Fixing a leaky garbage disposal depends entirely on where the leak is located. If water leaks from the upper sink flange, you must uninstall the disposal, clean off old plumber's putty, and reinstall the flange with a fresh bed of putty. If leaks occur at the discharge drain pipe, replace the rubber gasket and tighten the flange bolts. However, if water drips directly from the bottom motor housing, internal seals have failed and you cannot fix it, requiring a complete disposal replacement. Verification: Run water through the sink basin to ensure all repaired joints remain dry.
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