Step-by-step fix
Step 1: Confirm the packing nut is really the problem
- Turn the hose bib on and watch closely around the handle stem, not just the spout.
- Dry the faucet body and handle area with a rag so fresh water is easy to spot.
- Look for water seeping from the small nut directly behind the handle. That nut is the packing nut on many hose bibs.
- If a hose is attached, remove it so a hose washer leak does not confuse the diagnosis.
If it works: You can see that the leak is coming from around the handle stem or packing nut area.
If it doesn’t: If water drips from the spout instead, the washer or valve seat is more likely the issue. If water leaks where the faucet meets the wall or pipe, this adjustment will not fix it.
Stop if:- The faucet body is cracked, badly corroded, or loose in the wall.
- Water is leaking inside the wall or siding area.
- The faucet twists when you touch it, suggesting the pipe connection may be loose.
Step 2: Set up for a controlled adjustment
- Turn the hose bib off.
- Wipe the packing nut and stem area clean so your wrench gets a solid grip.
- Place one hand or a second tool on the faucet body if needed to keep it from twisting while you adjust the nut.
- Position the adjustable wrench squarely on the packing nut.
If it works: The faucet is off, the area is dry, and the wrench is seated cleanly on the packing nut.
If it doesn’t: If the nut is painted over or hard to reach, clean the edges and reset the wrench so you do not slip and round the nut.
Stop if:- You cannot get a secure grip on the nut without forcing the faucet body.
- The faucet connection moves in the wall when you try to hold it steady.
Step 3: Snug the packing nut in small increments
- Turn the packing nut clockwise just a little, usually about 1/8 turn to start.
- Do not crank down hard. Small adjustments work better here than one big turn.
- If the nut was obviously loose, make one more small clockwise adjustment, but stop before the handle becomes hard to move.
If it works: The packing nut is slightly tighter, and the faucet still turns by hand.
If it doesn’t: If the nut will not move, do not force it. You may need penetrating oil, repacking, or faucet replacement instead of more torque.
Stop if:- The faucet body starts twisting with the nut.
- The packing nut feels like it may strip or crack if you keep going.
Step 4: Test the faucet under running water
- Turn the hose bib on slowly.
- Watch the packing nut and handle stem area for a minute while water is flowing.
- If you still see a small seep at the stem, turn the faucet off and tighten the packing nut another very small amount.
- Turn the faucet on again and recheck.
If it works: The handle area stays dry while the faucet is on.
If it doesn’t: If the leak improves but does not stop, the stem packing may be worn out and need to be replaced rather than tightened more.
Stop if:- The handle becomes very stiff to turn after adjustment.
- The leak gets worse or starts from a different part of the faucet body.
Step 5: Make sure the faucet still shuts off normally
- Turn the faucet fully off and then back on once or twice.
- Check that the handle turns smoothly without excessive force.
- Look for any drip from the spout after shutoff and any seep around the stem while operating the handle.
If it works: The faucet operates normally, and the packing nut adjustment did not make the handle bind.
If it doesn’t: If the handle is too stiff, back the packing nut off slightly counterclockwise and test again. If the stem still leaks when adjusted correctly, plan on replacing the packing material or the faucet.
Stop if:- The handle will not turn without heavy force.
- The stem or handle hardware looks bent, damaged, or ready to fail.
Step 6: Verify the repair holds in real use
- Run water for a few minutes the next time you use the hose bib normally.
- Check again around the handle stem and packing nut after the faucet has been on and off a few times.
- Wipe the area dry one last time and come back later to confirm no fresh moisture has appeared.
If it works: The handle area stays dry during normal use, so the packing nut adjustment held.
If it doesn’t: If the leak returns, the packing is likely worn, hardened, or missing and the next step is repacking or replacing the hose bib.
Stop if:- You notice water inside the wall, basement, crawlspace, or behind exterior trim after using the faucet.
FAQ
How tight should a hose bib packing nut be?
Just tight enough to stop the leak around the handle stem. Start with about 1/8 turn and retest. If you overtighten it, the handle can become stiff and the packing can wear faster.
Will tightening the packing nut stop a drip from the spout?
Usually no. A spout drip more often points to a worn washer, damaged valve seat, or internal wear. The packing nut mainly affects leaks around the handle stem.
What if the packing nut is already tight and it still leaks?
The packing material is probably worn out, dried out, or damaged. At that point, tightening more usually does not help much. Repacking the stem or replacing the faucet is the better repair.
Can I do this without shutting off the house water?
Yes, for a simple packing nut adjustment you usually can. Keep the hose bib itself turned off while you adjust it, then test it by turning it back on. If you need to repack or disassemble the faucet, that is a different job.
Why does the faucet leak only when it is turned on?
That is a common sign of worn stem packing. Water pressure pushes water past the stem area when the faucet is open, and snugging the packing nut can sometimes compress the packing enough to stop it.