Introduction
Use this guide to replace the freezer thermistor or temperature sensor in your Whirlpool Refrigerator.
The freezer thermistor measures the air temperature in your freezer and signals temperature regulatory processes. If your freezer doesn't cool properly, your freezer thermistor might be broken.
This guide will work for most Whirlpool refrigerators. This guide is written with a model WRS315SDHW refrigerator. If you have a different model, you may encounter some minor disassembly differences, but the overall repair process will be the same.
To replace the refrigerator thermistor, follow this guide instead.
Note: Some photos show the doors removed for clarity purposes. Removing them is not required and will not change the procedure.
What you need
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Lift the bottom of the evaporator cover up and over its lip in the chassis.
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Pull the cover toward yourself to release its top clips.
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Continue pulling the evaporator cover towards yourself to unclip its metal prongs from the chassis.
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Remove the evaporator cover.
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Use a spudger to push the tip of the thermistor through its slot in the wire harness.
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Disconnect any connectors attached to the thermistor.
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Ask FixBot
To reassemble your device, follow these instructions in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
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