Why is my eheim filter making noise?

The noise is caused by the impeller rubbing and that is usually quiet because there is water around the impeller. There is some hazard in leaving it running too long as the water kind of “cushions ” the impeller and shaft. If it runs dry for too long it can score the shaft or impeller.

Why is my canister filter noisy?

Canister and power filters also come with an inbuilt water-pump which they use to move the water back into the tank. If it can’t suck in the water because of obstruction surrounding the impeller or a fault with the pump itself, the filter might become loud.

How do you lubricate an impeller?

Once water starts flowing through, this will lubricate them. Some manufacturers claim that oil based grease is bad for the rubber or other material of which the impeller is made and suggest using something like a dishwashing soap or other proprietary lubricant. Others say that oil based grease is fine.

What kind of noise does a bad water pump make?

One way to check for worn out or failed water pump bearing; is to check for water pump shaft movement. So, with a faulty bearing, you can often hear a squealing, howling; or sometimes a grinding noise coming from the front of the engine.

How do you make a waterfall quieter?

How To Reduce Waterfall Noise

1. Add something to cushion the water’s fall. My first suggestion is to put something soft in the pool to essentially break the water’s fall.
2. Use air bubbles to disrupt the water surface tension.
3. Run the water down a smooth surface.
4. Build some sound baffles.

Why is my filter rattling?

The filter needs to be unplugged and all the filters need to be taken out. If the filter is making a rattling noise, disassemble it and make sure all of the components are in place. The impeller won’t function properly if it isn’t secured in its slot. When it clicks into place, push it down firmly.

Do you grease an impeller?

When inserting an impeller, be sure to use durable water proof grease or other lubricating agent suitable for the purpose and approved by the pump manufacturer on the shaft, so that the impellor will be less likely to become seized to the shaft over time and will be more readily removable when the time comes to do so.

How often should I change my impeller?

It is recommended that a boat impeller be replaced every two to three years or 300 hours, whichever comes first. However, it is suggested to also visually inspect your impeller at the beginning of each season for any signs of wear or damage.