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WU804 Maytag Dishwasher - Instructions

All Instructions for the WU804
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Loud grinding noise on rinse cycle, water not draining
Turned off the circuit breaker. Removed the two lower panels below the door. Removed the two racks from inside the tub. Removed the lower rinse arm, then unscrewed and removed in stages as much of the washer components from the inside bottom of the tub. Last item was the unit that screws into the base of the tub, was loose but would not come out, then I realized I needed to disconnect the water lines from underneath the tub. Then I was able to lift the pump/motor assembly out from inside the tub. Disassembled that until I reached the wash impeller, and saw that the shaft was no longer rectangular, but rounded out and spinning freely which was why the water was not being pumped out. Also found a small flip top from a can, no idea how that got down there, but that was what was making the loud scraping noise as the was impeller tried to spin. Reassembled everything and unit now works fine (and much quieter!) Never had to take the dishwasher out from under the cabinet and if I had to do this again it would only take 30 - 40 minutes - live and learn!
Parts Used:
Wash Impeller Gasket Kit
  • Mike from Seaford, NY
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Nutdriver, Socket set
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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
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The SE1000 dryer stop working.
The SE1000 (washer/dryer combo) dryer stop working and I checked the error code: 8E, which indicated a motor/relay circuit problem. I replaced the relay but I still have the problem. I'll have to check the motor but I think it's not available anymore. The belt is OK. The unit is 25 years old so it doesn't owe me anything.
The washer still works.
Parts Used:
Motor Relay
  • Gerard from East Hampton, NY
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Socket set
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water coming out of door bottom
Pull old gasket off (30 seconds), take panel screws out of front panel and control panel, carefully lower control panel push tabs thru holes from inside door, once all tabs in, push door closed and take pliers and pull tabs until they lock into place, put panel back together. not that difficult, my wife and I had it back in working order in approx 30min.
Parts Used:
Door Gasket - gray
  • Danny from Barboursville, WV
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Pliers, Screw drivers
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Both Rt. door springs snapted
On my maytag portable dishwasher I had to remove three side screws on right lower panel,and two lower screws to free up panel. I had to pry the panel away from the body to get axes to the springs. Replaced springs as instructed reinstalled all hardware, finished.
Parts Used:
Door Spring Kit
  • robert from bellerose, NY
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers, Screw drivers, Socket set
4 of 4 people found this instruction helpful.
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DIshes not getting clean. Cover of detergent cup sticking half way.
After nearly 20 years of use (and no service) my Maytag dishwasher stopped getting dishes clean. I called Maytag and they made me an appointment with a nearby service center. The Maytag person also suggested I do a run with an open container in the dishwasher filled with a couple of cups of white vinegar – since that dissolves the white scale buildup from hard water. That helped a lot. Yay Maytag!

I had 5 days to wait for service, so I started Googling. I found very negative reviews of my local service center, but I also learned that I could buy a replacement detergent dispenser online and I found excellent simple instructions for installing it. It arrived in two days and I installed it. The hardest part was removing the front panel of the dishwasher to get access and supporting it while taking out the last couple of screws – then holding it in place afterwards while putting the screws back in. I recommend having a second pair of hands!

I also realized that the two rotating spray arms (at the bottom and at the top) weren’t rotating! They’re easy to remove (just unscrew the center component), and I found that many of the holes were clogged – including all the ones pointing sideways that make them spin. I had to force water inwards through the holes to dislodge the debris, then I filled the arms with water through the center hole and sloshed it around to clear things out. That worked. I put it back together – and the dishwasher is now as good as new!

For good measure I took the cover off the strainer in the bottom to clean it, but surprisingly the strainer was almost completely clean.

I cancelled the service appointment, of course. I’m sure I saved a lot of $$$.

I had read that recently mandated reformulation of dishwasher detergent with lower phosphate content makes it less effective – but I’m not seeing that: a little simple maintenance and my dishes are 100% squeaky clean again!
Parts Used:
Detergent Cup with Gasket
  • Paul from Summit, NJ
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers, Socket set
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Door spring broken
Put spring in plastic bushing, snapped into door arm and hooked opposite end of spring in first hole. Repeated process on opposite side of door. Did the above without moving the dishwasher from installed position.
Parts Used:
Door Spring Kit
  • Wayne from Fort Collins, CO
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers, 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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Original gasket was worn away
I opened the door and pulled the old gasket out using a flathead screwdriver to pry up the difficult to remove areas. I cleaned the area with a damp cloth and place the new gasket in the slots. The entire process including the cleaning took no more than 10 minutes. It was so easy. By the way, I had the part in my hands 2 days after ordering it. I am very impressed with the service.
Parts Used:
Door Gasket - gray
  • Donna from Branchville, NJ
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
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broken spring
had to pull the unit out abour 6" and simly replaced the springs - it was easy
Parts Used:
Door Spring Kit Door Spring Kit
  • mike from wallingford, PA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers, Wrench set
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would not wash or pump water out. Made noise like a bearing was out on motor. Went to dealer and was told that the motor and pump assy was not available because the washer was too old (18 years) and if a part was found it would cost $205. He wanted to sell me a new washer for $215. I went home
Removed the 6 screws holding the pump and motor assy. Disconnected the two hoses and wiring connector. Removed the motor and pump, removed the pump parts to get down to the impeller. Removed the old impeller (one screw) and installed the new impeller. Put every thing back together and it worked fine. Every one is happy!
Parts Used:
Wash Impeller
  • Keith from Bloomington, MN
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers
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Door gasket cracked
Removed the front of the door by removing 2 screws in each side.

Remove 2 screws on each side holding control panel

Removed old gasket by pulling it out, and installed new gasket. Used needlenose pliers to pull tabs securely into slots.
Parts Used:
Door Gasket - gray
  • Reavis from Asheville, NC
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Pliers, Screw drivers
3 of 3 people found this instruction helpful.
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The Upper Spray Arm Retaining Nut Stipped
The Retaining Nut of my Upper Spray Arm fell off and was stripped. I was thinking I was going to have to get a new dishwasher because mine is pretty old. I found Partselect.com and plugged in my model number and it gave me all the parts. It cost me less than $10 with shipping and it saved me about $450.
Parts Used:
Upper Spray Arm Retaining Nut
  • Jason from Arlington, TX
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
4 of 6 people found this instruction helpful.
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thunder storm blew out transformer
after changed transformer circut doard starting smoking may call a repairman.
Parts Used:
Transformer
  • karl from Fair Haven, MI
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers, Socket set
3 of 3 people found this instruction helpful.
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food was pluging the sprayer holes
took the cover off and replaced the filter. It works great now.
Parts Used:
WASHER Pump Housing Filter
  • marquis from wolcott, VT
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
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All Instructions for the WU804
16 - 30 of 92