andBLOCKED DRAIN REPAIR METHODS Vent defects: the plumbing vent may be partly blocked. If a gurgling sound is heard at a sink or shower drain only when a nearby toilet is flushed, or at a sink or shower when a nearby tub is draining, we'd suspect that the building drain-vent system ...
As the snake pushes through the drain, apply a little pressure. Keep it up until you can feel the obstruction. Try to work the snake through the clog. This should allow the water to start draining. Give the hook half a turn in several directions, and then carefully reel it back in. D...