Question about Frigidaire PLD4375RFC Dishwasher

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Glasses on top rack are dirty on outside of glass, looks like soap scum

Posted by Anonymous on


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Please check if something is blocked near the top spray arm, also make sure that all holes are open. Use a sharp metal pin to clean the holes on the top spray arm. Make sure the water pressure is not low.

under the screen and you'll need a Torx screwdriver to get to it after you remove the spray arm and screen. Check to see that the path it travels is clear. I have seen these get blocked up by stuff.
Now check if the top arm spins freely and check the bearings for the arm, if they are producing extra friction while the spray arm spins. White film deposits are observed if water is hard or when you are using more detergent than needed, try filling detergent cup half way. Try using white vinegar after the wash cycle is complete, run a complete cycle. Also turn down the heat on the hot water fed to the dishwasher. Try using water softener for better results.
You can also add vinegar in the final rinse cycle. Make sure that your soap dispenser drawer is opening and closing fine.
Hope this helps... Please post back if more information is required.


Posted on Feb 09, 2011

  • UFOmonster Apr 09, 2011

    The problem is the bushing on the upper spray arm. By spinning around a million times, the stationary part has worn into the bushing which created a "seat" that does not allow the spray arm to spin freely. To fix it will take about 5 minutes and cost you somewhere between free and $2 depending on if you have any sandpaper lying about. I had this exact problem and this is the ONLY thing that worked (i tried everything else every I found online to no avail).

    Step 1. Find or buy the aforementioned sand paper. (400 grit is probably best, but anything higher than 150 should be fine)

    Step 2. Pull the upper spray arm off; just pull it down firmly, it'll pop off (don't pull the whole thing off, just remove the part that spins) and remove the two semi-circular bushings.

    Step 3. Sand the bushing until that worn surface is perfectly flat and smooth. This is best done by laying the sandpaper gritty-side-up on a flat surface and rubbing the worn bushing surface across it a few times. This process should take about 5 seconds of brisk rubbing; you don't have to get crazy with it.

    Step 4. Put the bushings back onto the post (the part you didn't remove) and pop the spray arm back on.

    This is an easy fix that you CAN do by yourself. But, if you don't want to, you can replace the whole spray arm for under $20. (it's not any easier to do that though :)



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