If your refrigerator dispenses water, chances are it uses a filter.

Most manufacturers recommend replacing the filter every six months to nine months, but certainly your fridge won’t blow up if you don’t. You might just drink some stanky water or notice a “decreased flow.” Or your ice maker won’t function as well.

Or you could just replace your filter when your status indicator light (or “change filter” light, as many customers call it) tells you to. Usually, this light lives on the temperature control panel. If you don’t have a change filter light, replace the filter based on the time frame recommendations outlined in the Use & Care manual you tucked away for safekeeping because you’re a responsible appliance owner.

Mostly, just use good sense, as the life of the filter depends on your usage and the quality of the water. If you notice a change in your water, replace your filter more frequently.

How To Replace Refrigerator Water Filter

For the filters like the one picture above left, rotate the cap counterclockwise until it’s vertical, and pull the cap and filter cartridge out through the base grille. Push the new filter cartridge into the base grille until it stops with the cap in the vertical position. Rotate the cartridge cap clockwise to a horizontal position.

For the filters like those on the above right, press the eject button and pull the cap straight out. Don’t twist the cap or it will detach from the filter. Push the new filter into the opening in the base grille. The button will pop out when the filter is in place, but give the cap a tug to make sure.

This kind of filter, found in the upper right corner inside the refrigerator, is pretty easy to replace. Just turn the filter counterclockwise until it come out, drain it into the sink and trash it. Next, remove the seal from the new filter, insert the filter into the filter head and turn it clockwise until it stops. Easy.

After Replacing Water Filter

Once you replace the filter, make sure you flush air from the water system, otherwise you’re going to have a drippy dispenser in your kitchen driving you absolutely nuts.

Hold a container to the water dispenser lever for 5 seconds, and then release it for 5 seconds. Repeat until water comes out. Continue holding and releasing the dispenser lever (5 seconds on, 5 seconds off) until a total of 4 gallons has been dispensed. You might get a little spurting as the air clears out, so beware.

Can’t get to the store for a new filter? You can still remove and use the water dispenser in bypass mode. You just won’t have filtered water.