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I have a replacement cartridge for this Kohler bathroom sink single handle faucet. The Kohler support line when I ordered the warranty replacement cartridge insisted that no special tools were needed to unscrew the old cartridge.
But as far as I can tell, it is held in by the metal ring to the outside of the red plastic ring. The metal ring has flat sides but I see no way of getting a grip on it without some sort of special tool.
Do I need some sort of special socket tool to unscrew this?
I can’t figure out how to remove this cartridge. It’s an older Kohler, single handle kitchen faucet. Do I need a special tool?
I can’t get this cold water faucet cartridge loose, it feels completely stuck. Tried with a ratchet, extra person holding the faucet in place, used CLR, nothing I tried works. What am I doing wrong? I don’t see visible rust so I’m surprised it’s so stuck. Please advise. Thanks!