Skip to main content

Reconnect Plumbing — Tighten Connections

Beginner3 hours

Part of project

Garbage Disposal Repair · Step 6 of 8

Helpful?

In this video

With the disposal securely mounted, reconnect all plumbing lines. First, attach the dishwasher drain hose to the dishwasher inlet port on the side of the disposal. Secure it with a hose clamp, tightening it with a screwdriver. Next, reconnect the main drain pipe (P-trap) to the disposal's bottom outlet. Ensure all washers and nuts are correctly positioned and hand-tighten the nuts, then use a wrench to snug them up, being careful not to overtighten and crack the plastic pipes.

59.0K views390

FAQs

What tools are essential for a basic garbage disposal repair, and why?

An Allen wrench (typically 1/4 inch or 5/16 inch, often provided with the disposal) is crucial for clearing jams by manually rotating the impellers. A flashlight helps you see inside the drain. Pliers and an adjustable wrench are needed for tightening plumbing connections to stop leaks.

How long does a typical garbage disposal repair take, and is it a difficult DIY project?

Most common garbage disposal repairs, such as clearing a jam or resetting the motor, can take as little as 15-30 minutes. Fixing a leak by tightening connections or replacing a gasket might take 1-2 hours. Overall, it's considered a beginner-friendly project, but electrical and plumbing work always requires careful attention.

My disposal hums but doesn't spin. What's the first thing I should check?

A humming disposal usually indicates a jam. First, ensure the power is off. Then, look into the drain opening with a flashlight for any obstructions and try to remove them. If that doesn't work, use the hex key (Allen wrench) in the center hole at the bottom of the disposal to manually rotate the impellers until they move freely.

What should I do if my garbage disposal is leaking?

Identify the source of the leak first. Common leak points include the sink flange, dishwasher connection, or discharge pipe connections. Tighten any loose nuts or bolts with an adjustable wrench. If tightening doesn't work, you may need to replace worn gaskets or the rubber seal under the sink flange.

Transcript
Hide

dishwasher hose back on an air gap is a device that keeps dirty water from the disposal from going into the dishwasher the tube from the dishwasher goes to the half inch pipe and the tube from the disposal goes to the 7 8 inch pipe and so we've got the garbage disposal on now the thing to do is just hook up the plumbing again and that's what i'm doing the tube from the dishwasher goes to the air gap and then the tube from the air gap goes to the disposal now i'll hook up the piece that goes to the disposal then i'll hook up the drainage pipes including the p-trap

Auto-generated transcript. May contain errors.