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Thread: shower valve hard to close

  1. #1
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    Default shower valve hard to close

    I have a single knob push/pull type shower valve. My question is, when I pull out the knob to fill the tub, the valve closes like normal but when I pull the diverter to allow the shower to run, the valve pulls out fine but is really hard to push back in. I have two of the same valves installed, one in the master and one in the guest bathroom. I took the cartridge out of the bathroom that works fine and tried it in the other bathroom but still had the same problem. Any suggestions what could be causing this or how I can fix it?

  2. #2
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    Nevermind, I figured it out. I took some grease I have for my boat that doesn't break down in water. I smeared a little on the shaft of the cartridge and now it works like brand new even though it's abour 25 yrs old. I even did my other cartridge and that one works like new also.

  3. #3
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    I guess I spoke too soon. It does feel smoother but I still have a problem. It's easy to push/pull when the water is first turned on but after taking a shower for a few minutes, it's still hard to push back in to turn the water off. It feels like I'm trying to push against water or air pressure. It kind of feels like trying to pump a bike tire with a handheld pump when the tire's really full. When I push in the knob, I can feel it push back out. It takes some hard pushing and turning to get it to turn off. Any ideas what is causing this?

  4. #4
    Moderator & Master Plumber hj's Avatar
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    Default valve

    You might just have to break down after 25 years and install a new cartridge.

  5. #5
    Plumber plumber1's Avatar
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    Default

    Sounds to me like you just pulled the inner shaft out and not the whole cartridge.

  6. #6
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    If what I pulled out is the cartridge, it's not what has to be replaced because it works fine in the other bathroom. If what i pulled out is just an inner shaft, then the cartridge probably will have to be replaced. I'll take a picture of the part I pulled out and post a picture and see if you experts can tell me what it is. I hope it is just an inner shaft. It would probably be easier to try to get the rest of the cartridge out than replace the valve.

  7. #7
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    Default pictures

    Okay, I took it apart again and took some pictures. Now that I looked closer, it does look like I just pulled the inner shaft part out. Here's the shaft I pulled out and the rest of the valve. Can anyone tell me what brand it is and how to get the rest of the cartridge out? Is it moen like someone stated before? I read somewhere to try a moen cartridge tool (if that's what it is) and if that doesn't work, I could tap the rest of it and thread a bolt in with some washers and slowly turn it out or to try an easy out. What do you suggest?
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  8. #8
    Plumber plumber1's Avatar
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    Default Moen

    It takes a Moen cartridge.

    If you would have used the cartridge removing tool before you did what you did to that poor old faucet, you might not be faced with the problem you have now.

    If I faced that problem you have I wouldn't waste the customers money. I would replace the whole valve assembly.

    I believe most of the plumbers at this site prefer Delta.

    The picture looks like reason to do preventive maintenance.

  9. #9
    Plumber Cass's Avatar
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    You can use a 1/2", internal, broken pipe removeal tool to get it out. Clean the valve, dry it, apply some plumbers grease then slide the new one in. You may need to hold back on the valve while doing this.
    Last edited by Cass; 06-01-2006 at 06:46 AM.

  10. #10
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    is this the internal pipe wrench your talking about? Are they available at HD/Lowes or is it a plumbing supply store item? Thanks for all your help. I like learning new stuff like this while also saving money.
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  11. #11
    Plumber Cass's Avatar
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    Yes, they work well.

  12. #12
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    Default thank you

    Well, I bought the internal pipe wrench. It was a little tougher to get the sticky cartridge out of 1 bathroom but it did come out. I did the other bathroom also and it worked a lot easier. I bought the original Moen cartridges and lubed them up good and installed them. They both work AWESOME now. Thank you all very much for your help.

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