Toilet fill valve making continuous hissing sound

[Theyegis]

Hi all. First time poster here so apologies for any mistakes. My fill valve has recently started to make a pretty steady hissing sound, even when not flushing. Here's the link to two videos to demonstrate this: https://photos.app.goo.gl/PWm9YaDQHqiWmTzo6.

In the shorter one, you can even see a little water movement where the grey cylinder meets the black. Anyone know what could be wrong?

 

[James Henry]

Spend 10 bucks and replace it, it's time.

 

[Sponsor]

 

[Jadnashua]

That model has an easily replaceable seal assembly, costs about $3, but here's some help on verifying what's wrong. https://www.fluidmaster.com/toilet-problems/toilet-running-constantly/

98% of the time, that fixes the problem. Yes, you can replace the whole valve, but it rarely is needed. You don't usually buy a new car because you need new tires...this is a common, but easily resolved problem.

 

[James Henry]

Replace the flapper too. Your flapper is 2" but the video should help.

 

[Theyegis]

That model has an easily replaceable seal assembly, costs about $3, but here's some help on verifying what's wrong. https://www.fluidmaster.com/toilet-problems/toilet-running-constantly/

98% of the time, that fixes the problem. Yes, you can replace the whole valve, but it rarely is needed. You don't usually buy a new car because you need new tires...this is a common, but easily resolved problem.

Thanks for the reply. You're talking about replacing this part, right? https://www.amazon.com/Fluidmaster-...&sprefix=fluidmaster+valve+sea,aps,264&sr=8-2

 

[Breplum]

yes, OP, your amazon link: that is the "seal"
watch a youtube video of how to change it.