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MRT21TNBW3 Frigidaire Refrigerator - Instructions

All Instructions for the MRT21TNBW3
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Ice maker would dump ice one time and then stop. Turning the ice maker off for a minute and back on would repeat the process.
I removed the two side mount screws with a screwdriver and disconnected the electrical plug to the ice maker to remove it. I reversed the process to install the new one.

It was the thermostat that was the problem, but I chose to replace the entire ice maker for only $25 more.
Parts Used:
Refrigerator Ice Maker Assembly
  • James from KNOXVILLE, TN
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
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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
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The original fan motor began masking a noise and finally stoped working.
Followed video instruction and completed the replacement. I had to join the wires since the connector was a male plug to a make plug.
Parts Used:
Evaporator Fan Motor Kit
  • Justin from FRANKLIN, TN
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Nutdriver
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Repaired Oven Range Light Bulb
The bulb has a plastic clear cover. That cover can just be carefully removed using a screwdriver. It's held in by a metal bracket. After you remove the cover. You'll just need to replace the bulb and then re-install the cover and bracket.
Parts Used:
Light Bulb
  • Alan from SAN MATEO, CA
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
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Fridge would not cool at all, because the compressor was not running. Fan running, lights working, just no cool.
Remove the cardboard access cover at the bottom back of the fridge. On the left side, locate the run capacitor. Remove it by prying it loose from its socket, after first removing the wire hold down clamp. One wonders why the clamp is there, which makes it difficult to get the run capacitor out. Be careful not to disrupt in any way the copper refrigerant tubes. If you mess them up, you will have wasted your time and effort trying to repair the machine. I was lucky, since a failed run capacitor is the problem only about 12% of the time, based on what I’ve read. Hallelujah! It was the problem with my fridge.
Parts Used:
Run Capacitor
  • David from ABINGDON, VA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
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4 broken drawer cover supports
Followed someone before me instructions. very simple and easy
Parts Used:
Crisper Drawer Cover Support
  • Chester from STOCKTON, CA
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
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Freezer was freezing but refridgerator was warm. Checked fan and it was not turning.
Unplug fridge. Removed 2 nuts to get the vent plate off and two more nuts to get the motor mount off. Removed fan blade and then the fan motor. I put the new motor in and put everything back as it was. It was very easy. I had items in the freezer, so I didn't turn the fridge off other than to replace the part. It took about 6 hours for the fridge to reach optional temps because I didn't get to defrost and the fridge had to work it out on it's own. If you don't need the freezer then you should turn the refridgerator off for at least an hour and open the doors so the coils can defrost and any ice blockage between the freezer and fridge portion can melt away as well.
Parts Used:
Evaporator Fan Motor Kit
  • Jerry from PHOENIX, AZ
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Socket set
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ice maker quit working/and it was leaking
BOUGHT NEW ICEMAKER TOOK TWO SCREWS OUT, UNPLUGGED THE ELECTRICAL CONNECTION. REMOVED OLD ICEMAKER, PUT TWO SCREWS BACK INTO REFRIGERATOR(DON'T SCREW ALL THE WAY IN AS THE NEW ICE MAKER WILL FIT ON. HOOK ELECTRICAL CONNECTION AND ADAPTER (THAT COMES WITH IT). PUT THE DRAIN TUBE IN ITS SPOT, HOOK ICE MAKER ONTO THE TWO SCREWS TIGHTEN EM DOWN. I DID THIS RIGHT BEFORE I WENT TO A BIRTHDAY DINNER WITH MY HUSBAND, WAS ALREADY DRESSED AND READY TO GO AND I TOLD HIM ILL PUT IT IN SO WE CAN HAVE ICE WHEN WE RETURN. ENDED UP BEING A SURPRISE PARTY FOR ME AND WHEN WE RETURNED WE HAD ICE. IT WAS SO EASY EVEN A GIRL CAN DO IT!!
Parts Used:
Replacement Ice Maker
  • KATHY from MURFREESBORO, TN
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver
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Blown thermal fuse for Ice Maker
After disassembling, the thermal fuse I ordered were not and exact fit, I had to cut off the ring terminals, strip the insulation back and splice it in.
It works.
Parts Used:
Icemaker Thermal Cut-Off
  • Derekandkelsey from WINCHESTER, VA
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Nutdriver, Pliers, Screw drivers, Socket set, Wrench set
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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
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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
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Ice maker not making Ice
Unscrewed (loosen) screws lifted unit out unplugged electrical connection. plugged in unit hung on screws tightened screws and had ice in less then 1 hour. Rick
Parts Used:
Refrigerator Ice Maker Assembly
  • Colline from PENDLETON, OR
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Nutdriver
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made lots of noise
Loosen two screws, unplug power, lift it off, put new one on and make sure water chute is correct place, tighten screws!
Parts Used:
Refrigerator Ice Maker Assembly
  • Kelly from GILBERT, AZ
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
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Refrigerator was not cooling and the motor was running constantly
Having tried PartSelect.com before, I was very comfortable with the process. Input my symptoms and the feed back I received was that one of the 2 things (Defrost Timer or Defrost Thermostat)might need replacement. Since the cost was not much and over night shipping would cost more than the product, I decided to order both the parts. Changing parts was a breeze. The instructions posted by others on your web site were very easy to follow. You guys save me a bundle every time I have any thing going worng with any of my appliances.
Parts Used:
Defrost Thermostat Defrost Timer - 60Hz 120V
  • Anil from Somerset, NJ
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Pliers
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Evaporator In Freezer Freezing Up, Fridge Warm
Removed shelf brackets to allow the removal of the evaporator sheetmetal cover. Unpluged wires to thermostat ,removed defrost timer and plugged in new timer,(front left lower kick panel). Cut and resoldered wires to new thermostat reinstalled thermostat and cover in reverse order. I knew what parts I needed and how to repair the unit,however your customer comments were spot on and would help anyone perform a successful repair (you provide a helpful service for the public)
Parts Used:
Defrost Thermostat Defrost Timer - 60Hz 120V
  • DONALD from MECHANICSVILLE, MD
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver
2 of 3 people found this instruction helpful.
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All Instructions for the MRT21TNBW3
91 - 105 of 269