MDB7100AWW Maytag Dishwasher - Instructions

Most difficult was figuring out how to release the top rack...just flip the end pieces to the side and out they come. Next was removing and reinserting the spray head in the bottom rack...just twist and take out then align and twist into place in the new rack.

My original order was for the "Motor Gasket" in the bottom of the tub that just looked nasty. Not leaking. Replacing that was a little more complicated, but used another customer's recommendations and worked great. Ran an empty load to check for leaks and thats when we discovered that we had a leak on the side of the darn thing. So we ordered the "Injector Seal Ring. Got it in about 5 days and after installing, (2 seconds), we still had a leak! Soooo, ordered the "Water Inlet Injector". 5 days later, we have NO MORE LEAKS!!! I would STRONGLY suggest that anyone who has a leak at the Water Inlet, order a new Injector right along with the Seal Ring. The shipping and handling was WAY more than the price of the parts. I'm happy to say that my 10 year old dishwasher is running like a champ. Thank You.

Removed old door gasket and water deflectors and replaced with new. Got the gasket in backwards at first. Removed and rotated 180 degrees and it went in properly. (Used tech video provided by parts select to help me.)

Though the old gasket was definitely bad, water still leaked after replacement.

Key issue ...... over time, contamination has accumulated in the water shutoff lever assembly and also on the shutoff microswitch underneath the internal water float, making both sticky and non-responsive to water level. Water had been overfilling. (probably defaulting to a maximum number of seconds to fill). ALSO - original installation was not totally level, with back of tub higher than the front.

Leveled tub. Removed mocroswitch and lever and cleaned both of sticky grease.

No more leakage.. basic problem was actually overfilling, allowing water to surge into the lower internal door vent upon pump startup.

Ron
Mount Airy, MD

Figured out that the only thing that could be causing this was a bad inlet valve. Repair was really easy. Didn't even have to pull machine out from under cabinet. First removed kick plate. Then placed towel under the old valve. Undid the power connections and water lines (in and out). removed the to screws holding the valve to the body of the washer. With the valve free, removed the brass elbow and installed it on the new valve. Reinstalled the valve and all connections. Works like a charm.

Simply remove the washer nut,then pull the float assembly. As far the lever,just unscrew the screw and replace the actuator lever. What was great about everything I was able to go to the presented diagram. This allowed me to find the exact parts I needed. Of course make sure you have the model number.

Took the replacment rack out of the box and found that it was the proper one. Had to rotate out the water director tower from the orignal rack and install it in new rack which took a few seconds to figure out . it was time to discard the ailing rack! Apparently the dish soap can attack the rack materia if there is any metal exposed and rot it out like rust so when this happens time for a new one. Otherwise there are no pins to support the bowls and plates in the lower section.

I first removed the washer arm. Be careful because it is screwed on with the large center plastic piece with right hand thread. That allowed me to take the arm and disc off.

Next I took 6 screws loose with the allen wrench. This allowed me to get to the filter ring. I removed it and that allowed me to get to the three screws holding the discharge. I used a 5/16th socket to remove them.

A plastic disc that was part of the upper pump came loose and caused the noise. I replaced the upper discharge housing (with upper pump as part of it) and upper discharge housing gasket and reversed the order to reassemble.

The exploded diagram was a terrific help

Our dishwasher got to the point where it would not complete a wash cycle. I found that by jiggling the door latch, the dishwasher would whir back to life. For awhile, if I put a clothespin on the door latch, somehow enough pressure would be put on the switch to keep the dishwasher going. Finally, the dishwasher refused to cooperate...so I ordered a replacement switch.

The repair was easy. I only had to remove the interior door panel, unscrew the metal bar at the top of the door and underneath the door panel, then remove the black plastic shield. After that, it was just a matter of wiggling the old switch out and wiggling the new switch.

CAUTION: Be very sure that the power to the dishwasher is turned off. I got a scare because I thought the circuit breaker was off, but I had flipped the wrong one and suddenly, with my fingers very close to the bare connectors, the dishwasher came back to life briefly. I ran downstairs and found the correct circuit breaker and all was fine after that.

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 !!!!!!!!!!!!!!!!

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.

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!

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!

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.

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!

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.