After brushing, flush again with warm water. The water should flow freely down the hole and into the drip pan underneath the fridge (outside). If water backs up, the clog remains — repeat steps 4–5.
Use a cloth to wipe away any standing water or food bits around the hole. If the hole is covered by a plastic clip or cover, gently remove it. how to clean drainage hole in fridge
Insert a flexible brush into the hole, working it in and out gently. Avoid using hard metal tools like coat hangers, which can puncture the drain tube. Twist the brush to pull out gunk. After brushing, flush again with warm water
and replace any covers, shelves, and drawers. Use a cloth to wipe away any standing
Remove any crisper drawers and shelves from the bottom of the fridge compartment. Look for a small hole (about the size of a pencil or smaller) at the back center or back bottom. Use a flashlight to see clearly.