Howdy superdec Welcome to LOST
Tech generally isn't a good place to post questions - it's more for answers after the questions have been solved.
the main question sections for V6's is 'General' and for CRD's 'CRD....Love that Torque'
but I have a question for you - is the 04 Gas or Diesel?
if it's gas - there's no timing belt - it's a chain and it's lifetime
I suspect it's a Diesel - and that you're not in the US (we didn't have 04 Diesel's)
most of the European /Oz folks have said their owners manuals call for a 100K Kilometer change which is 60K miles, the US owners manuals say 100K Miles not kilometers.
however many of the Euro/Oz folks in 04 have the 2.5L - so that many be the difference, we only had 2.8L in 05/06
also for Diesels - the Noob thread has a lot of good information (some of it's helpful for v6 owners - but it's focused on CRD's)
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=54207
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2005 CRD
stuffSkeptic quod gratis asseritur, gratis negatur