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DV448AEPXAA Samsung Dryer - Instructions

All Instructions for the DV448AEPXAA
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Dryer would not spin
The design of my dryer is a bit different from the video on PartSelect - but it is very close. And if you watch the really good video on PartSelect plus a few others on Youtube you can figure out how Samsung in general designs the different components. You can fix this yourself definitely.

Cost of part to fix - about $50.
Repairman - didn't even ask. Would probably be $300-400.
Cost of replacement $1,000.

I rated the repair "A bit difficult" only because this is the first time I have ever repaired an appliance. If I were to repair this one again, I'd rate it as Easy.

I'm really thankful for the PartSelect video. This makes DIY repairs possible.

Thanks.
Parts Used:
Idler Pulley Bracket Motor
  • John from EARLYSVILLE, VA
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    More than 2 hours
  • Tools:
    Screw drivers
1 person found this instruction helpful.
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Heating coil went ..
Dryer was pretty easy to disassemble. The video helped, especially when re-routing the drive belt. Would definitely but from Parts Select again!
Parts Used:
Heater Duct Assembly w/ Thermostats
  • Peter from TROY, NY
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Nutdriver, Screw drivers
1 person found this instruction helpful.
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Old hot water inlet hose had budge at both ends.
Turn water off at the inlet valve of hose you are replacing. Disconnect inlet hose the washer and let water drain out in a bucket. Then remove old hose. Replace new hose to inlet valve then washer . Use pliers to tighten both ends. Turn on water to check leaks at both ends of hose.
Parts Used:
Inlet Hose - 5 FT
  • Jimmy from MEMPHIS, TN
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Pliers
2 of 4 people found this instruction helpful.
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high limit thermostat and heating element were bad.
I would like to direct the attention to PartSelect instead of my repair. They were awesome in helping me to get my parts. I had called, a few minutes after the deadline for overnight shipping, the gentleman helping me, pushed the order through and I got my parts the next day, allowing me to repair my dryer. I have ordered several parts, for several different appliances, (all Samsung) and PartSelect has always come through for me. Excellent Customer Service!!
P.S. Don't buy Samsung appliances unless you want to get good at repairing them!
Parts Used:
Heater Duct Assembly w/ Thermostats
  • Paul from FIRESTONE, CO
  • Difficulty Level:
    Easy
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Screw drivers, Socket set
1 of 2 people found this instruction helpful.
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Dryer won't start
Ordered part on 8/24/22. Received wrong part twice now. It is 9/10/22 and I am waiting for the third. Right part number on package but it contains the wrong part. Beyond mad!
Parts Used:
Thermostat
  • Paul from ANDES, NY
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
1 of 2 people found this instruction helpful.
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dryer leveling legs were missing
We unstacked our washer and dryer and needed dryer feet again.
Parts Used:
Leg
  • Jordan, from NIOTA, TN
  • Difficulty Level:
    Easy
  • Total Repair Time:
    Less than 15 mins
1 of 2 people found this instruction helpful.
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The (front-load) dryer was noisy and eventually slowed down but was still heating.
I removed the dryer top and saw that the belt was intact. (I had suspected the belt or something stuck in the exhaust fan or somewhere.) I watched a few youtube videos and took off the rest of the top plates and front door and inner structure that held the barrel. After i inspected and cleaned out the fan blades and exhaust areas, I looked at the pulley rollers (motor and idler rollers). The idler roller looked a little melted and chewed up. I replaced it with the new assembly. Also replaced the belt. Putting the barrel and new belt back on was harder for me than the videos indicated because the spring was very tight and the area to put my hands was small and didn't give me enough leverage. I eventually got someone to give me the third hand pulling the idling roller a little further over and the belt was back on. It didn't take me long to put the whole dryer back together. It is running fine now.

