The metal shutoff valve connects to a PVC feed pipe. Hopefully it will loosen … I had also installed a Fluidmaster fill valve into one my other old toilets and had zero issues with that. They are different on each side, making them very difficult to get off. I have unscrewed the tank from my toilet and am trying to unscrew the lock nut but it won't budge! Turn off the water supply at the house meter. Remove the lock nut by turning it with your pliers. Step 2 - Remove the Valve. Once you’ve sprayed the valve, grip the valve with a plumber’s wrench, and use a rubber mallet or a ham… Moving the nut in any direction is progress. 2. 3. If you hold the valve from up above with one hand and loosen the nut from the bottom with a pliers from below that nut should come off. Clamp the locking pliers onto the end of the bolt as tightly as you can, then hold the bolt steady while you turn the nut. 3. Penetrating oil is a special type of grease sold at home improvement centers and hardware stores. Apply heat. Author: packy (MA) the 3 rubber 'footers' have nothing to do with the flush valve. 1. If the nut is tight to the tank, you may be able to loosen the valve from the nut by twisting the whole assembly itself. But first you might want to loosen the 2 (sometimes 3) nuts that hold the tank attached to the stool and remove the tank. This time I cannot remove the two plastic nuts under the tank, holding the metal intake tube to the tank and the valve. k if the water is off hold back on the lower part of the fluidmaster and turn the nut counter clockwise at the same time . Author: packy (MA) the 3 rubber 'footers' have nothing to do with the flush valve. Be careful, that stuff is flammable. recommendation. Source(s): carpenter/handyman. I never had a problem because I coat the nuts with silicone paste available in the plumbing section. Give 4-5 sharp tugs and see if the bolt moves. Use a wire brush to loosen the mineral deposits around the nut. The valve is trash anyway, so you cut the nuts off. As you unscrew the nut, a bit of water may drip out of the tank. Press question mark to learn the rest of the keyboard shortcuts. Disconnect the water supply tube or hose that connects the water supply valve to the fill valve. 2. There's probably some minerals in there, but I suspect the original installer used some serious torque to ensure it wouldn't leak. If this locking nut is not secure it can loosen and allow the stem nut to move axially to the point that the splines are disengaged; resulting in a loss of drive to the valve stem. Good luck Use a wire brush to loosen the mineral deposits around the nut. Source(s): carpenter/handyman. A utility knife or a hot utility knife should cut the nuts off easily. Once that is done then you can attempt the Lock-Nut the same way, if the Fill Valve is too slippery then grab it with pliers as well. When the bolt is cool enough to touch, squirt penetrating oil (it comes in a spray can or squirt bottle) on and around it—and on the nut if it’s accessible. Easy way to go about it. Remember to twist counter clockwise. Re: How to remove lock nut on bottom of flush valve? It is OK to cut through the old fill valve as it is being replaced anyway. Hello gigilinn and welcome to the community! Then try to loosen it using a correctly sized wrench. Use a pair of pliers to just loosen the coupling nut. Be careful, that stuff is flammable. Hello! Remember to twist counter clockwise. I have done this before and always seem to have a problem. As you unscrew the nut, a bit of water may drip out of the tank. Re: How to remove lock nut on bottom of flush valve? Then, carefully pull the supply line out of the valve underneath the tank. Jarring the nut can break its bond to the bolt. 4. The nut holding the supply line to the shutoff valve won't budge. After leaving it soaked in penetrating oil for a day, try to loosen the nut with a wrench. I can’t replace my fill valve until I can loosen it. 0 0. All else fails, very carefully hold a hacksaw blade inyour hand and cut the nut. they are kohler's version of gaskets for the tank to bowl bolts. Otherwise you can use a wrench to loosen the lock, breaking off any rust that has accumulated therein. Why would you set the damn nut up in the tank? You will have to hold the inside piece with your hand while applying the pliers to the underside nut. Loosen the nut that secures the fill valve to the water supply line by turning it counterclockwise with pliers or a wrench. Then, spray down the stuck valve with penetrating oil. The valve is connected to a rubber ball float. Ordinary chrome sockets can't handle impact work … This method can sometimes loosen the lock instantly and allow you to manually unscrew it. Also loosen the nut that holds the fill valve in place. Be careful though, as both these methods can damage your faucet. You might not have to. The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. Detach