Originally Posted by David Pye
Same - I had this leaking as well as the sunroofs :-(
But yeah, moved the striker plate and the plastic guide plate above it (mine is a disco2, dunno if a disco 1 has that too?) and it now takes a bit more effort to slam, but makes a satisfying 'clunk' noise when it is shut properly!
Nah, the D1's tend to leak and rust through right at the top of the rear door's top right corner
(on the body not the door).