Having experienced similar plumbing issues, I can attest that addressing flange problems promptly is crucial to avoid leaks and unpleasant odors. When removing a toilet, it’s important to carefully inspect the flange for cracks or damage. If the flange is loose or broken, repairing and securing it firmly before reinstalling the toilet prevents future instability. Using a high-quality wax ring during reinstallation plays a vital role in creating a watertight seal between the toilet base and the flange. I always recommend replacing the closet bolts as well, since worn or rusted bolts can lead to loose fittings and leaks. For main line drainage, it’s not uncommon for blockages to clear themselves, but routine inspection and maintenance are essential to ensure free flow. In my experience, confirming that the system flow is unobstructed helps avoid costly repairs down the line. Overall, patience and attention to detail during flange repairs and toilet resets can save homeowners from recurrent plumbing troubles. Remember to test thoroughly after installation to guarantee stable and leak-free operation. These approaches reflect best practices for residential plumbing service and support long-lasting results.