How do I fix a toilet handle that is loose or stuck?

The handle sits in a hole in the tank wall. Inside the tank, a mounting nut holds it in place, and a metal or plastic arm runs from the handle to the chain that lifts the flapper. Every flush works that nut a little. Over time it backs off, and the handle starts to wiggle. A wobbly handle isn't dangerous, but it can slip or fail to lift the flapper all the way, which leaves you holding it down through the whole flush.

Take the tank lid off and set it somewhere safe, like a towel on the floor. Porcelain lids crack when they fall. Then look at the back of the handle where it passes through the tank wall. You'll see the mounting nut.

Here's the part that trips people up. Most toilet handle nuts are reverse-threaded. Korky, a maker of toilet repair parts, says most lever mounting nuts turn clockwise to loosen and counterclockwise to tighten. That's the opposite of nearly every other nut and bolt in your house.

Then:

1. 1Hold the handle steady from the outside with one hand.
2. 2Grip the nut with water pump pliers.
3. 3Turn the nut counterclockwise until it is snug.
4. 4Test the handle. It should move without wiggling in the hole.

Snug means snug, not cranked down. The tank is porcelain, and a nut that is forced too far can crack it. If the nut won't hold even when snug, the threads are probably worn, and a new handle is the better fix.

Keep the tank lid in mind. If the handle now hits the lid when you flush, the arm is set too high. Korky's install steps say to lower the arm when it interferes with the lid.

A handle that sticks has one of four causes. Go through them in this order.

The nut is too tight. A nut that has been overtightened can pinch the handle so it can't spring back. Loosen it slightly, just enough that the handle doesn't wiggle in the hole but not so much that the nut comes off. Use the same reverse rule. Clockwise loosens.

The chain has too much slack, or it's caught on something. Korky says to leave only one or two links of slack in the chain. Extra links can fall into the flush valve opening and block the flapper from sealing, and too much tension holds the flapper open. Korky also says that if the chain is too loose, the flapper won't lift off the flush valve opening, which causes a weak flush. Shorten the chain by moving the hook to a link closer to the arm.

The arm is bent or rubbing. A metal arm can bend over the years and press against the tank wall, the fill valve or the float. Bend a metal arm back so it clears everything. Plastic arms can't be bent, and if one is warped or cracked, replace the handle.

The flapper isn't seating. A flapper that is misaligned or worn won't drop back down cleanly, and the handle feels sticky or floaty. If the flapper is the problem, our page on how to pick the right toilet flapper helps you buy one that fits.

Sometimes people fix a loose handle and then discover the flush is weak. Take a look at the chain. Kohler's troubleshooting guide lists excessive chain slack as the first thing to check for a poor flush. If the handle only raises the flapper halfway, the tank empties slowly and the bowl doesn't get its full rush.

The chain isn't the only cause. Korky's slow-flush guide also points to a flapper that is adjustable and needs tuning, or the wrong size (2-inch or 3-inch), and to a fill valve float set too low, because then "you will not have enough water in the tank." Mineral buildup that clogs the rim jets can weaken the flush too, which matters in hard-water Phoenix. Our page on how to pick the right toilet flapper covers the sizing.

On the other hand, a chain that is too short holds the flapper up before the handle returns. The toilet then runs on and on. Our guide on how to fix a running toilet covers that side. If the flush is weak even with the chain set right, see why a toilet won't flush all the way.

Replace it when the handle itself is the problem, not the hardware around it. Good reasons:

• The plastic is cracked or the handle is corroded.
• The arm is snapped or won't stay in position.
• The threads are stripped, so the nut won't hold.
• The handle loosens again within days of a fix.

A replacement handle is a small part, and installing one is about the same job as tightening. Remove the chain from the arm, loosen the old nut clockwise, pull the old handle out through the tank wall, put in the new one, tighten the new nut counterclockwise, and reconnect the chain with one or two links of slack. Buy a handle that matches where your old one sits on the tank, and take the old one with you to compare.

Match the handle to how your tank is set up. Handles mount in different places: front, angled or side, and on the left or right. Korky says its StrongARM levers have a reinforced arm that adjusts to fit front, angled, side, right, left and down tank positions, and that they work with standard 2-inch, large 3-inch and canister-style flush systems. So the two things to check before you buy are where your old handle sits on the tank and what kind of flush valve you have. Bring the old handle to the store so you can compare the two side by side.

After the swap, do a test flush with the lid off. Watch the arm and chain as the tank empties. The arm should lift the chain smoothly, the flapper should rise and drop back flat, and the handle should return on its own. If anything rubs or hangs up, fix it now, while the lid is still off.

### When is it more than a handle?

If you have tightened the nut, set the chain, checked the arm and the handle still fights you, the trouble is likely inside the tank. A flapper that won't fall, a bent flush valve, or a fill valve issue can all feel like a bad handle.

If it's beyond a simple fix, or you don't like working in the tank, HQ Plumbing and Air can look at it. We give you a free estimate and the price up front, before work starts. Most handle problems, though, are the nut, the chain or the arm, and you can fix them yourself this afternoon.