In most circumstances the need to change you seal will be obvious. The seals will be broken, split or torn. This allows the cold air from the refrigerator to escape so the motor has to run longer.
The motor could be running longer to help keep the fridge cool because the cold air is escaping out of the broken seals. A good sign of this happening is an increase in you electricity bill, or in the freezer section ice builds up quickly.
Other signs can be food going off quickly, or water leaking from your refrigerator.
Mould could also build up on your seals which is an indication that air is passing through the seal.
Some customers want their seals changed after they have seen cockroaches or ants near their refrigerator.
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