Mardi 
2004 Nissan Quest Minivan 3.5 SE 4dr Minivan (3.5L 6cyl 5A)
The right rear door
 In two months my car has been back 4 times for the same right rear door problem.  It intermittently decides to not latch, leaving the door to slide front and back while driving. Very unreliable after 3 years of a good relationship.