I replaced the serpintine belt on my 90 4.0 liter along with the idler pulley and fan clutch to cure a very loud bearing squeal that was coming from the front of the moter. Worked like a charm except when I put it all back together the belt is not centered on the fan pulley, it wants to ride near the back of the pulley but every thing is in perfect alignment and is running true. Can someone check there vehicle and tell me where there serpintine belt sits on the fan pulley???