Originally Posted by Road Rage
i didnt do this part...
Remove rubber plug from inner timing belt cover and screw special tool no. MD998738 (contact Miller Tool for this tool - 800-801-5420,
http://www.spxmiller.com/ - search for part # MD998767 or MLR-MD-99873
into the engine left support bracket until it makes contact with the tensioner arm (Figures 4 & 5).
would that cause it?
It might, ive never done that and never had a problem with my belts loosening up. Would never hurt to try to do what is supposed to be done though.