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D2 - Engine Bay Everything under the bonnet

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  #1  
Old 26th April 2012, 03:38 PM
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Wow! That's more than the crazy water-cooled one on Phaetons, some Audis, and Touaregs!
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Old 27th April 2012, 06:33 AM
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That part number matches mine.
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  #3  
Old 27th April 2012, 07:20 AM
Reffro Reffro is offline
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You'll probably find the same marker on the 345mm Brembo brakes too. I remember when sourcing the disc for my car from Audi, that they were marked for use on armoured cars.
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Old 27th April 2012, 10:33 AM
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I have the same alternator on my A8 3.7 2002 QS
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Old 1st May 2012, 08:44 AM
SyncroS8 SyncroS8 is offline
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First drive back home in the S8 yesterday

I got a bit carried away last night and pulled the alternator off to have a closer look.



It came apart ok and I found out which bearing needs replacing along with the dimensions and part number for a replacement. Just need to find someone that has one now.

I'll be changing the regulator in there too as the brushes don't have much life left in them.



The problem bearing is behind the pulley. I managed to carefully remove the dust cover, clean out the old dead grease and clean out the crap with brake cleaner. Unfortunately the outer race is worn so I refilled it with fresh grease, dust cover and put it back together. It's a little quieter but not much.



Part number: SC03A21LHA.



MG
Last edited by SyncroS8; 1st May 2012 at 08:47 AM.
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Old 1st May 2012, 03:20 PM
ainarssems ainarssems is offline
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You can try http://uk.rs-online.com for bearing using dimensions
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  #7  
Old 1st May 2012, 04:49 PM
SyncroS8 SyncroS8 is offline
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Quote:
Originally Posted by ainarssems View Post
You can try http://uk.rs-online.com for bearing using dimensions
Thanks, after speaking to RS, they couldn't help but they gave me NSK's number to try tomorrow.

People have been finding it difficult to source this bearing... Sounds familiar!

MG
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