Ok, call me stupid, but i'm trying to get the head off my cav's 20seh beastie, but i cant get the plastic cam belt cover thingy off! i've removed 2 bolts which are acssesible through the cam pulley, and 2 more bolts which were a little harder to get to further down. Also, i have found a join in the plastic just above and below the water pump, which theoretically should release it ?? but it still seems to be stuck somewhere around the crank pulley. WHAT THE HELL AM I MISSING ????? btw, the head is off, its just being held on by this stupid plastic thing.