the toilet fill valve. The overflow tube on the original one broke off right where it attaches to the flush valve. Wipe off any remaining residues with a rag. How do I remove this lock nut connecting to the fill valve? Or take one hand and hold the nut and loosen the fill valve toward the bottom inside the tank with your other hand. Apply heat. Sometimes loosening a stuck brass fitting is as easy as turning the locknut counterclockwise to tighten it further and then turning clockwise to loosen. It has unusually low viscosity, which allows it to penetrate very tight spaces easily. Web Design & Marketing by Urmil Patel. Loosen the bolt with an extended wrench. Brass fittings, primary used on hot or cold water lines to connect one piece of pipe to another, become stuck due to corrosion or over-tightening. This nut is a coupling that connects the supply line to the fill valve. Hook the wrench onto the bolt and grasp the nut with a pair of large pliers. Tighten the nut. Empty the bucket and place it underneath the water supply line. Like removing a bolt. just unscrew the big hex nut and the valve will come loose.. Edited 1 times. This might be difficult to do without a pair of pliers or an adjustable hand wrench. Tap the end of the bolt a half-dozen times with a hammer to help loosen the threads and allow the oil to penetrate. Moving the nut in any direction is progress. Then I clipped a vice grips to the fill valve base inside the toilet. 0 0. Rock The Bolt: This is another one to try early in the process, and in-conjunction with other methods.Using a ratchet and socket, slowly work the bolt or nut back and forth. Gently pull the nut down. Step 3 - Replace the Valve. You have a shower socket set? Hello gigilinn and welcome to the community! And I noticed that it had a really slow leak just under the locking nut under the tank. Start by turning off the main water shut off valve to the house. A 12" supply tube is usually long enough.The important thing to pay attention to is the size of the nut that connects to the shut off valve.It is usually 3/8" but older galvanized plumbing systems could be 1/2". Apply penetrating oil to the nut and leave it in this state for over 24 hours. 1. It has on it the nut that connects to the bottom of the fill valve and the nut that connects to the shut off valve. This is just to make it easier to work on, and is not required. 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. Step 2 Turn the nut clockwise, until it begins to loosen from the bolt or screw it is attached to. This is just to make it easier to work on, and is not required. Don't advertise or try to compare pricing, thanks, Looks like you're using new Reddit on an old browser. Raise the pipeline from the overflow tube. Then, carefully pull the supply line out of the valve underneath the tank. Lock nuts come in various sizes for many different applications and are most often used by mechanics and engineers to hold wheels in place. If the nut is tight to the tank, you may be able to loosen the valve from the nut by twisting the whole assembly itself. Wipe off any remaining residues with a rag. I mentioned in another thread about using the lock nut on the valve stem as a jam nut against the valve cap instead of screwing it down against the rim. The new fill valve will go on similar to how the old one came off. Remove the nut, washer and lock nut. they are kohler's version of gaskets for the tank to bowl bolts. Loosen the nut that secures the fill valve to the water supply line by turning it counterclockwise with pliers or a wrench. On an all plastic set up, this should not be necassary. I am trying to replace the valves inside the toilet tank. Remove the old fill valve. www.bobsplumbingvideos.com/removing-a-frozen-fill-valve-nut If you don't, try twisting the fill valve from the top to see if you can loosen the grip of the nut...then reach your finger underneath to lock the nut in place while unscrewing the fill valve from above. Try using slip-joint or Channellock pliers to grab the Coupling Nut with one hand, then with the other hand grab the Fill Valve (the spiral thingy in the right picture below), the Coupling Nut should loosen and come off. Position the new valve in place of the faulty one. It will come loose. some tiomes the nut can get cross threded and wont budge i have found that a short drill and drill bit will be needed to remove the ballcock you would have to start by drilling the nut in a few places to break it off Then try to loosen it using a correctly sized wrench. Once that is done then you can attempt the Lock-Nut the same way, if the Fill Valve is too slippery then grab it with pliers as well. Like removing a bolt. Tap with a hammer. Put a wrench on the fixture or nut and strike the handle sharply with a hammer to loosen the fixture. If it has a ring toward the middle of the full valve, you can pull up on it to release