If the discharge of the garbage disposal is leaking, find out how to correct discharge installation issues.
Watch & Learn
If the garbage disposal discharge appears to be leaking, this 40-second video points out a few key areas to check and correct.
How to: Check Installed Disposer for Leaks
Written Directions
Materials Needed
Before attempting to repair your garbage disposal, read and understand the entire InSinkErator safety and installation instructions listed below.
Screwdriver
IMPORTANT
Below are some basic steps to follow that could stop the discharge from leaking.
Check the discharge. Check that the discharge nut or bolts are tight.
Check the gasket. Check the gasket for accumulated debris, cracks or rips. Replace any cracked parts.
Check the discharge elbow. Look for any cracks on the discharge elbow and verify that the elbow/trap joint is tight. Replace any cracked parts.
If you have an Evolution unit, check the below:
Confirm the discharge tube has been inserted into the Anti-Vibration Tailpipe Mount correctly and is secured properly with the original spring load hose clamp.
Check the Anti-Vibration Tailpipe Mount for cracks or damage.
If water is coming directly from the discharge opening, check if the detergent shield is buckled.
Tips for Success
Locating Hard to Find Leaks: Empty the area below the sink. Spread a sheet of newspaper flat over bottom of cabinet below sink. Secure with tape. If water drips from a leaking area, it will leave a wet spot on the paper. Place stoppers in sink(s) and fill with water. Leave sinks full for a while. Look for leaks. Remove stopper(s) and let sink drain. Look for leaks. Turn on the water and garbage disposal and allow them to run while looking for leaks.
If leaks are not found, keep paper in place for a few days. If you see no indication of leaks, water may be from other sources. Check water filters, dish sprayer, faucet, dishwasher drain hose, sink/countertop seam, and countertop joints.