The next step is to determine which of the dump valves is leaking.
Black water tank leaking.
The first sign there is a problem will be when you remove the black cap in preparation to drain your waste tanks.
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.
The second is a grey water tank that holds dirty water from your kitchen sink and shower.
In addition to human waste the rv black tank also collects water used to flush the toilet and of course toilet paper.
The black water tank collects both liquids and solids so caring for it is a bit different than your gray tank.
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.
In this article we shall focus more on the black water.
Some rvs might lack the grey tank the black tank contain all the dirty water from the kitchen sink toilet and showers.
Another giveaway is the presence of odors.
How to repair your rv black water and gray water dump valves instead of replacing them.
If not removed this buildup can cause problems in the form of unpleasant odors and clogs neither of which you want in your rv.
Ion a black water tank it could simply be leaking from around the 3 inch pipe from the toilet or the smaller vent pipe requiring nothing more than new sealant.
This may or may not cause an actual tank leak.
If you see the water start to leak under your rv then you ve found the culprit.
It holds dirty water from your toilet.
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.
Which by the way.