screaming noise when flushing Toto toilet

Discussion in 'Toilet Forum discussions' started by Azalbo, Jul 21, 2012.

  1. Azalbo

    Azalbo New Member

    Jul 21, 2012
    the toilet worked fine 6 weeks ago. Now after returning from vacation, it screams while flushing and then stops the scream. How do I eliminate loud screeching?
  2. wjcandee

    wjcandee Wise One

    Apr 27, 2012
    New York, NY
    There is likely some dirt or sediment in the fill valve. Someone just posted a link to a nice piece by Toto on how to "service", i.e. clean, the valve to eliminate this. (Whenever I am away from my apt for a couple of weeks, I am amazed at how much sediment and junk comes out of the pipe when I open a faucet for the first time; some of that may have gotten caught in the valve.) Here's the official Toto piece: Link To Toto Fill Valve Service Instructions If you have the type B (Korky/Lavelle Made In USA) Valve, here's a video by Korky on how to service it (similar to the Toto instructions, but the video helps):

    Usually just cleaning is good enough. If you need to replace the diaphragm cap on the Korky valve (Part R528), you can get it at Lowe's or HD for about $3 (or online or at many ACE's).

    Let us know how it turns out. Usually just getting the gunk out and reassembling solves the problem.
    Last edited by a moderator: Aug 26, 2014
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  4. Terry

    Terry Administrator Staff Member

    Aug 17, 2004
    Bothell, Washington
    Make sure the shutoff at the wall is opened all the way too.

    Last edited: Jul 23, 2012
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