Use caution as some of th.
Toilet lock nut stuck.
Super glued locknut on toilet fill valve under tank author.
Use a pair of pliers to just loosen the coupling nut.
Then try to loosen it using a correctly sized wrench.
Moving the nut in any direction is progress.
Then finish loosening the nut with your fingers.
Most of the better companies supplied a brass lock nut and a brass coupling nut to connect the water supply tube.
So you probably won t run across this problem to.
What s a sput nut any.
When you unscrew the screw the pliers will hit against the toilet bowl and prevent the nut from turning and it will loosen.
Eventually and in an effort to save money some of the companies started shipping these ballcocks with a white metal nickel composite lock nut and coupling nut.
The end of the water supply line will come away from the connection.
The lock nut threads onto the fill valve inlet just above where the water supply hose or tube coupling attaches.
These are used in a toilet chiefly to secure the fill valve in the toilet tank.
If the nuts don t have wings lock a pair of locking pliers around each one in turn.
How to remove a stubborn nut bolt.
Gently pull the nut down.
Mamacanfixit mn i am trying to remove a plastic lock nut so i can replace the fill valve assembly.
To make sure you hit the nut itself and not the surrounding threads place a center punch on the nut and strike the punch with a hammer.
After breaking the fins off the nut while using wrench i tried holding the nut and turning the part in the tank.
Jarring the nut can break its bond to the bolt.
Lock nuts are used to hold fixtures securely in place from below.
Some nuts have wings that you can grasp with your fingers.
While turning these stabilize the bolt from above with a screwdriver.
There are many ways to remove stuck and stubborn nuts bolts here are some of the ways that i ve found work best these methods contain both simple options and some that use luxurious tools such as an impact gun or welder.