Ok bud least that's that out the way, no not above wheel that's the gearbox end plate on some Vaux models that's the way you slide the centre gearbox spline out to remove clutch rather than dropping gearbox out , ..... regards starter as I say if cars up in the air as you are under it look with a tourch to the left inner cv gaiter it's just above that . Think it's 2x 13mm bolts but some are spline or torque bits just depends what's on yours. Just remove battery lead to before you undo it though from starter , I'm sure there's a YouTube vid floating about of a full how to remove an rebuild the starter been few years but should be still on there , is yours mk 4 or 5