These are not instructions as much as warning that although it is a one-person job, the idler pulley assembly is not as easily manipulated with the barrel there. Doing the fix was straightforward: one screw holds it in place. The men in the videos seemed to have no problem with easily replacing the belt, but I needed help with the tight spring. Perhaps now that I've done it once, I could figure out how to reach around the barrel and yank the roller enough to replace the belt, but with the extra hand it took seconds and was super easy.
Parts Used:
Idler Pulley Bracket Motor
  • Pamela from TILLSON, NY
  • Difficulty Level:
    Easy
  • Total Repair Time:
    More than 2 hours
  • Tools:
    Screw drivers
1 of 2 people found this instruction helpful.
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Drum don’t turn
Follow the video instructions.
Parts Used:
Timing Gear Belt
  • Orlando from LAWRENCEVILLE, GA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
2 of 5 people found this instruction helpful.
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Drum stopped turning.
Followed the video on the website and finished it in a short time. Now it works like a new dryer.
Parts Used:
Timing Gear Belt
  • Dequince Atkinson from PLATTSBURG, MO
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
1 of 2 people found this instruction helpful.
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Drier did not turn it was not the belt
I still had to take it apart there was a small sock stuck in the fan that blowes the lent out my wife left the lent filter out one time. Your video was a great help. I'm a mechanic and it was easy thanks Anthony Ratto Tulipbike82@aol.com
Parts Used:
Timing Gear Belt
  • Anthony from FLORAL PARK, NY
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers
1 of 3 people found this instruction helpful.
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Hooking up belt and pully
Followed video and YouTube most was easy.... put the hooking up the belt took time
Parts Used:
Idler Pulley Bracket Motor Timing Gear Belt
  • Corrado from YONKERS, NY
  • Difficulty Level:
    Difficult
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Pliers, Screw drivers
1 of 4 people found this instruction helpful.
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The dryer shut itself off and displayed error code TO
Took off the back of the dryer and replaced the thermistor. A $7 part that would have been a couple hundred dollars if we had to call a repairman.
Parts Used:
Thermistor Sensor
  • Leslie from Frederick, MD
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
1 of 4 people found this instruction helpful.
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Dryer wouldn't start.
I verified that the thermistor was bad by testing the resistance. My manual said it should be 10K ohms at 78F. I was reading over 30K ohms. This is what caused the thermostat to blow, as the thermistor was telling the dryer the air temp was a good 30 degrees cooler than it actually was. You can also verify the thermostat is bad by checking it for continuity. I removed the screws on the top-back of the dryer and slid the top back to reveal the screws holding on the control panel. I removed those and popped off the control panel. It required a good bit of force. I then removed the four screws holding the front piece on and removed it by pulling it slightly towards me and up. The parts are located on the bottom right. They were underneath a black plastic flap on my dryer. I removed the cables and the took both parts out with a screwdriver. I replaced them with the new ones (they should only fit in the right slot) and reattached the cables. From there, reassemble in reverse of the disassembly.
Parts Used:
Thermistor Thermostat
  • Cody from Jonesboro, AR
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
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Would not heat
Took the top back screws off (2) then pulled the top toward me and it came off. This left four screws that hold on the front control panel. I took out this four screws, which the control panel came out. You will then have to disconnect the door switch. Then I took off the front door, which which has two screws. Then I took the four screws out of the front panel,which are all on the top below the front control panel. You then have to pull up on the front panel to lift it up, it is sitting on two slots. This will give you excess to the heater. There will be one screw take it out and the heater will pull out also there will be six wires that you will have to disconnect so pay attention where they go (write it down.) You will have thermostat 2 and 3 and heater switch. Test them with a ohmmeter, my thermostat 3 was bad. There will be two screws to take out to replace the part. Put the wires back and put the dryer back together like you took it apart.
Parts Used:
Thermal Fuse with Bracket
  • Bobby from Amory, MS
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
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the thermistor was open circuit
I change the Thermistor 3 bracket and worked well for 10 minutes and the thermistor is broken again
Parts Used:
Thermal Fuse with Bracket Thermistor
  • Beatriz from Sharonville, OH
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
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All Instructions for the DV448AEPXAA
31 - 45 of 54