Plumbers in Denton, TX, share some signs that indicate the garbage disposal needs repair or replacement.
Denton, United States - June 30, 2025 / DRIP Plumbing /
When to Call for Garbage Disposal Service
Clanking sounds or persistent foul odors often indicate problems within the garbage disposal system. These warning signs typically suggest the need for repair or replacement before the damage worsens. By identifying early symptoms, such as leaks, jams, and unusual noises, more costly issues and unexpected breakdowns can be avoided. The following guide highlights some of the most common indicators that garbage disposal repair or replacement is needed.
Strange Noises
Garbage disposals should operate with a consistent sound. Unusual noises, however, are often a sign of internal problems that demand prompt attention.
Humming Without Grinding Action
A humming sound without active grinding typically means the unit is jammed. This occurs when objects, such as utensils, bones, or large food scraps, become lodged between the impeller blades and the grinding chamber. While the motor continues running, it is unable to turn the blades. Prolonged operation in this state may cause motor burnout within minutes.
Screeching and Metal-on-Metal Sounds
High-pitched screeching or metal-on-metal noises suggest bearing failure or damaged impellers scraping the interior walls. These issues reduce grinding performance and often indicate severe internal wear. Unlike minor jams, this level of damage usually requires professional repair or full replacement.
Rattling and Clattering Noises
Rattling sounds often result from loose mounting components or broken internal parts. Excessive vibration or shaking during use may indicate deteriorated motor mounts or dislodged hardware. According to the International Association of Certified Home Inspectors, units experiencing such vibration have a significantly increased failure rate within six months. Immediate inspection is recommended in these cases.
Leaks
Water pooling under the kitchen sink often indicates a leak in the disposal, which can lead to mold, cabinet damage, or other issues if left unaddressed. These leaks can come from several areas, including:
- The mounting assembly at the sink connection
- The discharge pipe leading to the drain
- The unit's bottom housing
Worn gaskets or deteriorated seals are the primary cause of most leaks. Moisture or water stains around the base of the disposal are early red flags. Once seals fail, water may damage internal electrical parts. According to HomeAdvisor's 2023 appliance report, around 35% of disposal replacements are due to leak-related issues. While minor leaks can sometimes be repaired, replacement becomes more practical when multiple seals have failed or if the unit is old.
Bad Smells
Lingering foul odors are a common sign that the garbage disposal needs service, especially if the smell returns quickly after cleaning. These odors typically originate from trapped food debris lodged in hard-to-reach areas.
Simple cleaning methods, such as using ice cubes, baking soda, or citrus peels, can help eliminate surface odors. However, persistent smells often indicate internal damage, such as worn gaskets or compromised grinding components, that allow waste to collect in unintended areas.
According to the International Association of Certified Home Inspectors, nearly 30% of odor-related service calls are caused by internal mechanical problems rather than simple food buildup. If smells return within a few days of cleaning, this often indicates internal wear that requires professional attention. In such cases, complete replacement may be the most reliable and cost-effective solution.
About DRIP Plumbing
DRIP Plumbing is a family-owned and operated company serving northern Denton and Collin Counties. Known for its integrity and passion, the team combines the latest technology with trusted, licensed plumbers to deliver fast and reliable service. From water heater repairs to drain cleaning and leak detection, DRIP Plumbing offers expert solutions, straightforward pricing, and a strong commitment to customer satisfaction. Call them for garbage disposal services in Denton, TX.

Contact Information:
DRIP Plumbing
310 Dallas Drive
Denton, TX 76205
United States
Tobias Dyer
(940) 222-7297
https://www.dripplumbingntx.com/