Quote Originally Posted by Elmura View Post
So how can you tell if its just the tensioner, or the guides making the racket? (I have the same engine in our MY12 CC and it's now passed 80,000km. No noise yet.)
Replace the tensioner and see if the rattle goes from 30seconds or more at startup to only a few seconds.
If it doesn't fix it (or the fix seems only temporary) then move on to looking at the chain.