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MDB4100AWX Maytag Dishwasher - Instructions

All Instructions for the MDB4100AWX
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Water leak from Bottom of Float Assembly
Remove the Palnut Screw from bottom of Float assembly using pliers, Remove Pivot pin from Actuator lever w/ screw driver. Replace the Float , install new palnut Screw and re-install pivot pin on actuator lever.

That's it !!!!!!!!!!!!!!!!
Parts Used:
Actuator Lever Pivot Pin Float Assembly Actuator Lever Float Palnut
  • Michael from Cheshire, CT
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Pliers, Screw drivers
8 of 11 people found this instruction helpful.
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I accientally busted the old rinse arm, while I was trying to put in the filterguard with bottom spray arm jet
I took the bottom rack out of the dishwasher. I then took the filter guard and bottom spray arm out. Then I took the screws out of the filter guard to get to the rinse arm. I took the filter guard off, took the old rinse arm out and put in the new one. Have to make sure it is completely resting inside there. Then I put the filter guard back on. Put the screws back into the filter guard, put the two arm seals down around the rinse arm, put the bottom arm spray with guard back into the notches, put the screw top on so it can screw back in and the dishwasher is ready to go. Just make sure that you don't have a lot of soap built up, it will not clean the dishes right nor will the spray arms move. I had to call my appliance person out, and I have so much built up from soap, that I had to order a new filter guard and top and bottom spray jets. I now know to switch back to powder or liquid soap, because the tablets make a huge built up of soap... I have these parts on order now. In the meantime, I am cleaning out the jets with dishwasher magic and vinegar while I am waiting for my new parts. I now know how to put things back together so when I have this happen again I will know how to do it to save me the 63.00 office call and parts. I am happy that I know where to get my parts when I need them or break them by accident on trying to put my dishwasher back together again. Thanks.
Parts Used:
Rinse Arm
  • mary from sturgis, MI
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Socket set
7 of 8 people found this instruction helpful.
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Door Leaking, unit was filled with soap film
The repair was very involved, but from previous experience cleaning the dishwasher, it was worth not having to buy a new one. I removed all of the lower parts down to the motor shaft. That process is tricky, but if you do it methodically, and slowly, it is not too bad. The real problem wash the scum that was left behind by the soap used in the dishwasher. After removing all the parts, I ordered the parts I could not clean, and cleaned the parts I could. I figured out that the door was leaking because of the soap scum buildup on all the parts, causing the water level to raise faster than it could be pumped out. After I received the new parts, I simply put everything back together and it works better than ever now. I used the parts layout on your website to help in aiding me to put everything back correctly. I am very appreciative that I can get parts easily through your website, and not have to hire a "service technician" to come out and do the same thing, for the price of a new washer. Thanks!
Parts Used:
Upper Spray Arm Impeller Assembly O-RING Secondary Filter Plate Lower Spray Arm
  • Chris from Garden Plain, KS
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    More than 2 hours
  • Tools:
    Nutdriver, Pliers, Screw drivers
10 of 17 people found this instruction helpful.
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Dishes were not getting totally clean.
I did not move the dishwasher out. It is a fairly tight space underneath, but the water inlet valve is located toward the front, so it wasn't too bad. The steps were:

1) unplug the power and turn off the water to the dishwasher.
2) remove the 2 wire connectors.
3) use the nutdriver to remove the 2 screws that hold the valve to the side of the dishwasher.
4) use a wrench (5/8") to remove the nut where the water goes into the valve. This takes some patience since you can't turn the wrench very far in the tight space.
5) remove the water outlet hose by using pliers to squeeze together the clamp and move it up the hose. Then twist the valve to free the hose and remove it from the valve. The nibs on the clamp are small and take a little time to get them squeezed together. If the hose has been on there a long time, you will have to twist the valve a few times to free it up.
6) now you will have to remove the sleeve that the nut was screwed onto. I had to take the valve to my vise to hold it. Then it wasn't too hard to remove.
7) use teflon tape before you reassemble. Just go in the reverse order.
8) hope there isn't a leak. Mine didn't.

The new water inlet valve seems to have fixed the problem!
Parts Used:
Water Inlet Valve - 120V
  • Dennis from Liberty, MO
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Nutdriver, Pliers, Wrench set
7 of 8 people found this instruction helpful.
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Leaking lower inner door foam seal. Float leaking
Make sure dishwasher is powered off. Remove all inner door panel screws. Lift inner door panel upward and lean against the tub. Use a putty knife or spatula to lift old lower foam seal. Make sure door seal area is clean. Start at one end, butt new foam against the side of door and slowly pull glue strip backing while pressing foam down from left to right. Reverse door assembly.

