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MFU14F3GW3 Frigidaire Freezer - Instructions

All Instructions for the MFU14F3GW3
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Freezer was running too warm
Removed the old defrost timer by removing 4 screws on the holding bracket. Disconnected the wire harness. Reconnected the wire harness to the new part. Installed the new part with 2 screws on the top of the molded bracket. I am a 67 year old woman... easy-peasy. (the defost timer is located in the bottom left rear of the freezer.
Parts Used:
DEFROST TIMER
  • Jeanne from SAN ANTONIO, TX
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
6 of 7 people found this instruction helpful.
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Coils freezing up and refrigerator would get warm
Wasn't sure if it was the derost timer or the heating element. Since the timer was much cheaper, I bought it and crossed my fingers.
My story is like the others. Unplug the refrigerator, snip the old wires, strip back the wire insulation, use the supplied connectors to attach the new defrost timer to the existing wiring.
Success! My coils no longer freeze up.
Only difficulty is I am a large guy, and fitting my upper body into the freezer was challenging.
Parts Used:
Defrost Thermostat
  • Richard from Scranton, KS
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver
6 of 7 people found this instruction helpful.
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Freezer frosted up
Removed old thermostat and replaced. really easy.
Parts Used:
Defrost Thermostat
  • Gregg from Mohnton, PA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers, Wrench set
6 of 7 people found this instruction helpful.
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Freezer was getting a build up of frost on the condenser and wasn't cooling.
First I remove the back panel which had 4 screws. Then I removed the ice maker. The icemaker is held in place by the 2 screws that requires backing the screws out just a litter, than lift up and remove the electrical connector. Used a volt ohm meter to check the resisitant in the heater element and the defrost timing switch. Both tested good and that left only the thermostat. Removed and replaced the thermastat swich. I cut the ends of the old switch and crimp the ends of wire with the crimps that came with the swict i purchased from parts select. My refrigerator is working properly and making ice like normal.
Parts Used:
Defrost Thermostat
  • Arthur from Lithonia, GA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver
5 of 5 people found this instruction helpful.
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freezer would not defrost
tested defrost timer and heater. And then tested defrost timer with ohm test($6 at hard ware store) Closed and would not open replace and tested freezer take 30mins to get switch cold and retest.
Parts Used:
Defrost Thermostat
  • Fernando from La Grange, AL
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers, Wrench set
5 of 6 people found this instruction helpful.
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I Lost The Key
I order another one thanks
Parts Used:
Freezer Door Key
  • VICKIE from DAWSON, GA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
5 of 7 people found this instruction helpful.
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Missing key
After removing the key from its shipping package I pushed it into the freezer locking slot and turned it to lock and unlock the lid and then removed it. I had no problems with this fix. Of course, I am an older gentleman with a lot of experience in repairs around my house,as well as other houses. I am sure that a less experienced person may have more of problem with this type of "repair".
Parts Used:
Freezer Door Key
  • John from DUNBAR, WV
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
3 of 4 people found this instruction helpful.
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freezer was warm
Top freezer took off the panel in freezer and melted the ice around coils and found the defrost thermostat and replaced with the new one. Just followed the instructions from your video on line. Freezer works just fine now. Refrigerator is 38 years old.
Parts Used:
Defrost Thermostat
  • Carol from OSHKOSH, WI
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
2 of 2 people found this instruction helpful.
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freezer colk, refrig warm
Followed the instructions provided in your video, took less than 15 minutes and works like new. Thank you for the parts and the advice.
Parts Used:
Defrost Thermostat
  • Jeff from GLENDORA, CA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Nutdriver
2 of 2 people found this instruction helpful.
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Fridge not cooling
My fridge side had warmed up to 70 degrees but the freezer side was still cold. The coils inside had iced up. After thawing with a hair dryer, it froze back after another week. I removed the old defrost thermostat and wired the heater strip directly and turned on the defrost timer. It began melting the ice so that ruled out the heater strip being bad. I couldn't get a reading with my ohm meter on the defrost thermostat so I took a chance and bought the part. Installation was a breeze and it fixed the problem.
Parts Used:
Defrost Thermostat
  • WESTLEY from HATTIESBURG, MS
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver
3 of 5 people found this instruction helpful.
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Freezer coils kept freezing over.
1. Turned off the cooling cycle and unplugged the refrigerator.
2. Removed all of the shelving and bottom basket.
3. Removed rear covering in the freezer section.
4. If frosted over, manually defrost coils with hairdryer.
5. Located original thermostat and after marking the wire locations cut the wires and removed the Thermostat.
6. Connected matching wires using a lighter to melt the wires together. Wrapped repaired wires with electricians tape.
7. Unable to install the thermostat in the recommended location (freezer is a tight fit) the new part was installed at the original location.
8. Replaced the rear cover and shelves.
9. Plugged in the refrigerator and set the cycle back to cooling.
10. Monitored freezer coils couple of days/weeks depending on how fast they freeze over (slots at bottom of cover) to validate if problem solved.
Parts Used:
Defrost Thermostat
  • Kyle from Porter, OK
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Nutdriver
3 of 5 people found this instruction helpful.
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Freezer not cooling due to icing up of coil.
The timer in this older unit is clearly exposed at the back of the freezer underneath the freezer compartment. It is attached with two Phillips head screws. After the screws are removed, the timer can be unplugged and the new one plugged in. The new timer has an extra flange to allow it to be used on more than one model of freezer. In order to mount the timer in this unit, you have to remove the extra flange by carefully cutting it away from the timer body, in similar fashion to what's depicted in the online video. This will allow you to mount the new timer to the mounting plate using the two screws from the old timer.
Parts Used:
DEFROST TIMER
  • Thomas from GRANBURY, TX
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
2 of 2 people found this instruction helpful.
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Getting frost build up on the inside at the top of the door .
removed door and took all the screws out of the inside door rack. removed old door seal . replaced door seal and made sure that the seal fit around and door rack fit into the groove then replaced all screws and tightened choosing random sections to tighten .replaced the door plugged back in wires that I removed and replaced door hinge screws . Shut door and checked sealing 2 hours later .Complete seal .
Parts Used:
Door Gasket
  • Gene from VICTORVILLE, CA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
2 of 2 people found this instruction helpful.
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I had a broken fan blade due to ice build up from a leaking ice maker.
1. I took out one screw on the ice maker and loosened the other two screws and unplugged and removed the ice maker.
2. Next I took out 2 screws from the bottom of the auger drive box and unplugged the wiring harness and removed the box. The wiring harness was a little tricky. The lock on the plug pushes in to unlock even though it looks like it pulls out,.
3.next you must remove 2 screws from the left side bracket that holds the auger box and remove the bracket.
4.Now take out 8 screws that hold the back panel in place and remove the back panel.
5. now your looking at the evaporator fan blade and motor. The simple way to replace the fan blade is to unplug the motor and remove it from the freezer. It just sits in with nothing holding it. The fan requires a little pressure but should pull right off. Install new fan blade and put everything back in the same order it was removed.
Parts Used:
Evaporator Fan Blade
  • gary from ARANSAS PASS, TX
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Nutdriver
3 of 5 people found this instruction helpful.
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Old gasket was broken
Removed old gasket, then installed new gasket. Make sure to allow new gasket to set out for a few days prior to installing to get all wrinkles out, use a heat gun after installing to make gasket shape to freezer door.
Parts Used:
Door Gasket
  • Henry from BYRON, GA
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
2 of 2 people found this instruction helpful.
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All Instructions for the MFU14F3GW3
16 - 30 of 57