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WU804 Maytag Dishwasher - Instructions

All Instructions for the WU804
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water wouldnt pump / making grinding noise
i removed the bottom spindle inside of the washer compartment. laid the pieces out in order of which they were removed. found the impeller was busted where it attaches to the shaft of the motor. screw was missing but found it laying in the bottom (there is a screen that filters the water as it drains). replaced impeller and put parts back together in order. good as new.
Parts Used:
Wash Impeller
  • Matthew from maple shade, NJ
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers
3 of 4 people found this instruction helpful.
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On Thanksgiving weekend my poor 23 -year -old Maytag dishwasher started making a horrible grinding noise and wasn't cleaning anything. I washed more dishes by hand in 4 days than I have in the past 4 years.
My husband does all the repair work himself so he tore it all apart but it's hard to find parts for a 23 year old machine. A store about an hour from our house said they had the part. When we got there it was the wrong impeller and it was going to be $30 to order it in. I got home on that Weds. nite ordered it and had the part 2 days later on that Friday.My husband had the part in and the dishwasher running within 20 minutes. Thrilled with the fast service from you and my husband :)
Parts Used:
Wash Impeller
  • Diane from Sumner, IA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver
3 of 4 people found this instruction helpful.
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The door got heavy upon lowering, spring was stretched.
Unscrewed the diswasher from the counter, pulled it out to access the right main door spring and took out the old spring.I installed the plastic washer then slipped the spring throught it and pulled the spring donw with the needle nose vicegrips and inserted the bottom of the spring into the lower hole. I pushed the dishwasher back andrefastened it to the counter.
Parts Used:
Door Spring Kit
  • Dennis from Benicia, CA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Nutdriver
3 of 4 people found this instruction helpful.
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Dishwasher would not fill with water
Remove the lower panel by taking out the 2 screws on top and 2 at the bottom of the panel. To diagnose the problem, verify that there is water supplied from the valve under the sink to the water supply valve under the DW. This can be done by turning off the valve under the sink, disconnecting the copper supply line under the DW then turning on the valve under the sink to see if water passes through the line.

The float switch is located on the left front (as you face the DW). This is activated by the float in the tub. Check to be certain that the float is not restricted. The contact point on the switch is a spring loaded plunger. It should depress as the float rises and pop back out as the float returns to its low point.

Turn off the circuit breaker for the DW. To remove the switch, pull off the two electric leads from the switch. Mark the top lead with a piece of tape. Then remove the one philips screw. Replace the switch by reversing the procedure. Note that you have aligned the float contact point with the float.
Parts Used:
Float Switch
  • Clifford from Palm Harbor, FL
  • Difficulty Level:
    Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Nutdriver, Screw drivers
11 of 28 people found this instruction helpful.
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No water would enter in dishwasher
Removed covers on the bottom of dishwasher so I could get access to area. Measured no voltage on water inlet pump. removed to wires from foat switch, one screw to remove float switch. When I pressed the float switch button to activate the switch would not move. Ordered and replaced the switch. 30 minutes tops
Parts Used:
Float Switch
  • Rick from Laingsburg, MI
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
5 of 10 people found this instruction helpful.
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our dishwasher needed a motor shaft seal
I recieved a different part than was in the picture and description that I ordered, and was billed twice for it. I wasn't able to fix my dishwasher
Parts Used:
Motor Shaft Seal
  • Carrie from Platteville, CO
  • Difficulty Level:
    Very Difficult
  • Total Repair Time:
    Less than 15 mins
4 of 7 people found this instruction helpful.
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spring was deformed and did not hold the door
I removed four screws and thus the front plate at the bottom of the dishwasher. I then removed the old spring, using a long nose pliers and, still using the pliers, replaced it with the new one. The enclosed instructions were helpful as was the previous letter written by someone with the same problem. I then replaced the bottom plate and the door worked as it should. Thanks for once again having the part I needed.
Parts Used:
Door Spring Kit
  • James J from Wolftown, VA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Pliers, Socket set
3 of 4 people found this instruction helpful.
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dish cover not rotating to release second pocket of detergent
followed the scematic on the wesbite that i used to i.d. the repair part needed. removed the front door outside cover (8 screws) removed the bi-metal switch (2 screws), did not need to replace the door latch or spring. replaced the switch and the front door cover and ran the dishwasher to test the new switch. worked fine and has been working fine.
Parts Used:
Detergent Cup Repair Kit
  • george from cardiff, MD
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
3 of 5 people found this instruction helpful.
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Flange was broken in several places
I removed the old flange pieces before ordering the new one, then repositioned the washer after attaching the new one to the washer top. I then attached the flange to the counter top resulting in a more stable appliance. It was simple to remove the screws and install the new flange.
Parts Used:
Top Flange with Screws - Black
  • James from Marietta, GA
  • 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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Door no longer closed tight enough to prevent water leaking.
Ours is a portable with butcher top. Three screws under the front edge allow the top to be slid forward and off. Then it is obvious which screws release the old flange.

