Im probably being paranoid about my clicking. I sure I can hear something clicking away but it's constant and does not go away after 5-10 seconds which suggests it may be normal
Hope you can sort a deal with the stealers mate.
mine does that mine has two noisy fuel injectors.
Listen near the cam cover if its noisy there theb worry.
As for when please read my previous posts on threads on here.
Its ONLY AT STARTUP AFTER THE CAR HAS RESTED AND HAS LOW OIL PRESSURE WERE IT USES THE RATCHET ON THE TENSIONER UNTIL OIL PRESSURE TAKES OVER THE TENSION.
It wont happen if you only stop for a short time as the tensioner tensions with oil pressure and drops back onto its ratchet when oil pressure is low ie when the car rests for a while.
Ill not explain it all fully as ive done it many many times already.