I have had this washer for about 3 1/2 years, no problems till now.
When I start the wash cycle water fills the bleach dispenser also.
Everything else seems to work fine wash, rinse, spin. I can’t use the bleach because of this.
In order to provide most accurate advice we need the complete model number of the washer.
Gene.
It is MOD MAH6500AWW. I was at work and didn’t have that on my first post.
Most likely the problem is a shorted bleach solenoid on the dispenser water valve (#14 on the control panel & top break down diagram) or a shorted control board (#17 on the control panel & top break down diagram).
You can find more specific instructions in the service manual.
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The part number for the dispenser water valve [COLOR=#0066cc]AP3464761[/COLOR]
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The part number for the main control board [COLOR=#0066cc]AP3449382[/COLOR]
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Here are the break down diagrams for the Maytag Neptune washer Model MAH6500AWW
Gene.
I’m having the same problem, but my Maytag Neptune model number is MAH3000AWW. The parts diagram doesn’t seem to show a solenoid for this model. Which part is the most likely culprit and which components must be removed in order to access it? Any suggestions would be greatly appreciated.
jjrapp,
Most likely the problem is a bad wax motor in the dispenser. This part does not come separate and you have to replace the whole dispenser assembly.
- The part number for the dispenser assembly is [COLOR=#800080]AP252043[/COLOR]
Here are the break down diagrams for the Maytag Neptune washer Model MAH3000AWW
Gene.
Thanks for the quick reply. Now I can’t figure out how to access the dispenser assembly. The top cover seems to be held down by the top cover spacers and the corner braces. Perhaps I have to remove the door and the shroud brackets first? Or is there a quick release for the top cover?
You can find the complete instructions in the Service manual.
Gene.
The linkage between the wax motors and the rotary nozzle had a fair amount of calcification build-up. After cleaning that area, the dispenser now works just fine. Thanks for the help! 
We’re glad you were able to fix it.
Gene.
I have the same problem with the bleach/softner dispenser in my model MAH5500BWW… is there a service manual available for this model that outlines my issue?
Thx!
The first thing I would do is disassemble the dispenser and clean all parts. You can use the Service manual for the previous replies.
Here are the breakdown diagrams and Replacement parts for MAYTAG MAH5500BWW | AppliancePartsPros.com
Gene.
The link for Service Manual doesn’t work!