The first sign there is a problem will be when you remove the black cap in preparation to drain your waste tanks.
Black water tank leaking.
The next step is to determine which of the dump valves is leaking.
Which by the way.
The black water tank collects both liquids and solids so caring for it is a bit different than your gray tank.
How to repair your rv black water and gray water dump valves instead of replacing them.
The second is a grey water tank that holds dirty water from your kitchen sink and shower.
Also shows how to adjust the cable actuator so you get a valve to com.
The biggest concern with black water tanks is waste collecting along the tank walls and not draining when you empty into the rv dump station.
If you re greeted with about a half gallon of waste water as soon as you loosen the sewer cap then one of your dump valves has lost its ability to contain the water in the tank.
It holds dirty water from your toilet.
This may or may not cause an actual tank leak.
When your black water tank is not properly ventilated due to a crack or the vent popping off the tank you ll start to notice a strong sewer smell when your tank gets full.
If not removed this buildup can cause problems in the form of unpleasant odors and clogs neither of which you want in your rv.
Another giveaway is the presence of odors.
If a vent pipe were to drop it usually drops into the tank through a rubber tank fitting.
The last one is the black water tank.
In this article we shall focus more on the black water.
In addition to human waste the rv black tank also collects water used to flush the toilet and of course toilet paper.