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Why Is My Refrigerator Leaking Water?

Water under the fridge? Most leaks come from a clogged defrost drain or a supply line. See the causes and quick checks for Dallas homes.

By John Rye3 min read

By John Rye, Senior Technician — TrueFix Appliance Repair Dallas

Quick Answer

Most refrigerator leaks come from one of two places: a clogged defrost drain (water pools inside or under the crisper drawers) or the water supply line feeding the ice maker and dispenser (water appears behind or under the unit). Both are usually simple fixes once you know which one you're dealing with.

Where the water is coming from tells you a lot

  1. Water inside the fridge, under the crispers: clogged or frozen defrost drain.
  2. Water on the floor at the front: a cracked drain pan, or drain water missing the pan.
  3. Water behind the unit: a leaking supply line, loose compression fitting, or failing water inlet valve.
  4. Water dripping from the dispenser: worn dispenser valve or an ice chute flap that no longer seals.
  5. Water around the filter housing: filter not seated fully, or a cracked housing.

Try this before you book

  1. Pull the fridge out and look at the copper or plastic supply line while someone runs the dispenser.
  2. Reseat the water filter: remove it, check the O-rings, and lock it back in firmly.
  3. For a clogged drain, pour a cup of warm water into the drain hole at the back of the freezer floor or fridge wall. If it backs up, it's blocked.
  4. Turn the water supply off at the valve if the leak is behind the unit and you can't stop it.

What the repair usually involves

  • Clearing a defrost drain
  • Replacing a drain pan
  • Water inlet valve
  • Supply line replacement
  • Filter housing

Fix it or replace it?

A leak almost never justifies replacing a refrigerator. Every common cause is a single part or a cleaning job. The real cost risk is the floor and subfloor, especially in older Dallas homes on pier-and-beam foundations, where slow leaks go unnoticed for weeks.

From John's notes: Plastic supply lines get brittle with age and the heat behind a refrigerator. If yours is more than five or six years old, swapping it for a braided stainless line is cheap insurance.

Water where it shouldn't be? Book a refrigerator leak repair with TrueFix Appliance Repair Dallas before it reaches your floors.

Questions Dallas Homeowners Ask

Can I keep using the fridge while it leaks?

Yes, if you can contain the water. Shut off the supply valve if the leak is from the water line, and keep towels down until it's repaired.

Why does the drain keep clogging?

Food debris and mold in the drain trough. A recurring clog can also mean the defrost heater isn't fully melting ice in the drain path.

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