Evaporator coil freezing up, freezer and refrigerator are warm

ApplianceFrigidaire Refrigerator


Level of DifficultyEasy

Time to do repair1- 2 hours

Age of Appliance5 - 10 years

Tools Pliers
Screw drivers

Neil From Flemington, NJ

Dec 05, 2008

27 out of 29 people found this instruction helpful

Danger: Replacing these parts requires working with electrical wiring, be certain to unplug the refrigerator before starting work.

1. Unplug appliance
2. Empty freezer section
3. Remove shelves and Ice storage tray
4. Remove 6 screws from evaporator cover.
Note: Remember where the screws with insulated washers go.
5. Use a hair dryer to melt all ice from coil
Danger: To prevent injury or death from electrocution always ensure that the hairdryer does not get wet while in operation.
6. Unplug defrost heater and defrost thermostat wires
Note: Thermostat is wired in series with the heater.
7. Remove screw from white plastic holder located on top of evaporator coil
8. Remove styrofoam pieces from top of coil
9. Grasp the bottom of the evaporator coil and carefully lift and pull out the bottom end a few inches
10. Remove old heater coil by pulling out from the bottom and replace with new coil
Note: Be very careful when moving the evaporator, it is made of aluminum and will be very costly to repair if you damage the tubing.
11. Replace old thermostat with new thermostat
12. Re-connect thermostat and heater wiring
Note: Remember to route wiring so that condensation does not gravitate to the electrical connections.
13. You can check if the heater is working by manually rotating the defrost timer clockwise. The timer dial is located on the bottom, front of the refrigerator on the freezer side. Be careful, the heater gets very hot.
14. Re-install evaporator cover
15. Re-install shelves and ice storage tray
16. Plug in the refrigerator
Note: Depending on how warm your refrigerator was it may take 24 hours to return to normal operating temperatures.
Note: Take your time and the job will go faster.

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Diagrams and Parts List for this repair

Part PhotoPart DescriptionPriceAvailability

Defrost Heater

Part Number: PS427308

In Stock

Defrost Thermostat

Part Number: PS469269

In Stock