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My Fridge Leaks Inside and Is Clogged

If water accumulates in the bottom of your fridge, it very likely is related to the defrosting mechanism in the freezer. The drain that removes the water generated during a defrost cycle sometimes becomes plugged. A clog results in the water washing back into the interior of the fridge where it typically pools somewhere in the bottom. A little investigative work and a few tools will help to diagnose and resolve the problem.
  1. Defrost Mechanism

    • Most modern fridges are self-defrosting, which means that at regular intervals the temperature inside the unit is raised to the point where frost or ice is melted. The water then drains down a tube along the backside of the refrigerator. Normally, that water should end up in a small pan near the ground where it naturally evaporates over time.

    Food Blockages

    • When a fridge starts to leak as a result of a clogged drain tube, the blockage must be removed. If food or dirt particles are causing the clog, the pipe needs to be cleaned out thoroughly to push any debris in the channel through to the pan. A long pipe cleaner can knock out blockages if they're near the top of the tube. Otherwise, use a piece of plastic tubing that is thinner than the drain tube as a plunger to push blockages through the drain.

    Ice Blockage

    • Leaks can also be caused by ice forming in the drain tube. This causes a blockage just as disruptive as a food clump. Carefully pour warm water down the tube. Keep pouring water until the ice thaws and water starts to run into the drain pan. If the blockage is substantial enough that the water won't melt it, use a hair dryer to thaw out the tube.

    Other Clog Locations

    • The defrost tube drain that runs along the back of the fridge might not be the only place the defrost system clogs. This depends on the exact model of fridge. Trace the defrost system from the freezer to the drain pan at the bottom of the fridge to look for other places where food or ice may clog. For instance, there is sometimes a small cup immediately under the freezer where the water funnels into the drainage channel. Remove the cup and check for clogs. Also, check any elbows, joints or channels other than the primary tube if you're having a hard time finding the plug.