My 36K miles '03 Quattro has a persistant rattle in the driver door. Since under warranty will eventually have dealer look at it. Is this common? Is there a known culprit? Door shuts well, but needs a teeny bit harder nudge than other doors to get a solid closure.

 

probably just needs adjusting. you may be better off having a good body shop adjust it for you rather than have the dealership tell you you need a new door