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Old 06-19-2009, 12:26 PM
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Default Serpentine Belt replacement a6 2001

Do I have to remove the front bumper to replace my serpentine belt on a 2001 a-6? Do I need a special tool to relive the tension?
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Old 06-19-2009, 02:43 PM
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Join Date: Nov 2007
Location: Northern California
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No, you just need a long socket wrench to relieve the tension off the tensioner. The worst part is squeezing the new belt around the crank pulley. 15 minute job.
2004 V70R M66 - Current
2001 A6 Avant - Past
2.8 ATQ, Quattro, Tiptronic
Mods - Was chipped, but not now... Was using K&N, but not now...
Repairs - Too many to list! And you wonder why I still drive an Audi So I don't drive one now.
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Old 06-20-2009, 09:10 PM
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Thanks Hxgaser. I have located the tensioner and the silver 17mm nut. Do I just loosen that nut to relieve tension?
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Old 06-20-2009, 10:51 PM
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Join Date: May 2009
Location: Nation's oldest city, FL (screw you Jamestown)
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I've never done this job on an Audi (or even looked at its setup yet), but speaking from other serpentine belt replacement experience, the bolt usually does one of two things.

You put a breaker bar on your socket for leverage and when you turn the bolt to 'loosen', the whole pulley pivots (spring loaded, so be careful) to relieve tension from the belt.


On Jeep's 4.0 engine, as you turn the bolt, the pulley moves down/up the threads of the bolt to relieve or apply tension. I'm sure other vehicles use this method too, but I'm only familiar w/ Jeep as I've owned several.

Hope this helps. I'll have to go check out Audi's system b/c I plan on doing this job in the near future as piece of mind (just bought car)
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Old 06-20-2009, 11:13 PM
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Smile Finished.

Thanks guys.
I did it ! It took me about one hour but next time I think I can do it in 20 Minutes.
It helps to have a lever bar on your wrench handle, next time I will. But for those who are doing this themselves you put the 17mm on the silver nut. Push it to the drivers side and hold it there. This will loosen the belt and you can pull it off the top wheel. Then you need a really long screw driver to work the belt past all the fans and pulleys. Once you get it off feed the new one back on and hold the wrench back to the driver side and pull the belt over the top pulley wheel. The repair shop wanted $298 to do it. They said it shows it would take 2.5 hours. The belt cost me $19 and one hour of time. I feel almost as good as I did when I got the two screws loose that hold the instrument cluster in. That is at Module Masters getting the center display rebuilt. The shop wanted $800 to do that and it is costing me $150 and about another hour of time. My next project is to polish my headlights.
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2001, 28, a6, audi, belt, change, loosening, nut, relacement, removal, replace, serpentine, size, tensioner, tt

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