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Home > Blog > The Most Common Causes of Garbage Disposal Repair in Homes

The Most Common Causes of Garbage Disposal Repair in Homes

June 25, 2025

A malfunctioning disposal can turn any kitchen into a mess. Whether it’s loud grinding, slow draining, or a complete stop, homeowners often find themselves calling for garbage disposal repair in Los Angeles, CA, more often than expected. Understanding the root causes can help you prevent major headaches, protect your unit, and keep the cleanup process smooth and efficient.

1. Overloading the Unit with the Wrong Foods

Many homeowners treat their garbage disposal like a catch-all. But fibrous foods like celery, banana peels, and potato skins can wrap around blades and jam the motor. Hard items like bones or fruit pits also cause damage to the grinding mechanism. Being mindful of what you feed your disposal can drastically reduce the need for repairs.

2. Lack of Water During Use

Running water helps flush waste through your plumbing system efficiently. Without it, ground-up food can stick to the sides of pipes and form blockages. This habit is a major reason disposals clog and burn out prematurely. Always run cold water before, during, and after using the unit to maintain performance.

3. Old or Faulty Wiring

Over time, electrical components within the unit can degrade. Loose connections, short circuits, or worn-out power switches can lead to irregular functioning or sudden power loss. In such cases, it’s smart to consult a professional, not only to fix the wiring but to inspect if a full garbage disposal installation in Los Angeles, CA, is necessary for safety and longevity.

4. Dull or Damaged Blades

Just like any cutting tool, disposal blades wear out over time. When blades dull, they become inefficient, leading to frequent clogs and longer grind cycles. In some models, blades aren’t replaceable, which means the entire unit needs attention. A technician can advise whether a sharpening or full replacement is best.

5. Foreign Objects Accidentally Dropped In

Silverware, bottle caps, sponges, and even rings are commonly found lodged inside disposal units. These items can block or jam the impellers and severely damage the motor. If you suspect a non-food item has fallen in, avoid turning the unit on. Instead, unplug it and call a technician to avoid injury or additional damage.

Most disposal problems stem from simple habits gone wrong—feeding the wrong items, ignoring minor issues, or skipping regular maintenance. Addressing these causes early can save you from sudden breakdowns and expensive fixes. Whether your unit is aging or just misused, knowing what triggers malfunctions is the first step to keeping your kitchen running smoothly.

Call us at Mike Diamond Plumbing & HVAC at 1-800-446-6453 for expert garbage disposal solutions. Your home deserves flawless function today.

Filed Under: Blog Tagged With: garbage disposal installation in Los Angeles CA, garbage disposal repair in Los Angeles CA

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  • Schedule Service
  • About Us
    • About The Smell Good Plumber ™
    • Meet Mike Diamond
    • Our Fully Stocked Trucks
    • Radio Commercials -YouTube
    • License and Certifications
    • Reviews
  • Services
    • Plumbing
      • Pipe Repair and Replacement
      • Leak Detection and Pipe Leak Repair
      • Toilet Repair and Installation
      • Trusted Faucet Repair Los Angeles CA
      • Sewer Repair
      • Garbage Disposal Repair and Installation
      • Who Fixes Gas Leaks?
      • Seismic Gas Shut-Off Valve
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    • Water Heaters
    • Electrical
    • Heating
    • Air Conditioning
    • Water Resource Center
  • Coupons
  • Service Area
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  • JOBS
    • Apprentice/Trainee
    • Los Angeles County Plumbing Careers
    • Orange County Plumbing Careers
  • Contact Us
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