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DWU7400BBX Maytag Dishwasher - Instructions

All Instructions for the DWU7400BBX
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original basket fell apart
threw out the broken and put in a fantastically improved new one. very easy (would have done it sooner if I'd known it was that simple to find it online and order it) thanks
Parts Used:
Silverware Basket - Gray
  • D from Villas, NJ
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
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Door would fall open
Removed four screws on bottom plate. Located repair site on outside of cabinet. Had to hook spring on bottom rear plate by brail. Then attached linkage to spring and ran stiff wire through linkage to raise it above arm. Called a man with stronger but larger hands had him stretch the spring while I guided linkage over arm and into the slot using the wire. Removed stiff wire with needle nose pliers and reassembled front plate.
Parts Used:
Door Spring Linkage
  • Margaret from New Orleans, LA
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Pliers, Screw drivers
5 of 5 people found this instruction helpful.
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Reservoir was leaking past the 0-ring and out the front of the door
After removing the parts so I could get at the o-ring, I replaced the o-ring and restarted the dishwasher. Water was still getting past. Maybe has something to do with the difficulty of tightening around the short shoulder near the o-ring. To overcome the problem I applied a thin layer of Marine Goop under and over the o-ruing and reassembled the parts. Now no leaks.
Parts Used:
Reservoir O-Ring Soap Cup Door Latch and Gasket
  • CHARLES G from OKEMOS, MI
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Nutdriver, Screw drivers
6 of 8 people found this instruction helpful.
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Dial would not operate
Removed the screws holding the inside panel. of door. Then, removed panel, took out 3 bolts holding the timer in place..Removed wires from timer, plugged wires into new timer, installed timer with 3 bolts, replaced inside panel, to finish the job..easy..Saved alot of money not having to buy a new dishwasher...
Parts Used:
Dishwasher Timer
  • Edwin from Seguin, TX
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers, Socket set
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We had to replace the soap dispenser door because it wouldn't open during the wash cycle.
Open the soap dispenser door. On the top right side, there is a round pin holder. Take a small brad or nail and knock the pin out from right to left. Hold the door in place and after the right side pin is out, carefully slide the door up and to the right in order to remove the pin and spring from the left side slot. Notice how the spring is inserted in the slot as it has to go back in exactly as it came out. (short end first. Long end last.)

Put the spring on the left side pin and reinsert the door into place and then tap in he right side pin.

You're done but you won't know that until you run the dishwasher and if the dispenser door is open
at the end of the wash cycle, you did good. If not you have to reinsert the spring properly or buy a new spring if you've damaged the old one.

Good luck.,

RBM
Parts Used:
Detergent Cup Lid
  • Robert from Hamlet, NC
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers
5 of 6 people found this instruction helpful.
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The pins on the soap dispenser somehow became disengaged and lost in a wash cycle.
It was difficult to use the guide provided online to determine what position to place the spring in. Finally I realized that the spring had to be placed with the tip that sticks out against the wall of the dishwasher to make the spring action work. The long and short pins were not a problem. How to place the spring was the main problem, but I finally figured it out. I did not need any special tools to accomplish this. I just used a kitchen knife to push the short pin into place.
Parts Used:
Short Dispenser Door Retaining Pin Hinge Pin Detergent Cup Lid Spring
  • Coralie from Centennial, CO
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    15 - 30 mins
6 of 9 people found this instruction helpful.
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Leak underneath the main pump area
I unscrewed the parts of the washing tower, then removed the housing and filters above the impeller. Lastly I removed and replaced the impeller and "o" ring. This repair went fine. Unfortunately another part (blower) let go and I decided not invest any more time or money into this machine since it was so old.
Parts Used:
Wash Impeller
  • John from Yonkers, NY
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Pliers, Screw drivers
5 of 6 people found this instruction helpful.
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scratched up and dented front panel on dishwasher
We are planning on selling our home and trying to spruce it up a little. We have an old dishwasher - probably 18 years old and it works just fine but the front panel was banged up and scratched. We were actually planning to buy a new dishwasher because it looked so bad until I found out you could order a replacement for the front panel. It was a great and less expensive alternative to buying a new dishwasher. Easy to order and the part got to me in just a few days. Thanks very much.
Parts Used:
Front Door Panel Insert
  • Patricia from Baltimore, MD
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
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Close door, turn on dishwasher, walk away. 5 to 10 min later dishwasher not running. Push in at the door latch and dishwasher would start back up.
Removed the inner door panel-Removed the black cowling covering the timer and wires.
Removed the swicth assembly and installed new part.
Reassembled dishwasher.

