Hi, I've gone to do this job today, drained the oil removed the filter, removed the three bigger bolts, removed around half of the smaller bolts, then came to one that was very tight to undo, kept working the bolt backwards and forwards then the bolt went solid and the head has rounded off, the bolt is probably 5mm off the sump but now I can't tighten it or slacken it, has anybody encountered this or can anyone think of a way of removing it thanks
Thats a bit of a pain. You should be able to get a hex/allen key into the inner bit to get turn on it, but it's odd that it's got stuck halfway out.
If you can't get it out, then you could use a dremel cut the head off, the use a grip wrench to wind the remainder out?