This assembly meters cold air from the freezer into the fresh-food compartment and provides temperature feedback to the controls. Replacing a failing unit restores proper airflow and more stable, even cooling performance.
- Motorized damper door opens and closes to regulate airflow from the freezer; stuck-open can cause freezing near the vent, stuck-closed can leave the fresh-food section warm.
- Integrated thermistor senses compartment temperature and signals the control board; a failed sensor can cause erratic or inconsistent temperatures.
- Helps balance airflow between compartments to maintain set temperatures.
- Common clues include clicking/chattering from the damper area, weak or constant airflow, warm spots, or items freezing on upper shelves.
What's included: One air damper and thermistor assembly. Install notes:
- Disconnect power before servicing.
- Access the damper through the fresh-food air duct; remove shelves and the duct cover as needed.
- Disconnect the wire harness; route and seat wiring and seals in the same positions during reassembly to prevent air leaks.
- Restore power and allow up to 24 hours for temperatures to stabilize.
Do-It-Yourself Stories from Customers like You
Refrigerator side was not cooling but freezer side was still working (appeared excess frost had built up on coils also) Daniel W. • Knoxville , TN • April 04, 2020
Replaced all temperature sensors, damper, and the thermistor (all probably were not needed but I was not exactly sure the issue, but I knew my heater, compressor, and the evaporator fan were all working correctly).
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