I checked the operation of the two switches. One switch did not click, when button was pushed, as cleanly as the other. There was a bit of delay and play in the button when depressed, even sticking a bit.
Parts Used:
Door Switches and Holder Assembly
  • Allan from East Bernard, TX
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
5 of 6 people found this instruction helpful.
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wheel axle broke on one of the 4 wheels that supports the top rack
I followed the directions in the dishwasher manual how to remove the top rack of the dishwasher, basically removing the stops on each side, and I set the rack on the counter. I replaced both sides even though one had not yet broken. To replace the part, 5 screws had to be removed; I used an allen wrench. The replacement location of the part was pretty obvious once the screws were removed. The inside of the plastic piece that was opened in the process of removing the defective part was dirty so I took some time to clean that out before attaching the new part. The actual unscrewing and attaching the new part probably took 10 or 15 minutes per side. It took a few tries to get the height adjusting lever to move freely before I tightened the screws. The rack works great now.
Parts Used:
Tub Wheel - NOT a Rack Wheel
  • Helen from Camas, WA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
6 of 9 people found this instruction helpful.
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Detergent cup was leaking and the detergent just dripped down the side of the door.
Took out the pins that hold the detergent cup on, beginning with the side without the spring. Make sure you check how the side with the spring is installed before you take it out. If it's not done right when you put the new one on the lid won't spring open. Then installed the new detergent cup lid. Easy as pie and it would have cost $50 to just have someone come out to look at it and this cost $12. Can't beat that!
Parts Used:
Detergent Cup Lid
  • Susan from Sidney, OH
  • Difficulty Level:
    Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Pliers
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Unit had shaft seal leak.
After shutting off power and water to the unit, I disconnected the water supply line using a Crescent wrench and a pair of channellock pliers to support the solenoid.
I then disconnected the power at the junction box and the drain and circulate lines and clamps.
Then unlatched the retaining ring under the unit and lifted the pump assembly out.
Using the detail drawing from the web site I disassembled the pump assembly and laid out the parts in order of removal.
I then reassembled the pump assembly in reverse order replacing the worn parts with the new parts purchased from PartSelect.
I then reassembled the unit in reverse order checking for leaks as I went along.
The part worked great and my friend's dishwasher works beautifully.
Parts Used:
Drain Hose O-Ring Seal Drain Impeller Seal Ring Motor Shaft Seal O-RING Hose Clamp
  • Jay from Victoria, TX
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Nutdriver, Pliers, Screw drivers, Socket set
6 of 9 people found this instruction helpful.
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Soap Dispenser Door Would Not Open
First, I searched the repair help on this site to see what others did to repair their diswashers, and it looked easy, so I just followed the same instructions. First, I used a hex star key wrench to remove the screws that hold in the interior door cover. I disconnected the leads to the defective wax motor, reconnected the leads to the new motor and screwed the door back together. It took 15-20 minutes and was a piece of cake! My first appliance repair, and as a single woman and first-time homeowner, I was really impressed with this site! It gave me confidence to tackle more home repairs instead of calling for service and getting raked over the coals.
Parts Used:
Wax Motor for Detergent Cup Actuation
  • Valerie from Des Plaines, IL
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
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Wax Motor Out
First unplug the unit. Open door. Take a special tool to remove all the screws (star shaped) around the edge of the door, and remove plastic panel where motor for detergent cup sits. Remove wires (two) from the motor. Remove wax motor by unsnapping motor from its cradle--comes out by moving the fingers holding it in. Push new motor into position, being sure the round pin sticking out at the end (on the left side) so that it sits in the groove made for it. Replace panel and screws, plug power cable back into its box. Close detergent cup door, turm on dishwasher, run through cycle, open door and check to see if detergent door opened up. If it did, then fill with dishes and wash.
Parts Used:
Wax Motor for Detergent Cup Actuation
  • Ronald from Pomona, CA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
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The lower wash spray arm no longer rotated.
I used the parts blowup diagram on PartSelect.com and dissasembled the bottom wash assembly. Carefully examining how the washer arm rotated, I determined that the spray arm support nut had broken. The extended top of it has broken off. This nut, when tightened, allows the spray arm to rotate freely. In trying to diagnose the problem, I had even removed the motor assembly at the very bottom. When I reassembled it, I apparently did not seat the gasket well and did not tighten the bolts well, so when I tested the washer, water leaked out the bottom. So, I had to dissasemble it all again and properly torque the bolts. So, I really created another problem during the diagnosis.
Parts Used:
Spray Arm Support Nut
  • Stephen from Hamden, CT
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Nutdriver, Screw drivers
4 of 4 people found this instruction helpful.
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All Instructions for the DWU7400BBX
76 - 90 of 613