Clean the refrigerator door gaskets with warm soapy water and a soft cloth.
How to fix refrigerator door hinges.
You can follow the steps in this video to help you do this easy repair.
Prepare to quell the squeal before you eradicate the squeak remove the refrigerator contents from the door compartments and shelves.
The refrigerator door lubricant within the hinge can be removed along with the crumbs or caked liquid that was cleaned out of the hinge.
Adjust only the top hinge to straighten an upper door.
To realign the door just pry off the hinge cap and loosen the hinge screws.
To realign the lower door adjust the middle hinge.
Then align the door with the top of the refrigerator.