There is a recall on Viking refrigerator hinges. Check and see if your refrigerator falls under this recall. It may just require a new hinge. The recall hotline # is 888-345-2650.

You call also see if it falls in this category.
VCSB483, DDSB483, DFSB483, DTSB483 Date codes before 030104 (on serial # ). Go to this site to see if you fall under the recall.

http://www.cpsc.gov/cpscpub/prerel/prhtml09/09242.html

I would advise to apply a skim of vaseline to door hinge side only. Onto the ref itself from top to bottom if that does not help than i'd replace the door gasket