Make sure dishwasher if off and door unlatched. Remove lower kick panel 4 screws and remove 1 screw securing float switch arm. Hold float stem with pliers and remove bottom stem nut. Remove float and re-install the new float with reverse procedure listed.
Super fast shipping on items!! Great service.
Parts Used:
Inner Door Foam Insulation Strip Float Assembly
  • Ronald from Seekonk, MA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Pliers, Screw drivers
8 of 11 people found this instruction helpful.
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water leaked through front vent
Peeled off the old foam strip, cleaned with rubbing alcohol, let dry completely, applied new foam strip,replaced door interior done I wish repairing relationships with fiance and kids were one tenth this easy.
Parts Used:
Inner Door Foam Insulation Strip
  • mark from ardmore, OK
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
7 of 9 people found this instruction helpful.
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Loud grinding noise when dishwasher was draining
1. Print out the "pump and motor" exploded diagram and label the numbered parts down to #11 (discharge housing assembly).

2. Unscrew the "lower spray arm cap" (#34) by hand (it just twists off), remove the "jump up nozzle" (#1), and lift the "lower spray arm" (#2) and filter guard" (#36) out together.

3. With a torx screw driver, remove the screws holding the "pump cover and secondary filter assembly" (#4), taking note how the assembly was positioned. Be careful not to lose the two plastic "lower spray arm seals".

4. Lift out the "pump housing filter" (#6) and "rinse arm assembly" (#7).

5. With a 5/16 wrench, remove the bolts holding the "discharge housing assembly" (#11). You will likely find a plastic disk just sitting there under the discharge housing assembly. This is the source of your problem. It is the lower plate that has worn loose from the rest of the assembly and the noise is from it being ground by the impeller below.

6. The simplest fix is to order a new "discharge housing assembly" along with gaskets #37 - O-ring (for "pump cover in step #3. Mine was missing.) and #38 - "upper discharge housing gasket. Three parts to order and save your exploded diagram for when you put it back together.

7. Remove the "discharge housing nut" at the top of the old discharge assembly, lift off the "wash arm support", and put both on the new discharge assembly.

8. Insert new seals where they belong and reassemble the dishwasher in reverse order.
Parts Used:
Discharge Pump Housing O-RING Upper Discharge Housing Gasket
  • Joann from Oakland, OR
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Socket set
6 of 6 people found this instruction helpful.
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Grinding noise/dishes not washing properly. Soap not dissolving.
Other parts used:
Discharge Housing Assembly (#11)
Impeller Assembly (Wash Impeller) (#14)
O-Ring (#37)
Upper Discharge Housing Gasket (#38)

Removed upper and lower washing baskets.

Pulled off Upper Spray Arm (#33). It pulls off easily by hand. No tools required. Replaced with new Upper Spray Arm (#33) and Snap Spray Retainer (#31).

Removed Large Spray Arm Cap(#34,)which has a right hand thread. This allowed me to take the Lower Spray Arm(#2)off.
Removed Filter Guard (#36).

Next I removed the 6 screws from the Pump Cover & Secondary Filter Assembly (#4) with a Torx screwdriver. Removed Lower Spray Arm Seal(#3), Pump House Filter (#6)(which I cleaned), Assembly, Rinse Arm (#7) Jump Up Nozzle (#1). Unscrewed Discharge Housing Nut(#8) by hand. Removed Support, Wash Arm (#9). This allowed me to remove the three screws holding the Discharge Housing Assembly(#11)with a 5/16th nut driver. Next I removed the Impeller Screw (#12) with a 5/16th nut driver. You must hold the Impeller Assembly (#14) firmly while loosening the nut. Removed Impeller Assembly (#12) and Plate, Suction (#15). Cleaned out area of debris,lint, etc. Put back old Plate, Suction (#15) and replaced Impeller Assembly (#14) with new part. Replaced Upper Housing Gasket and Discharge Housing Assembly with new parts. Put back all parts in the reverse order I removed them replacing the O-Ring (#37) with a new part. This O-Ring goes in the Pump Cover & Secondary Filter Assembly (#4).

After completely assembled it ran as good as new!
Parts Used:
Upper Spray Arm Lower Spray Arm Spray Arm Snap Retainer
  • Eric from Gualala, CA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers
7 of 9 people found this instruction helpful.
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Front door panel had scratches and dents from the wheelchair.
Front Door Panel was replaced by unscrewing 3 screws on each left and right side of the dishwasher.

The bottom screws did not need to be completely unscrewed, just losen it enough to be able to remove the panel out.

