Garbage disposal installation and repair in Fraser, MI

Fraser kitchens lean hard on the disposal, and when it stops, the sink stops with it. Start with what the unit does when you flip the switch.

Disposal humming, leaking or silent when you flip the switch?

• Disposal humming but not spinning: something has jammed the flywheel, and the motor is still getting power. Turn it off right away.
• Total silence: the thermal overload tripped (the red reset button underneath), the breaker or outlet tripped, the switch failed, or the motor is dead.
• It spins, but the sink drains slowly or water rises in the other bowl: the clog is past the disposal, in the trap or the drain line.
• Disposal leaking: where matters. A drip at the top is the sink flange. A leak at the side is the dishwasher inlet or the discharge tube. A leak from the bottom of the housing means the internal seal has failed.
• Rattling or grinding metal: a spoon, bottle cap or broken mount.

What wears out disposals in Fraser kitchens

Grease does more harm than anything you can see. Fraser's sewer lateral handout says fats, oils and grease harden and stick to the inside of pipes, and it tells residents not to run the disposal with hot water or detergent to flush grease down. The grease doesn't vanish. It cools in the trap, the kitchen branch line or the lateral under the yard, and Fraser puts that whole lateral, out to the city main, on the property owner.

Fibrous scraps wrap around the impellers, and starchy peels turn to paste in the trap. Our guide to what not to put down a garbage disposal has the full list. Age wears units out too. Grinding chambers corrode, and a disposal that sits unused for weeks can seize.

What a garbage disposal service call covers

Disposal work covers the unit and everything it touches under the sink: flange, mounting ring, power, dishwasher drain, discharge tube and trap. In a 1950s through 1970s Fraser house the drain stub-out was set decades ago, so a new unit has to fit the height that's already there. A call can include:

• freeing a jam, resetting the overload and testing the switch and circuit
• resealing a leaking flange, mounting ring, dishwasher inlet or discharge joint
• replacing a unit with a cracked housing or failed motor
• adding a disposal to a sink that never had one, where the opening, power and drain height allow
• adding a dishwasher high loop and clearing a slow trap

Garbage disposal repair near me: what we check first

Power comes off before hands go near the unit. We look into the chamber with a light and pull out anything that doesn't belong with pliers, never fingers. Most disposals have a hex socket in the center of the bottom, and turning it back and forth frees a jammed flywheel. Then the reset button gets pressed and the unit gets tested.

If it's still silent, we test the switch, the outlet or hardwired connection and the circuit. For leaks, we dry the unit, run water and trace the drip with a towel. Loose mounting rings, flattened flange putty and a slipped dishwasher hose clamp are all fixable. If the drain is slow after the disposal runs fine, the clog is downstream and needs drain cleaning; grease packed farther out may call for a sewer camera inspection. Our piece on hydro jetting versus drain snaking explains when a cable isn't enough.

Should you repair or replace a garbage disposal?

Repair it when the problem is a jam, a tripped overload, a loose mount, a leaking flange or a bad hose connection. Choose a garbage disposal replacement when water leaks from the bottom of the housing, when the motor hums with nothing jammed, when the chamber is rusted through or when the reset trips again and again.

When you pick a new unit, the choices are motor size, continuous or batch feed, sound insulation and stainless grinding parts. Some brands use the same quick-mount ring, so a like-for-like swap can reuse the flange; switching brands usually means a new flange and fresh putty. The manufacturer's warranty years are printed on the box.

Garbage disposal installation, start to finish

Pull the old unit and check the drain

We remove the old disposal and run water through the drain stub-out. If it's slow, the line gets cleared before the new unit goes on, or the new one will look like the problem.

Seat the sink flange

A fresh bed of plumber's putty goes under the flange, and the mounting ring is tightened evenly from below.

Make the power connection

The unit gets a cord kit for a switched outlet or is wired to the existing circuit. If there's no power under the sink, that's electrical work with its own permit.

Connect the dishwasher with a high loop

We knock out the plug inside the dishwasher inlet; skipping that step is a common reason a dishwasher won't drain after a new disposal goes in. The 2015 residential code says the dishwasher discharge hose must rise to the underside of the counter and be fastened there before it connects to the disposal, and the dishwasher's water supply needs an air gap or backflow protection.

Trap, leak test and a quick walk-through

A disposal needs at least a 1-1/2 inch drain. We connect the discharge tube and trap, run water, start a dishwasher drain cycle and check every joint with a dry towel. You'll see where the reset button and hex socket are.

Cost factors and Fraser permits for a disposal

Price depends mostly on what's under the sink. The unit itself varies by motor and feed type, and who supplies it matters. No power under the sink means an outlet or a hardwired circuit, which is electrical work. A slow drain past the disposal has to be cleared first, or the new unit inherits the clog. Undermount stone sinks and thick cast iron bowls make the flange harder to seat, and a dishwasher hookup, a missing high loop and hauling the old unit away each add a little.

Do you need a permit to replace a garbage disposal in Fraser?

Clearing a stoppage doesn't need a permit under Michigan rules. A new disposal does. Fraser's current fee schedule (FY 2026-27, amended September 2026) lists a garbage disposal as a $10 plumbing fixture, and its electrical appliance permits list disposals at $15 for the first unit. Applications are filed online, and plumbing inspections run Tuesday and Thursday mornings. LARA's rules let only a licensed plumbing contractor or a homeowner working on their own house pull the plumbing permit, and LARA's license lookup shows any plumber's status. The inspector checks the 2015 Michigan Residential Code items in the install steps above: drain size, the high loop and dishwasher backflow protection.

For a full kitchen project, see kitchen plumbing services. We also handle disposal calls in Clinton Township, Roseville and Macomb Township.

Why call a Fraser plumber about a failing disposal?

We work from Janet Ave in Fraser, where the drain behind most kitchen cabinets is as old as the house. So the call starts with what the unit does at the switch, and the visit starts with the drain past it. If grease has narrowed the branch line, a new disposal won't fix a slow sink, and you hear that before you buy one. A needed circuit or city permit gets explained up front. Call (207) 419-2600 and keep the switch off.