Im not getting any water - Maytag 24 in. MDB4000 Built-in Dishwasher

Is IM getting water? If not, most likely replacing water valve will fix it. If it is getting water and there's ice in it, but not dumping ice, replace IM. Also unit must maintain temp cold enough for IM to work. Freezer temp should be around 0F

im not sure of your exact question here , im guessing here but are u saying the water wont fill the water heater when supply valve is on , if im right and this is ur question , then try opening a hot water tap somewhere else in house the air that is trapped should be expelled from open tap safely into sink there and heater should fill

be mindfull to not add power/gas till your sure the water heater has filled this would cause failure of your heat supply device

you could still have a bad water valve. there are 2 ports. i usually jump the ice maker thru a cycle and see if you get 110 volts to the ice maker water valve. if you get a reading the water valve is bad. if there is no reading then the IM head is bad. last and not least, the IM head needs to be pulled down, see if there is a build up of ice in the supply tube to the IM. then you have a problem with the board

3 steps: #1, check the fill tube for ice blockage,If not blocked- #2, verify there is power applied to the water valve when the IM cycles. #3 If yes replace the valve, If no replace switch in IM(complete faceplate in some models). Limited possibilities so elimination of what is working will locate the failure.
Eric

First we have to determine if the problem is a faulty water valve. Reason: faulty water valve can continue to supply water even after the IM or door dispenser is finished calling for water causing a drip feed freeze up problem, or water overflow condition in the ice maker (IM). Another common cause is unrelated, but caused by a blocked drain line often resulting in thick ice build up on the bottom of the freezer, water dripping onto the floor, or water dripping into the refrigerator (top freezer mount models only) and freezing near the lights or damper ducts after defrost. Fix for this problem is to remove evap panel and clear freezer drain line with hot water or compressed air. If this is not the case, and water is dripping out of IM supply line, remove IM H20 supply line from IM at back of appliance and see if the water seems to drip out, if so, replace the water valve. If water doesn't drip out at all, replace IM, or IM module depending on the model of refrigerator that you have as contacts in the IM are also responsible for calling for H20 supply. You will have no more problems after this.

Pour some water into the IM. If it kicks out a batch then replace the water valve. If it don't then get a refund. The IM is it's own master. It has a thermostat to determine when to initiate harvest and it is the one that calls for water. If your freezer maintains 28 degrees F and the water valve, water filter (if applicable) and ice maker are all ok then you should have ice.

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These engines are identified as an interference engine and on no account must the crank shaft and cam shaft be moved with the timing belt removed. You no not need to remove the water pump. You need to remove the water pump pulley only (not the water pump). I trust this helps.

Regards

Ray

Mark, your water valve has screwed the pooch. Replace it. The part number is 2199838.

What's happening is this... the valve that fills your ice maker is by-passing a small amount of water. This water has to flow through that tube, right? When very small amounts (drop by drop) go through the IM fill tube, they flash freeze. Eventually they (the frozen drops of water) form a big block of ice inside the fill tube. This ice creates a blockage which creates back-pressure whenever the IM "calls" for water. The back pressure eventually blows the tube off of the connection behind the fridge.

You say that this happened over night... no way. If you look closely at the ice cubes that you IM has been making, you'll see that they are hollow. Hollow cubes means that your IM isn't getting enough water... (because the fill tube is blocked).

Tracy

The fill tube could be frozen. Gently use a hairdryer. If not you have to check the fill valve coil in the back to see if it's getting power. If it is replace the valve. if not check wiring connections etc. If there's no power out of the Im to the valve, replace the IM
Problems with water are most common tho. Please rate this

Replace the module on the ice maker. Its the front square part on the IM remove the cover and you will see it. Always unplug before messing with electricity. If the IM is old replace the unit. The module could cost upto $75 or more. If you wwasn't getting good water flow you would replace the water valve.