I went to see 1996 4 litre he petrol the guy said belt had gone when I lifted the bonnet the belt was off the problem was the fan it slack and moving up and down quite freely it's Brocken from its mount my question is are they attached by a pole or crank it's not just a case of tightened is it I seen some sheeted alloy lying next to it is that engine apart or the front of the water pump only or is it big job any help plz cheers