Yes, I agree on changing the belt "just in case", but my main issue is messing with this hidraulic tensioner that's need to be reset by compression and I definitely don't want to mess with him.. specially knowing that it's "new" by a Volvo dealer.
Already had a catastrophic timing failure due previous owner compressing the older one instead of installing a new hydraulic tensioner as posted here:
https://www.volvoforums.org.uk/showthread.php?t=334979
Think will "accept" my luck on finding a original B4194T from 1998 that has been fully serviced less than 2 years ago directly by Volvo and look's like this inside:
