93 Coupe with a few tweeks
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Originally posted by AndyP View PostThe 3B does not use the diamond washer, although I've fitted the TDi diamond washer on mine, it's on 0.3mm thick
What is the P/N for the TDI one ?
Greg
S2Forum.com Administrator & Webmaster
'93 Coupe with a few tweeks
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Originally posted by Michael S2 View PostAlways been a bit of a mystery this diamond washer.
So 3B doesn't use it but S2 ABY, RS2 ADU and S4/S6 AAN do use it?
Audi UrS4 Avant 2.5 20vt - twincharged - Project
Audi 80q B4 Sedan 2.2 20vt - Daily user
BMW 320d Touring e91 M-Sport - Daily user
BMW 740iA e38 - Project
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Originally posted by Greg_S View Post
Are there any physical differences between the 3B and ABY configuration?
What is the P/N for the TDI one ?
https://www.ebay.co.uk/itm/WASHER-CR...-/113854380348
As John says, it just increase the friction between the pulley and the end of the crank
sigpic
1991 Audi S2 3B - 2.5 Stroker engine
1997 A6 2.5TDi quattro avant - C4
1976 RD250E / 350LC cafe racer
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Originally posted by AndyP View Post
Yes, the pulleys are different, the 3B uses a V belt and the ABY a multi rib. This is the TDi washer:-
https://www.ebay.co.uk/itm/WASHER-CR...-/113854380348
As John says, it just increase the friction between the pulley and the end of the cranksigpic
1992 3b S2 Coupe
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