Assuming its just the rubber bit, i have a spare. Its not that old mate, you are welcome to it. But double, nay triple check that the bottom crank pulley bolt is tight, i had that last time i destroyed a head it was due to the bolt being loose
I know.. I really need to check it but just have no time at the minute to get the lock carrier off!! Don't really want to be driving it until I've checked it over but haven't got an alternative at the mo.
Access straight through the center mate. You won't strip this bad boy, it's usually a tw&t to remove, but there have been cases of them removing themselves and shearing the key and, well the rest is history. Thats why i have that pulley, i stuck it on mine as it was noisey, a few weeks later, BANG. And when i changed it all over i forgot to put the new pulley on