Models > WU400

WU400 Maytag Dishwasher - Overview

Sections of the WU400

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Screw, 8/18 x 3/8 – Part Number: WP90767
Screw, 8/18 x 3/8
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(2)
PartSelect #: PS11746840
Manufacturer #: WP90767
This screw is sold individually.
$5.42
  In Stock
Hose Clamp – Part Number: WP596669
Hose Clamp
★★★★★
★★★★★
(1)
PartSelect #: PS11743008
Manufacturer #: WP596669
This hose clamp is used in a wide variety of household appliances. Most often it is found in washers, dishwashers, refrigerators, freezers, dehumidifiers, garbage disposals, or air conditioners. This ...
$11.80
  In Stock
Screw – Part Number: W11233072
Screw
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(6)
PartSelect #: PS12349731
Manufacturer #: W11233072
This is a multi-use and multi-appliance screw. It can be used on a microwave, refrigerator, range/oven, air conditioner, dehumidifier, washer, or dryer. The measurements of this screw are 8 x 1/2 inch...
$20.79
  In Stock
Screw – Part Number: WP179051
Screw
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(5)
PartSelect #: PS11738704
Manufacturer #: WP179051
Sold individually. Lock washers are used with screws when vibration from an appliance may cause the screw to loosen. Lock washers are also used in the electrical components of an appliance to ensure ...
$8.04
  Special Order
Hose Clamp – Part Number: WP285655
Hose Clamp
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(2)
PartSelect #: PS11740613
Manufacturer #: WP285655
The hose clamp is used to hold the water hose in place which will prevent the hose from leaking water. Sometimes the clamp may lose its ability to latch on, causing a leaking washer. For the installat...
$11.10
  In Stock
Inlet Hose Washer – Part Number: WPY013783
Inlet Hose Washer
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(1)
PartSelect #: PS11757437
Manufacturer #: WPY013783
This inlet hose washer, also known as a high pressure inlet hose washer, is used in washing machines, refrigerators, freezers, and dishwashers. The function of this part is to create a watertight seal...
$8.00
  In Stock
Screw, 8-18 x 1/2 – Part Number: WP3390631
Screw, 8-18 x 1/2
PartSelect #: PS11741443
Manufacturer #: WP3390631
This screw is sold individually.
$7.84
  In Stock
Screw – Part Number: WP1163839
Screw
PartSelect #: PS11738342
Manufacturer #: WP1163839
10 - 16 x .375
$5.36
  Special Order
O-Ring Seal – Part Number: WP910934
O-Ring Seal
PartSelect #: PS11746845
Manufacturer #: WP910934
This o-ring seal is well under an inch in diameter. It is all black in color and it is made entirely of rubber.
$5.36
  In Stock
Stand Mixer Screw – Part Number: WP4159193
Stand Mixer Screw
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(1)
PartSelect #: PS11742292
Manufacturer #: WP4159193
This screw is sold individually.
$8.63
  In Stock
Hex Nut – Part Number: WP112432
Hex Nut
PartSelect #: PS11738304
Manufacturer #: WP112432
This 10-32-inch hex nut works with multiple appliances in your home as a fastener. This specific model is sold individually. Hex nuts usually have 6 even sides and together they are used with bolts an...
$8.04
  In Stock
Hose Clamp – Part Number: WP616099
Hose Clamp
PartSelect #: PS11743289
Manufacturer #: WP616099
Note: This part has been updated by the manufacturer. It may appear different but will still function the same as the original. The hose clamp is about 2 inches in diameter and made of stainless steel...
$9.81
  On Order

Questions And Answers for WU400

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Common Symptoms of the WU400

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Leaking
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Not cleaning dishes properly
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Noisy
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Will not dispense detergent
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Detergent Cup would not open during wash cycle
This repair is very simple. Partselect.com sells a repair kit for this problem that you can use but for simplicity the entire unit is not that much more. First remove the four outside lower philips head screws on the inside of your dishwasher door. Support outer door panel while removing screws. This will remove the outer door panel to gain access to the detergent cup. Remove panel by pulling out bottom first then slightly pulling downward. You will then see the detergent cup. Unplug the two leads that are connected to the unit keeping in mind their orientation. Remove the five screws that hold the detergent cup in place. Remove the cup assembly and gasket. Clean gasket area and install new cup and gasket. Reinstall five screws (do not overtighten) and plug leads back in. To reinstall door panel position door panel at a slight angle and install top first sliding upward into place under control panel then push inward at bottom. Reinstall the four philips head screws on the inside and you are finished. The complete repair will take you less than 30 minutes.
Parts Used:
Detergent Cup with Gasket
  • Robert from Taylor, MI
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers
17 of 17 people found this instruction helpful.
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badly damaged gasket
the coupling for the water hookup for my rollaway dishwasher was very badly damaged. After looking everywhere including authorized dealer and repair places, on-line at the manufactures parts website, I finally broke down and ordered the entire hose assembly. When it arrived, I simply used a toothpick to carefully remove the new gasket from the new part and put in the the old one. It took about 30 seconds and works perfectly. I paid 60 bucks for a tiny little washer, but I have an extra hose assembly if something should go wrong in the future.
Parts Used:
Fill/Drain Hose Assembly
  • John from Lomax, IL
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
16 of 18 people found this instruction helpful.
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missing screws for oven door
After searching on the internet for a very long time, we were almost ready to order the screws "blind" (no picture) from Sears for almost $10.oo per screw. Then I stumbled onto this website and found exactly what I was looking for, with a detailed description AND a picture!! Not to mention a price that was two thirds less than Sears..for TWO screws. Now the oven door is secure and we are no longer on our search for the right screws.
Parts Used:
Screw
  • donna from baltimore, MD
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
13 of 15 people found this instruction helpful.
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