I changed a standard rubber washer on the cold water in my 50 year old shower and now the cold water makes a steady, high pitch, squeaking noise at low volume. The squeak changes pitch as I turn the water on more (but I do not need that much cold water.). What might I have done wrong and how do I fix the noise?

Update: It is now several weeks later and the cold water no longer squeaks. (It healed itself.). Why?

  • 1
    Did you use the right size washer and tighten it in good?
    – JACK
    Oct 31, 2019 at 17:25
  • Is it a form of water hammer? Or just like water through a restriction? Turn it off tightly a few times and see if deforming the seat helps. I doubt you did anything wrong it’s the conical geometry of the washer and a narrow opening causing the noise.
    – Ed Beal
    Oct 31, 2019 at 23:15
  • @EdBeal It is a high pitch squeak. I edited the question to give more detail.
    – Yehuda_NYC
    Nov 1, 2019 at 15:57
  • @JACK I put in a flat washer that seemed to be the right size. I thought I tightened it pretty well. Certainly not left loose. Should I redo it with a different washer?
    – Yehuda_NYC
    Nov 1, 2019 at 15:58


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