I changed my timing belt yesterday but I am not sure how much tension is good or bad. what is the symptom of the tension being too high or too low? Any advice would be appreciated.

Also, Ihear noise from driver side engine. It is possible that the noise is from the cam gear?

 

Out of my own curiosity, what year/engine is this. I am a supernewb, but it may help others who reply.

 

it is a 99 A6, 2.8.