Replace it with the new panel and screw back in the screws.
Parts Used:
Front Door Panel Insert - black/white
  • Nga from Houston, TX
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
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Heard noise shorty after starting to run. Seemed to get worse at times in short time frame
Located circuit breaker for dishwasher and turned off breaker to secure power going to unit. Removed water spray bar arm inside dishwasher basin by unscrewing center nut and unclipping tabs against arm. Removed sheet metal access panels on bottom front of unit. Removed two individual plug in wires to temperature thermister. Removed 4 conductor plug wiring going to motor. Removed ground wire going to motor frame. Located plastic handle which cam locks motor / pump assembly into place. Pulled handle down gently to unlock from detent and turned clockwise to release pressure on assembly. Removed motor / pump assembly from dishwasher enclosure. Installed all new parts purchased as listed above utilizing parts breakdown aquired from PartSelect.com. Reinstalled motor / pump assembly in reverse order as listed above. Tested and ran unit with no problems. Thank You PartSelect.com, Robert.
Parts Used:
Discharge Pump Housing Motor/Pump Impeller and Seal Assembly O-RING Drain Cover Filter Support - White Suction Plate Pump Gasket O-RING
  • Robert from Tabernacle, NJ
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    More than 2 hours
  • Tools:
    Nutdriver, Screw drivers
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Rusty movable shelf racks
Since there are no nuts or anything else to remove on these racks, bending them into place is the only obvious way to go to fit them onto the existing racks. Taking out the old movable racks is the easy part - just take a pair of pliers and bend back the 'O' part of the movable rack where it goes over the pin on the big rack. To put on the replacement racks, I found that I had to bow the racks in the middle to make them fit. Simply pressuring them into place didn't have enough give. With a helper to hold the big rack steady, I could use 2 hand to bow and align the movable racks and snap them into place. You have to be careful not to bow to much or you could permanently bend the new parts. I broke one weld between the short pieces that go perpendicular to the long wires on the new rack by putting too much pressure on the long wires.
Parts Used:
Upper Rack Shelf Lower Rack Shelf
  • Peter from Andover, MA
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    15 - 30 mins
8 of 12 people found this instruction helpful.
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Neither the Soap or Wax dispensors worked for years and there was water leaking from the front of the machine.
Actual i missed diagnosed the leak and ordered a very expensive door gasket. The leak was coming from shrinage of the wax resevoire o rig and the tab seal for the soap dispensor. I missed the trees the forest got in the way. The leak was dripping alond the front panel well away from the main door seal.

I cleans a the plastic surfaces and noticed a lip around the opening for the reservoire and used 150 sandpaper to remove it. Replaced the O ring, tab seal and bothe selonoids and cleaned everything. Put it back together. Works find lasts along time
Parts Used:
Wax Motor for Detergent Cup Actuation
  • JOHN from PALM BAY, FL
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
6 of 6 people found this instruction helpful.
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the soap dispenser door broke off, I lost the pins and the spring.
The repair is fairly simple except that the diagram on the web site has an error - it reverses the positions of the long hinge pin and the short pin. I kept trying to do it as the diagram showed and of course it didn't work. Then I followed my instincts! The only other difficult part was figuring out which way to insert the spring but there are only a few options so trial and error was the simplest way.
Parts Used:
Short Dispenser Door Retaining Pin Hinge Pin Detergent Cup Lid Spring Detergent Cup Lid
  • Bonnie from South Orange, NJ
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    Less than 15 mins
9 of 15 people found this instruction helpful.
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Not washing properly. No water shooting through the jets
It takes about 5 min. to disassembled the lower jet system. As you disassemble, make sure you clean all the filters, and asses the integrity of the filters. If they are broken, you need to replace. Once you get to the impeller, you know it is broken because the lower part is loose. To replace you need to firmly hold the impeller as you unscrew the top screw. If the housing gasket is broken or too loose, replace. Otherwise you will have leak. Refer to your models diagram for proper assembly.
Parts Used:
Impeller Assembly Upper Discharge Housing Gasket
  • Manfredo from Palm Beach Gardens, FL
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers
6 of 6 people found this instruction helpful.
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The lower dishwasher rack was rusted out
We ordered the replacement part for our Maytag model and when it came we saw that it was different than the original part. The original part had 8 wheels with a higher left hand side. The replacement part had only 6 wheels and no higher side. The replacement part would not pull in and out evenly and was a bit too narrower. We called Parts Select and told them our problem and they are going to refund us in full and take back the part they sent. Alas we will have to buy a new dishwasher. We would use Part Select in the future for replacement parts.
Alice
Cambridge, MA
Parts Used:
Lower Dishrack with Wheels
  • Alice from Cambridge, MA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
6 of 7 people found this instruction helpful.
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All Instructions for the MDB4100AWX
91 - 105 of 806