# How to Remove a Damaged Ferrule in a Dishwasher
When installing your dishwasher for the first time, setting up the dishwasher with your water supply line in your home is important. The water supply line for the dishwasher typically runs to the area below your kitchen sink and connects to the sink water supply valve. If you notice water leaking from the water line connected to the dishwasher, you may have a broken compression nut or ferrule, which is a small, metal fastening ring connecting the water line of the dishwasher to a 90-degree elbow of the sink water supply. Remove and replace a broken ferrule part fixes the leak.
Things You'll Need
- Adjustable wrench
Instructions
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1
Locate the water supply line from your dishwasher underneath your kitchen sink. The water supply line is connected to the 90-degree elbow.
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2
Turn the water supply shut-off valve into the "Off" position, shutting off water to the dishwasher.
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3
Loosen the compression nut on the water supply line from the dishwasher using an adjustable wrench so that it becomes loose enough to move freely on the pipe.
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4
Pull off the end of the water supply line from the 90-degree elbow and - let the ferrule slide off - the pipe.
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5
Insert a new ferrule onto the water supply line pipe and connect the end of the line back to the 90-degree elbow.
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6
Tighten the compression nut over the over the ferrule. Turn the water supply shut-off valve back to the "On" position.
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