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Customer Questions and Answers for Dispenser Assembly by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18043593
Manufacturer Part Number: WP99003317

Questions & Answers

For Whirlpool Dispenser Assembly (Part Number: OEM18043593)

1 Answer

Hello Maria, Since there are no individual parts available for the dispenser, it will have to be replaced with the assembly WPW10199696. The filters on this unit should self flush but you do need to use a small amount of high quality detergent. You can run a sanitation cycle with white vinegar to flush some grease out of the drain lines. This can be done as often as needed if an odor has developed. Since the odor is the by-product of a bacterial action, killing the bacteria with the white vinegar will help to eliminate the odor and make the unit more sanitary. Most washability complaints are due to the drain line not being supported to countertop level before entering the sink drain or the drain pump getting weak.

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1 Answer

Don, If you are only getting 1 vac to the wax motor then the issue would be in the timer 99002057 or the wiring of the unit.

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1 Answer

David, Manually unlatch the door and check for a detergent build up around the latch assembly,it doesn't take a lot to jam the latch. You can remove the torx screws holding the inner door panel to the door frame(disconnect the power to the dishwasher first) remove the wires and test across the wax motor terminals for 2K ohms resistance, no, or low resistance will require repalcing the detergent dispenser WP99003317 You can also conduct a Field Service Test " A Field Service Test may be started by pressing the Heavy Wash key 5 times followed by the Start key within 6 seconds. This will cycle and operate all the components in the dishwasher in less than 10 minutes.

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Curiousb for Model Number MDBH985AWS

My dishwasher has a soap/rinse aid dispenser (Whirlpool PN 99003317) that operates off of a single wax motor. All other DW's I've looked at had a separate wax motor for the soap door latch and the one for the rinse aid plunger. It seems this device has a mechanical linkage that causes the rinse plunger to operate every second cycle of the wax motor. Seems to make sense, first wax motor operation pops the soap door open, the second wax motor cycle squirts some rinse fluid into the final rinse cycle. On most wash cycles there is a soap dispense followed by a rinse aid dispense. What happens when the rinse cycle doesn't come as in a wash cycle that never gets to the rinse cycle (door opened user resets the dishwasher or using the quick wash cycle). Then it seems the rinse aid cycle could get out of sequence with the rinse cycle of the DW. Any insights on how the DW ensures the first cycle is soap only and the second is rinse aid only? I have noticed glasses have milky residue and wondering if rinsing fluid never dispensed.

1 Answer

CuriousB, The wax motor is energized 2 times on this unit. The first is to release the dispenser door during the main wash. The second time will activate the rinse aid dispenser to allow the rinse aid to be put into the rinse cycle. It is possible that during the rinse cycle that the rinse aid is not being activated but you would have to run diagnostics to be able to determine this.

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1 Answer

Hello Ron, If you are using rinse aid and heated dry is chosen, the vent housing assembly WPW10190890 should be checked. Items must also be loaded as per the use and care guide to prevent standing water which adds moisture to the evaporation process.

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1 Answer

Brian, the only part available separate from the dispenser WP99003317 is the knob, part number 99003060. All other parts to the dispenser is only available with the dispenser assembly only. Thanks!

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1 Answer

Hello Selma, The dispenser door cannot open all the way because it hits the inside of the rack as per design. This is to calm sudsing during the initial water circulation and soap distribution. There is nothing wrong with this unless the soap is piled up under the dispenser door. If this is the case, the issue is either with water fill or water circulation.

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1 Answer

Hello Andrea, The manufacturer no longer sell small parts like this. Since we are not the manufacturers, we have no control over this situation. I would just replace the assembly WP99003317 unless you know some place to purchase used parts.

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