Models > MFU20F3GW8

MFU20F3GW8 Uni Freezer

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This is a genuine OEM replacement key for the door of upright or chest freezers. If you have misplaced or damaged your key, you will need a replacement in order to lock and unlock your freezer door. W...
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If you have frost building up in your freezer, or the temperature in your fridge is running too warm, there may be an issue with the defrost thermostat. This thermostat sits on the top of the evaporat...
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The gasket for your freezer door is used to provide a tight seal, preventing the cold air from escaping and warm room-temperature air from getting inside the freezer. If the gasket becomes torn, crack...
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If your refrigerator is not maintaining a consistent temperature, or there is frost building up, you may need to replace the defrost timer. The 120V defrost timer is a genuine OEM part that acts like ...
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These are used to hold your gasket in place.
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This is an adjustable foot for your freezer, refrigerator, and dryer. This part supports your unit by screwing into one of the bottom four corners, and adjusting the height of your machine. If your ap...
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This 18 ml bottle of white appliance touch up paint is a little over two inches tall. It can be used for refrigerators, microwaves, ranges, clothes dryers, and freezers.
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$14.92
This multi-use screw fits various appliances and tools such as, freezers, refrigerators, wall ovens, washers, ranges, dishwashers, dryers, microwave oven combos, combos, wine and beverage coolers. *Pl...
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This part is located at the bottom of the evaporator. The defrost heater heats the evaporator in the defrost mode of operation to keep the cooling coils from frosting over. The thermostat must be rep...
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Common Problems and Symptoms for MFU20F3GW8

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Frost buildup
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Too warm
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Fridge too warm
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Doesn’t stop running
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Noisy
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Won’t start
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Freezer not defrosting
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Freezer section too warm
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Fridge runs too long
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Freezer too cold
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Will Not Start
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Too cold
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Customer:
Thomas from RIXEYVILLE, VA
Parts Used:
5304507199
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Screw drivers
Gasket old and leaking
This freezer has many screws that hold the cover on the back of the door and assist clamping the edge of the gasket in place. Be sure to just loosen the screws 3/4 the way out, use a flat head screw driver to pry the cover from the door in case over time it is stuck to the door. The new gasket will come in a creative box trying not to kin k the gasket itself, but there will be some distortion of the gasket when you get it. Put it in the sun or in hot water. I put it in my dryer for 10 minutes. Remove the old gasket, and start at the top of the door to replace the gasket. TIPS: If the screws are backed out enough, there should not be any problem sliding the back part of the gasket under the cover. When on the sides, do not pull the gasket down to make it easier to slide the gasket underneath the cover. This will distort and lengthen the gasket so it will not fit and thin it out so it will not function well. Once the gasket is in place, tighten the screws being sure to feel along the outside edge of the gasket for any bulging that would indicate that portion of the gasket is NOT under the cover properly.
109 of 116 people found this instruction helpful.
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Customer:
CHARLOTTE from SEDALIA, MO
Parts Used:
297147700
Difficulty Level:
Really Easy
Total Repair Time:
30 - 60 mins
replacement freezer keys
I accidently threw away both freezer keys to our upright Gibson and G.E. Freezers!!!! I had no luck finding replacements locally, so I got on the internet and came across PartSelect.com. I called them on the telephone; and after giving the model numbers of my freezers, the keys were on their way!! I received the keys very quickly and bot h worked perfectly. I would highly recommend Partselect.com. Charlotte M. Bishop
72 of 81 people found this instruction helpful.
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Customer:
Wayne from Forest Hill, MD
Parts Used:
5304518034
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Temp alarm sounding and food on top shelves partially thawed
After silencing the alarm, it seemed to be running as normal without any unusual noises, but food was starting to thaw from the top shelf on down and condensation was dripping from the roof. We were able to place most of the food in 2 large ice chests and then the rest in the freezer compartments of 2 fridges we have in the house. I the n turned down the temp dial to the coldest setting and let it run for an hour or so; no change.

After researching on the internet, it sounded like our symptoms could be pointing to a defrost timer issue. I pulled the freezer away from the wall, located the timer and used a large screwdriver to slowly advance it. While doing this, at one point I could hear the compressor kick in. I pushed the quick freeze button and let it run for a while. When I checked it in a few hours, the alarm light had gone out and water that I had placed inside was frozen. We took a chance and put the food we placed in the ice chests back in the freezer. Everything was fine several hours later.

I ordered a new defrost timer, it arrived in a couple of days, and replaced the old one with it in a matter of minutes by disconnecting the wire harness from the old timer, removing the 2 screws holding it onto the bracket, screwing the new timer to the bracket, reconnecting the wires harness, and done. It's been a week or so and no problems.
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