A disposal that hums, jams, leaks, or smells is usually an easy fix — and when it is time to replace one, the right unit lasts years. New Pro repairs and installs disposals across the Westside, flat-rate.
Written bySteven Lockhart
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Reviewed byMiguel Lopez, Owner & Licensed Plumber, New Pro Plumbing (CSLB #974600)
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Last reviewedJune 2026 · 6 min read
Quick Answer
Most disposal problems are simple: a hum means a jam, no sound means a tripped reset or a dead motor, and a leak comes from a worn seal or loose connection. New Pro clears jams, fixes leaks, and installs new disposals sized to your kitchen — flat-rate, with the connections done right.
Garbage disposal problems sort into a few clear categories, and the symptom usually tells you the cause. This page is part of our complete guide to residential plumbing services across West Los Angeles. A hum means a jam. Silence means power or a dead motor. A leak means a failed seal or connection. Knowing which one you have helps you decide whether it is a quick repair or time for a new unit.
A garbage disposal is the motorized unit under a kitchen sink that grinds food scraps fine enough to flush down the drain; common failures are jams, tripped resets, worn seals, and motor burnout, most of which are inexpensive to repair.
If the disposal hums but will not spin, it is jammed — cut the power, and a quarter-turn with the hex wrench in the bottom socket usually frees it. If it is silent, press the small red reset button on the underside before assuming the worst. We cover the safe steps on our garbage disposal problems guide, but never put a hand inside the chamber.
Most disposal failures and the drain clogs that follow trace back to what went in. Grease, fibrous vegetables, coffee grounds, and starchy peels are the usual culprits — the same grease that builds up in your drains also coats the disposal and the line beyond it. Running cold water during and after use, and keeping the hard items out, doubles a disposal’s working life.
The most common garbage disposal problems are jams, a tripped reset, leaks, and persistent odor. Most are repaired in a single visit, and we will tell you straight when a unit is past saving.
A jam is cleared from the bottom socket once power is off. A leak from the top is the sink flange; from the side, the dishwasher hose; from the bottom, a cracked body that means replacement. Odor is food trapped in the chamber, cleared with ice and citrus or a proper cleaning. See garbage disposal problems for safe at-home checks.
Disposal jammed or leaking? We’ll sort it out.
Call (310) 663-7666When a disposal is cracked or the motor is dead, choose a replacement by motor power and build quality rather than price alone. A larger household or one that cooks often is better served by a stronger motor and a stainless grind chamber that resists corrosion.
We match the new unit to your sink and dishwasher setup, mount it with a proper flange seal, wire or plug it correctly, and test the dishwasher drain connection. Our choosing a garbage disposal guide walks through sizing.
The Bottom Line
A humming disposal is jammed, a silent one needs a reset or a new motor, and a leaking one needs a reseal or replacement depending on the source. New Pro fixes what is worth fixing and installs a properly sized unit when it is time — flat-rate, connections done right.
A hum without spinning means the disposal is jammed — the motor works, but something is blocking the impellers. With the power off, a hex wrench in the socket on the underside usually frees it. Never put a hand inside the chamber. If it stays jammed, call us.
First press the small reset button on the underside; disposals trip this when overloaded. If that does not restore power, check the breaker. If it still does nothing, the motor has likely failed and the unit needs replacing.
The leak source tells the story: from the top is the sink flange seal, from the side is usually the dishwasher hose connection, and from the bottom is a cracked housing that means replacement. We identify the source and reseal or replace accordingly.
Most disposals last roughly eight to fifteen years depending on use and build quality. When the motor burns out or the body cracks, replacement is more practical than repeated repairs. A stronger motor and stainless chamber lasts longer.
Avoid grease and oil, fibrous vegetables like celery and corn husks, coffee grounds, starchy peels, and any bones or hard items. These jam the unit and clog the line beyond it. Run cold water during and after grinding to keep things moving.
Yes. A disposal that grinds poorly or that has had grease and fibrous waste put through it can clog the drain line below. If your sink backs up, the disposal may be part of the cause — we check both when we visit.
This page was written by the New Pro Plumbing content team and reviewed for technical accuracy by Miguel Lopez, owner and California-licensed plumber (CSLB #974600). Guidance follows U.S. EPA, U.S. Department of Energy, and California agency sources where cited. Any figures reflect New Pro Plumbing's typical practice and West Los Angeles conditions, not a quote — we confirm pricing in writing before any work begins.
What’s new: June 2026 — first publication.
A disposal that hums, jams, leaks, or smells is usually an easy fix — and when it is time to replace one, the right unit lasts years. New Pro repairs and installs disposals across the Westside, flat-rate.
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