please help my front drivers door keeps popping open while driving not right open but on to first catch so it rattles.to day i got out of car to shut door and its not shutting now unless i lean on it a bit even then if i pull the door it pops open again. i have tried moving the catch that is on the door pillar and enen swopped it with the passenger side one to see if it was that but still no joy i now have the door in bits but not takeen internal parts off yet thought i would ask for help first ;)