Frigidaire 5303943073 Detergent Cup Kit OEM Part

Replaced wash impeller (was worn and broken) and detergent cup cover (was broken at pin location)

The best guide was relevant videos on You Tube. It demystifies the process. Unfortunately, there are no videos for this particular type of detergent cup, but you'll get a good general idea from the other brands. By all means, once you remove the lid, take a photo of the assembly before you take it apart. It will serve as a guide, as no diagram came with the part. The vendor's website has a picture, but you may want to have something on hand. I used a drill with screwdriver sets and an extension, due to cramped quarters around the dishwasher.

I knew the detergent dispenser was broken. That was an easy fix - though I did find that the retaining pin was too big, and I had to make the hole in the shaft a little bigger. As far as the noise, I started disassembling and cleaning things, until I found that the diverter had broken free from the top of the housing, and was now stuck on the motor. I could see marks from where the diverter had been grinding away the housing. I was worried about prying on the motor (the diverter was very stuck), so I broke it off with a chisel. Replacement part worked great.