The latch hook needs to be separated from the metal strip and inserted into the front of the flange through the slot, then secured back onto the metal strip.

Don't tighten it too much until you get the thing back together. Then adjust it so the door closes tightly and make it tight. If that machine screw works loose it allows the latch to move sideways which will widen the slot--not good.

It should be checked for tightness every year unless you want to replace that plastic part again. It should have been made of metal to begin with. I'm surprised Maytag would use plastic in such a part.

Not a difficult repair unless you are a total klutz with a screwdriver.
Parts Used:
Top Flange with Screws - Black
  • Rod from Whitefish, MT
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers
2 of 2 people found this instruction helpful.
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Detergent cup opens only half way.
First, let me say that the parts arrived really fast,--thnaks for the great service!

First I removed the screws inside the door edges. This releases the front door panels allowing access to the detergent cup parts. Then I removed the old cam return spring, the old cam (and the old spring underneath the cam) and the old bi-metal switch. The instructions were pretty clear on how to install the new style return spring and new cam. Then I installed the new bi-metal switch.

Really, the hardest part of the whole repair is getting the door panels back in the proper place so that the screw holes are aligned. That probably took longer than the rest of the repair job.

The new parts have the detergent cup working like new again. Very satisfying repair!
Parts Used:
Detergent Cup Repair Kit
  • Greg from Willoughby Hills, OH
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers
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detergent cup would not always open during wash cycle
first I removed the 4 screws that hold the bottom part of the door cover and then removed the 6 bolts
with a power screw driver with nut attachment.I then reomved the 2 wires which are color coded and noted which one went where.I removed the old unit and installed the gasget and new detergengent cup,the wires,bolts and door screws.You do not have to remove the screws to the top part of the door.The screws are located inside the door on each side. Took about 20 minutes.
Parts Used:
Detergent Cup with Gasket
  • Michael from Sacramento, CA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers
2 of 2 people found this instruction helpful.
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detergent dispenser not opening
Just as everybody explained, 4 screws for the door panel, 6 screws for the dispenser, out and in, 15 minutes!!! There are plenty of screws on the door but, once i knew i was looking for 4 screws, it was a cinch!!! Thanks for that tip. All my appliances are the same age so i 'll be back to this site again!!
Parts Used:
Detergent Cup with Gasket
  • George from Norwood, MA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers
2 of 2 people found this instruction helpful.
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Dishwasher would not dispense second load of detergent.
Since the bimetal repair kit was not available, I bought the complete detergent cup, gasket, and bimetal switch assembly set. This was still far cheaper than paying for a professional repair. All I had to do after shutting off the power is to remove screws to open up the door (door trim/6 screws & 6 screws on the inner side of door edges to remove outer wall of door). The detergent cup assembly is right there for easy access! I unplugged the 2 electric wire plugs to the bimetal switch (paying attention to which plug goes where for when I reassemble), removed the 6 screws that mount the cup assembly, removed assembly and gasket, cleaned the surfaces, and reassembled with the new assembly. Very, very easy to do and everything works like a charm!
Parts Used:
Detergent Cup with Gasket
  • Richard from Warner, NH
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers
2 of 2 people found this instruction helpful.
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Wouldn't come clean.
New pump housing filter was needed as the old one was plugged and distorted.

I
Parts Used:
Pump Housing Filter
  • Keith from Beaver Dam, WI
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Nutdriver
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All Instructions for the WU804
31 - 45 of 92