Top basket spray not working

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Hi,

I have an older dishwasher also and recently my wife also complained about it not cleaning right... so me being the man I am tried in vain to clean the things... Bought new spray arms online and installed them in minutes...now the thing works like new... However I have also found that if the heating element goes bad then that also can mess things up bad... So I would buy new spray arms, and also check out the heating element to make sure it is working... Here is a tip that will help you with the online buying...

Dishwasher Spray Arms not Spinning

How to Buy Appliance Parts Online

A bad heating element causes many problems in dishwashers...

Dishwasher Problems The Heating Element not Working

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heatman101

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Check top basket is straight and moves back fully, remove top spray arm and check holes are not blocked. The water pressure from the top arm is deminished if they are blocked and once the dispenser door opens it is the top spray arm water that propels the tab into the tank. Also, check that when your tallest item is in the bottom basket it does not obstruct the rotation of the top one.
Hope this helps to give you a starting point to remedy fault.

These spray arm will only get water several times in the wash and rinse cycle. They do not turn at the same time the lower (bottom large spray arm under the bottom rack).
There is a chamber that diverts water either to the bottom sprayer or to the top sprayers, not to both at the same time.
If your top spray arms never get water, then there must be an issue with that chamber motor to divert the water. A new sump assembly that has all the new parts.
Good luck.

If the water is noticed at the bottom of door it is probably the seal at the bottom (very unusual for the tank seal to leak, however it is just pushed in, so you could take it completely off, give it a clean up and put it back in) or one of the spray arms is restricted and instead of rotating the water is spraying continually at the corner of the door. Check all hole in the spray arms are clear and if you have a dishwasher freshener make sure it is not stopping the top spray arms rotation field. You could also check that the top arm is clear to move when your dinner plates are in the bottom basket (the top basket could have been moved inadvertently to the lower level).
Hope this gives you a starting point for checks.
ps bottom door seal is quite tricky to replace, so you may need to get an expert is the above tests indicate that that is the leak source.

Check the free rotation of the spray arm. If arm jets are clogged clean them.

After placing the dishes see to it that, the arm is freely rotating without any obstacles.

Check and clean the filter inside at the bottom of the dishwasher. Make sure the spray arm rotates freely and that the holes are not clogged. If the dishwasher has a collapsable tower to shoot water into the upper spray arm, make sure it is not stuck and that nothing is blocking it from rising.

Check the pump out. Even though the Hose is and tubes are clear it does not necessarily mean that the pump is not pumping water to the top sprayer. One way you can do this is take off the upper spray tube and lay it in a glass or bowl and turn on your machine for a minute or so to get the water flowing if it flows then I would take off the spray assembly itself and make sure that there is no blockage on the bearing race

The mold will be growing in the upper parts of the agitator basket above the water line. Spray these areas with a bleach/water mixture using a spray bottle. Turn off the hot water valve to your washer. Disconnect the hose connected to this valve. Connect a leak free garden hose to the valve. Connect a garden sprayer to the other end of the garden hose. Turn the hot water valve back on. Check for leaks. Use the garden sprayer to rinse and remove the mold. Be careful to keep all of the water in the agitator basket. Turn off the hot water valve. Reconnect the hose from the washer to this valve. Turn the hot water valve back on. Check for leaks. Run a wash cycle with an empty load.

Have you checked that the cover for the water inlet at the top where it connects to the spray arm is attached? It could have worked loose. Just re-attach and your spray arm should "miraculously" start rotating again!!