!attention! Auxiliary belt tensioner is 16mm, not 17 as I said in the video!
This video shows how to replace alternator on Audi A6, C6 chassis 2.0tdi engine. To see step-by-step instructions with images and also auxiliary belt diagram - please visit:
https://www.wheelsandmotors.com/manual/61142b011a10f200044d5a79

If you are looking for new alternator, here's a link to eBay search results for this part that will give you lots of choices (don't forget to check compatibility with the seller):
https://rover.ebay.com/rover/1/710-53481-19255-0/1?icep_id=114&ipn=icep&toolid=20004&campid=5338022028&mpre=http%3A%2F%2Fwww.ebay.co.uk%2Fsch%2Fi.html%3F_odkw%3D01E941521A%26_osacat%3D0%26_from%3DR40%26_trksid%3Dp2045573.m570.l1313.TR0.TRC0.H0.X03G903016A.TRS0%26_nkw%3D03G903016A%26_sacat%3D0

If you are looking for tools to perform this task - here's another useful eBay link for you:
https://rover.ebay.com/rover/1/710-53481-19255-0/1?icep_id=114&ipn=icep&toolid=20004&campid=5338022028&mpre=http%3A%2F%2Fwww.ebay.co.uk%2Frpp%2Fgarage-tools-equipment

Hochgeladen am 05.04.2014   Problem melden   Dieses Video bei YouTube   WheelsAndMotors bei Youtube