I'm about to replace the tie rod ends, and cv boots.
I think I've heard some clicking coming from the passenger cv joint.

If it is indeed damaged, do I need to replace both passenger and driver side cv joints?

Thanks.

 

BTW,
C5 A6 Q 1998 2.8

 

If you only hear the clicking sound from the right side, just replace that CV joint. If the other side is ok, no need to replace it

 

Get a rebuilthalf shaft. The price is about the same as a new CV joint with labor to put it on the shaft and you get bothinner and outter new boots.

There are lots of posts about this do a search!