vbelt and tensioner question
 

I have a 2008 a4 2.0t and there is a vbelt tensioner replacement and or adjustnent what is that and what does it mean? I am gettiing a chirping noise on a cold start for a
About 5 minutes i wonder if this has something to do with this or could it be someting else? The car has about 54,000 miles oni it right now.

Bob