Hello, I'm hoping someone can help me. Any advice on how i remove the cartridge for my 3 handle galtmaster bath tub faucets? I am down to the retaining nut (image on the right) and when i remove the nut i can poke the black washer, but how do i remove and replace the cartridge? Also, will the cartridge removal be the same for the diverter?

Thanks,

Col

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