the top from the bottom of it and on a replacement do the same thing and just slap on the top part. Loosen the nut or bolt a little bit, until it gets a bit of tension behind it again, then go back the other way and turn it almost to where you started. "super" glued locknut on toilet fill valve (under tank) Author: mamacanfixit (MN) I am trying to remove a plastic lock nut so I can replace the fill valve assembly. I'm not sure if it is glued on or if I just can't get a good enough grip on it to turn it. Before you try this, spray the nut with a generous amount of lubricant, and give it a good 10 minutes to penetrate. Push it firmly onto the nut. I would recommend a spud wrench, which is the go-to tool for handling hex nuts. Hold the nut in position and pull on the end of the wrench. Tighten the fixture or plumbing nut with a wrench or locking pliers to break the grip of the mineral deposits; then turn in the opposite direction to loosen it. Attach the socket to the wrench and place it over the lock nut. It is OK to cut through the old fill valve as it is being replaced anyway. Beneath the tank, loosen the lock nut that holds the fill valve to the tank. An impact driver and a set of high-end hex-shaft nut drivers are all you need to loosen small nuts and bolts. After breaking the "fins" off the nut while using wrench I tried holding the nut and turning the part in the tank. Hopefully it will loosen the nut… If this doesn't work, it's on to plan B, which is to cut the nut off. I am trying to replace the flush valve in my toilet. I can't figure out a way to secure the valve and leverage against that to loosen the nut. Jarring the nut can break its bond to the bolt. So, I installed a Korky fill valve into one of my old toilets (a 1973 Murray by Eljer). They're thin walled sockets for reaching into walls and removing nuts like these. Locate the coupling nut on the underside of the toilet tank. I hate that some asshole came up with that. Apply penetrating oil to the nut and leave it in this state for over 24 hours. A lock nut will not loosen, even under intense vibrations. A spud wrench is a wrench with an adjustable standard box wrench on one end that can be used to screw and loosen nut when installing pipe fittings. Get a pair of adjustable pliers, remove the water line after shutting the valve off. You can drive it off with a flat blade screwdriver. 2. Maybe, try to grip the valve on the inside of the tank. 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. Cut if off Cut in two places. Then finish loosening the nut with your fingers. 1. I scrubbed the nut under the toilet with a wire brush and WD-40. Tap with a hammer. But this time it might have saved me from ripping a stem out of a tube so I thought it was worth a … Tap the end of the bolt a half-dozen times with a hammer to help loosen the threads and allow the oil to penetrate. Conclusion But first you might want to loosen the 2 (sometimes 3) nuts that hold the tank attached to the stool and remove the tank. Many bolts are brass, so they can easily be cut with a hacksaw. The traditional grease-and-wrench approach to opening a stuck shut off valve is basically a matter of trial and error. Once those two steps were done, I was able to unscrew the screw under the toilet for the fill valve attachment without any further trouble. Bathtub Drain Stopper / Trip Waste Assembly. Try using slip-joint or Channellock pliers to grab the Coupling Nut with one hand, then with the other hand grab the Fill Valve (the spiral thingy in the right picture below), the Coupling Nut should loosen and come off. Your email address will not be published. Then use oil and a hammer to loosen. One of the most reliable ways of loosening a tight lock nut is by hammering it. Use your pliers to loosen the nut under the tank. After leaving it soaked in penetrating oil for a day, try to loosen the nut with a wrench. The packing nut of the valve, also called the bonnet nut, is unscrewed to loosen the shutoff valve knob and make it easier to turn. When the bolt is cool enough to touch, squirt penetrating oil (it comes in a spray can or squirt bottle) on and around it—and on the nut if it’s accessible. Very very carefully. just unscrew the big hex nut and the valve will come loose.. Edited 1 times. Insert the end of your box-end wrench into a hollow metal bar. For larger nuts and bolts, you'll need an impact gun and a set of six-point, impact-rated (black finish) sockets. The end of the water … Poor design. Maybe, try to grip the valve on the inside of the tank. Then use oil and a hammer to loosen. Tighten the nut. Remove the fill valve. Removing nuts like these on similar to how the old one came off a... Nut on bottom of flush valve valve off sizes for many different applications are. In the tank from my toilet and am trying to replace the valves inside the tank. 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