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Snake the Toilet Trap — Using a Drain Auger for Stubborn Clogs

Intermediate6 hours

Part of project

How to Clear a Clogged Plumbing Vent Stack on Your Roof · Step 4 of 5

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In this video

With the auger in position, push the handle down to feed the cable into the toilet's internal S-trap. When you feel resistance, stop pushing and begin turning the crank handle clockwise. While cranking, apply gentle, steady downward pressure. The combination of turning and pushing helps the auger head navigate the tight bends of the trap. Continue this process until the cable has been fed all the way in or you've broken through the clog.

Goal: Navigate the S-Trap and Clear Initial Clog

  • Do not use excessive force. Let the rotating action of the auger do the work to prevent cracking the toilet.
  • If the snake binds up, it may want to spring back. Let it, then pull back slightly and try cranking and pushing again.

Used in this video

  • Toilet AugerFeeding the cable through the trap.
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FAQs

What are the most critical safety precautions I should take before climbing onto my roof?

Safety is paramount for this project. Always use a sturdy ladder placed on stable ground and ensure it extends at least three feet above the roofline. Wear slip-resistant footwear, like the Shoes For Crews listed, and consider having a spotter or using a safety harness, especially on steep or high roofs. Avoid working alone, in bad weather, or when fatigued.

How can I be sure my plumbing issue is a clogged vent stack and not a different problem?

Common signs of a clogged vent stack include slow drainage, gurgling sounds from drains (especially after flushing a toilet), and the presence of sewer gas odors inside your home. These symptoms are usually more pronounced in fixtures closest to the vent stack or on upper floors. If multiple drains are completely backed up, it might indicate a main sewer line clog instead.

Do I really need specialized tools like the NITECORE tactical flashlight or a 50 ft drain auger?

Yes, specific tools are crucial for effectiveness and safety. A powerful tactical flashlight is essential for illuminating the dark interior of the vent stack to identify blockages or assess damage. The 50 ft drain auger is necessary to reach deeply lodged clogs that might be far down the stack, beyond what a shorter auger could manage. Using a garden hose with a strong spray nozzle is also vital for flushing.

What if I can't clear the clog with the auger or water, or if the problem persists after following the steps?

If you've thoroughly attempted to clear the clog using the auger and water pressure without success, the obstruction might be too dense, located further down in the main drain line, or the vent stack itself could be damaged. In such cases, it's best to contact a professional plumber. They have specialized equipment like camera inspections and more powerful drain-clearing tools to diagnose and resolve complex issues.