If your Sub Zero refrigerator door is misaligned and not closing or not sealing, start with the simplest fixes: check the lower hinge adjustment screws and hinge pin and raise or lower the door as needed, or add plastic washers or shims to the lower hinge to bring the doors into line. If the gap persists, inspect the door closing cam and closing mechanism next, since worn cams or mechanisms commonly let the door sit off-kilter. After that, look for bent or damaged hinges and the top hinge assembly—loosening the top hinge screws can let you nudge the door side to side, then retighten once alignment is correct. Many misaligned-door jobs are resolved by adjustment and a worn closing cam or hinge replacement, and these parts are easy to swap if you have basic tools. You can enter your model number on RepairClinic.com to find the exact replacement hinge, closing cam, or hardware for your Sub Zero, with parts diagrams and repair guidance tailored to your model so you can fix the fridge door misaligned issue yourself.
01 - Door adjustment required
Some refrigerators have adjustment screws on the lower hinge that can be turned to raise or lower the door for better alignment. For others, you can add plastic washers or shims to the lower hinge pin to help align the doors. Loosening the top hinge screws will often allow the door to be readjusted from side to side (don't forget to retighten the screws after any adjustments are made).
Highly Likely
02 - Sub Zero Refrigerator Closing Cam
A refrigerator door closing cam allows the door to rest in place in the open position and to close securely on its own when the door is swung shut. A damaged closing cam could cause the door to be misaligned. Inspect the cam for wear or damage and replace if necessary.
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A refrigerator door closing mechanism allows the door to rest in place in the open position and to close securely on its own when the door is swung shut. A damaged closing mechanism could cause the door to be misaligned. Inspect the mechanism for wear or damage and replace if necessary.
A damaged or bent door hinge could cause the refrigerator door to be misaligned and not close properly. Inspect the hinge for defects and replace if necessary.