Drivers door on 4x4 Sapphire Cos wont open from inside or outside. Suspect something inside the catch mechanism has broken - perhaps a spring. Unfortunately to get door panel off to get to latch you need to open the door. have pulled outside window seal out and shone torch in - can see both inside and outside levers seem to be operating their respective mechanisms O.K. Locking from inside lever working suggesting cable is connected O.K. Have totally run out of ideas and can't even think who I could take it to that can do anything more than I can - (I am in New Zealand so no use suggesting anyone in particular - just the profession). Any suggestions welcome. thanks David