[Shop-talk] ongoing/updated Re: odd cartridge??

[Tim .]

________________________________
From: Tim . <tims_datsun_stuff at outlook.com>
Sent: Wednesday, January 7, 2026 9:39 AM
To: Shop Talk <shop-talk at autox.team.net>
Subject: ongoing/updated Re: odd cartridge??

I pulled off what turned out to be just a retaining "nut". It exposed what you see in the two pictures.

I assume I can pull the gray plastic bit off if necessary.

Is that notch in the bottom of the brass collar meant to be used with a tool to remove the cartridge?

If so, I guess I get to buy a new tool.

Thanks
tim

________________________________
From: Shop-talk <shop-talk-bounces at autox.team.net> on behalf of Tim . <tims_datsun_stuff at outlook.com>
Sent: Saturday, December 6, 2025 12:03 PM
To: Shop Talk <shop-talk at autox.team.net>
Subject: Re: [Shop-talk] odd cartridge??

A picture might help.....ffs tim
________________________________
From: Tim . <tims_datsun_stuff at outlook.com>
Sent: Saturday, December 6, 2025 12:02 PM
To: Shop Talk <shop-talk at autox.team.net>
Subject: odd cartridge??

I need to replace at least the cold cartridge in our shower--probably just do both IF I can find replacements. I do not know how old this system is but assume 40+ years, maybe 50.

This is what it looks like before full removal. At this stage in disassembly, it looks nothing like any of the videos I have looked at online.

Does anyone recognize this? What are my chances of finding a replacement? Or should I just hope I can rebuild it?

I can find no markings to ID the system.

Thanks
tim
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