Leaky fill valves tank bolts and spud washers are the three most common places in the toilet tank where leaks are likely to occur.
Toilet leaking bolt bottom tank.
Fluidmaster instructs on setting the bowl as follows.
Check the connecting bolts.
The toilet tank bowl kit instructions said that you were supposed to use the bolt one washer and then one rubber gasket inside the tank then on the bowl side another gasket washer and nut.
Toilet tank leaks on the other hand are not so much so.
Use the nut and washer under the tank to seal the tank first then prop up the tank on the sink.
Look up for any cracks in the porcelain tank and check out the rubber seals and bolts.
Toilet leaking between tank and bowl.
One reason for a toilet leak from the base might be a loose connection where the tank meets the toilet.
Yet in order to be 100 sure we want to guide you through the most common leakage scenarios.
If they seem loose or you can see water gathering in that area use the screwdriver to tighten them.
These bolts travel through a hole at the bottom of the tank and then run through matching holes located in the bowl.
A toilet that leaks from its tank bolts is usually leaking because of damaged misaligned or even cracked washers or bolts.
A screwdriver adjustable wrench small wire brush sponge white vinegar and rags.
Generally two piece toilets have a set of bolts that attach the tank to the bowl.
For this project you ll need the following tools.
We are starting from the most likely cause of the leakage and the easiest ones to spot.
To fix a toilet tank leak it just needs to be opened up and removed checked and getting the damaged parts replaced and then put it all back together.
Remove all metal washers in the tank metal washers inside the tank can cause leaking.
Since the leaks will likely involve its inner components it can be resolved in one go no matter how many problematic parts are there.
Install the new bolts gaskets washers and nuts.
Place a rubber washer onto each of the tank bolts and push each tank bolt through the bottom holes of tank.
Dry the area and wait 15 minutes.
Leaking toilet tanks can be repaired by changing out the rubber gaskets around the tank bolts and the spud washer which can deteriorate and fail due to hard water and minerals.