Many Vehicri are now at or getting near the timing belt replacement mileage. Lots of info has been posted on the timing belt, but these Isuzu tech videos will give you a lot more confidence if ya wanna try it on your own.

These vids are small and a bit rough to keep the file size down. They're instructional and not for entertainment, so as long as the message gets thru, that's what counts. WMV files only.

This one is for changing the belt if the timing has not been disrupted.
8:12 and 14.2 mb-

This vid is for changing the belt when the timing has been lost.
5:39 and 11.9 mb-

Another one for when the timing has been lost showing it in a different way.
4:00 and 4.4 mb-

Mark Griffin