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Eheim 2217 grinding noise...

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Hello Everyone!

I have a new Eheim 2217 canister (its only a few months old) I just cleaned it the other day, and decided to look at the impeller and make sure it wasn't dirty. This was my first time doing this part, because I did not have a need to do so previously. I put it back together, primed it, and there has been a loud rattling/grinding noise ever since. I know it is not due to air. I know what that sounds like, and have sat and gently tipped it to remove all the air. I have checked every connection, and they all seem fine. The hoses are a tad dirty ( I lack brushes for now) but I can still see through them, and have rinsed them. I am really bummed because this filter ran soooo incredibly quietly (first filter to ever do so as advertised!) before this last cleaning. I bought a new shaft, thinking maybe mine was warped, but it hasn't helped. I have noticed the hole in the impeller might be more oval shaped, however it has been rattling for two weeks, so this may be a result of the grinding, not a cause. I ordered a new impeller anyways, but am worried what to do if the sound persists after I put in the new impeller. Any information about this problem would be awesome!

Thanks Everyone!
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· Registered
931 Posts
I have a 2232, unknowingly dropped a rubber bushing which keeps impeller in place, would rattle loudly. First I thought it was air, but was much louder than what air usually sounded like. Took it apart multiple times then found the instructions where it depicted the small bushing. Luckily it fell into the sink disposal and no one turned it on. Once I replaced it, quiet as ever.

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