I am not sure what you are referring to as the "Diamond Washer" but I can suggest that without Item 2 in the diagram below, you are going to have issues.
Cam belt don't line properly, stroker project
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No, its not that one. I ordered that reference and thats something diferent, not a washer. The one I mean is i betwen the pulley and the dent wheel.
Taking a look again to the pics......its kind of wierd... can we have a pic from the other side??Comment
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When I ordered the wahser at Audi today they told me
it has some kind of diamond coating stuff on it.
Correct me if I´m wrong but if you have a crankshaft pulley
with numbers 251C or 251H you shall not use a washer ?
mine has 251C. and I didn´t use a washer in my older engine
with had this specific crankshaft and pullley, just a shorter block.
So teoreticly I should not use I now either.
EDIT: I´ve ordered part number: 034 105 193Comment
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1991 Audi S2 3B - 2.5 Stroker engine
1997 A6 2.5TDi quattro avant - C4
1976 RD250E / 350LC cafe racerComment
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witch forum thread was that ?
I only saw adam g´s post
EDIT: Found it!
AndyP: witch block and crank do you use? year?Last edited by staffeee; 23 April 2013, 21:25.Comment
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I only quoted the one reply because it was the only one relevant to you. This is the whole thread:-
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1991 Audi S2 3B - 2.5 Stroker engine
1997 A6 2.5TDi quattro avant - C4
1976 RD250E / 350LC cafe racerComment
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"Pulley"When I ordered the wahser at Audi today they told me
it has some kind of diamond coating stuff on it. Correct me if I´m wrong but if you have a crankshaft pulley with numbers 251C or 251H you shall not use a washer ? mine has 251C. and I didn´t use a washer in my older engine with had this specific crankshaft and pullley, just a shorter block. So theoreticly I should not use I now either. EDIT: I´ve ordered part number: 034 105 193


The issue is the VIBRATION DAMPER, not any pulley, neither micro-v (Item 3A) or toothed. (Item 5). Vibration Damper (Item 3). You shouldn't need the 034105193 washer with a 251C vibration damper. More info here:
The Audi Enthusiast website. Forums for all Audis including A4, S4, A5, S5, A6, S6, allroad, A8, S8, TT, R8, Q5, Q7, 4000, 100, 200, v6, v8, vintage, local forums
RS2'd 93 UrS4 5 spd sedan
94 UrS4 V8 6 spd manual avantComment
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"Pulley"


The issue is the VIBRATION DAMPER, not any pulley, neither micro-v (Item 3A) or toothed. (Item 5). Vibration Damper (Item 3). You shouldn't need the 034105193 washer with a 251C vibration damper. More info here:
The Audi Enthusiast website. Forums for all Audis including A4, S4, A5, S5, A6, S6, allroad, A8, S8, TT, R8, Q5, Q7, 4000, 100, 200, v6, v8, vintage, local forums

Sorry,, My mistake! offcourse I mean the vibration damper!Comment
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sigpic
1991 Audi S2 3B - 2.5 Stroker engine
1997 A6 2.5TDi quattro avant - C4
1976 RD250E / 350LC cafe racerComment
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