oh and on the 1.8 zetec e engine there is a tensioner pully on the bottom near the bottom crank behind the black platic cover it seems my engine hasnt got one which cud of made the belt strip the teeth of it i think ..any clues?? its a 1999 zetec e the manual says its got a tensioner at the bottom neat the crank but when i took the black plastic bit behind the bottom pully of to get the belt out it seem the tensioner isnt there lol any ideas??