[s-cars] C4 front strut differences

[Eric Renneisen]

Well, I'm not sure why the P/Ns are different, but when I bent the brake
carrier mouting tab on my original RF strut, I took a chance and grabbed
one off a 100 at the junkyard.  All dimensions between the two are
identical.  There is a VERY slight casting difference in the plate
around the hub, but it doesn't affect function at all.  I've been
running with that strut for a while now.

Eric R.
'86 urq
'93 urS

-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com] On Behalf Of Igor Kessel
Sent: Sunday, May 13, 2007 9:31 AM
To: Mike Fitton
Cc: s-car
Subject: Re: [s-cars] C4 front strut differences


Mike Fitton wrote:
> Did some digging in the ETKA in the front suspension department.  I've
> noticed that, in the US, the S4/S6 front wheel bearing housing (which 
> I've lately come to call the struckle) is p/n 4A0 412 025 AB (026 for 
> the other side, of course) while the 100/A6 got 4A0 412 025 AA (and
026 
> for the right).  I know that a different suffix doesn't necessarily
mean 
> the parts are interchangable.  Things were much more complicated in
the 
> European analogs, but that's not important right now.
> 
> Basically I'm looking for an extra set of uprights.  With 100s and A6s
> presumably being more common, can anyone confirm their
interchangability 
> or do I need to get S-car uprights?
> 
> -Cheers!

Mike,
I am almost certain that they are not interchangeable. When I pulled the

bearings out in my S6 I had to use a 3/4" breaker bar over a 1-3/8" 
socket and I had to lean onto it with all my weight to get the puller 
remove those massive beefy bearings. My gut tells me that the A6 would 
have a lighter duty arrangement.

And yes, IME different suffixes always signify non-interchangeable 
parts. The only exception is the suffix "x" in the end that is added to 
a rebuilt part.

-- 
Igor Kessel
two turbo quattros _______________________________________________
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