A stem leak usually shows up near the handle.<\/p>\n
It often leaks when the faucet is turned on.<\/p>\n
But your water is showing up in the middle.<\/p>\n
It also runs down the pop-up rod.<\/p>\n
That points to water entering above the sink.<\/p>\n
Then it travels through the faucet body area.<\/p>\n
It may also follow the drain lift rod.<\/p>\n
Water often takes a strange path.<\/p>\n
So the drip may not start where you see it.<\/p>\n
What To Check First<\/h2>\n
Dry the whole faucet and sink area.<\/p>\n
Use paper towels under the faucet.<\/p>\n
Then run only cold water.<\/p>\n
Watch the center hole under the sink.<\/p>\n
Next, run only hot water.<\/p>\n
If it leaks only while water runs, check the spout.<\/p>\n
The spout may need new O-rings.<\/p>\n
Some vintage faucets use seals inside the body.<\/p>\n
These seals can fail with age.<\/p>\n
If it leaks when water sits on the deck, check the base gasket.<\/p>\n
Old plumber\u2019s putty can dry out.<\/p>\n
A cracked gasket can also let water pass.<\/p>\n
Water can then drip through the center hole.<\/p>\n
Do Not Add More Packing Yet<\/h2>\n
More stem packing may not solve this leak.<\/p>\n
Too much packing can make the handle hard to turn.<\/p>\n
It can also hide the real problem.<\/p>\n
The Home Depot explains that faucet stems help control water flow.<\/p>\n
Their guide also shows how stems and cartridges are removed during repairs.<\/p>\n
You can read more at The Home Depot leaky faucet guide<\/a>.<\/p>\n Remove the faucet from the sink if possible.<\/p>\n Clean the sink deck very well.<\/p>\n Remove old putty, grime, and mineral buildup.<\/p>\n Check the gasket under the faucet base.<\/p>\n Replace it if it is hard or cracked.<\/p>\n Use plumber\u2019s putty only where the faucet maker allows it.<\/p>\n Some surfaces need silicone instead.<\/p>\n Also check the spout O-rings.<\/p>\n If the faucet is very old, replace all soft seals.<\/p>\n Use exact parts when you can find them.<\/p>\n Bring the stem and spout parts to a plumbing shop.<\/p>\n They can often match old parts better than big stores.<\/p>\n Small faucet leaks can waste a lot of water.<\/p>\n EPA WaterSense says one drip each second can waste over 3,000 gallons yearly.<\/p>\n You can learn more from EPA WaterSense Fix a Leak Week<\/a>.<\/p>\n If the faucet has hidden cracks, the repair may not last.<\/p>\n At that point, replacement may be smarter.<\/p>\n But first, check the base gasket and spout seals.<\/p>\n Those are the most likely causes here.<\/p>\n I’m Chris Mayer, writing for Plumbing 101<\/a>.<\/p>\nBest Fix For This Vintage Faucet<\/h2>\n
Why This Leak Matters<\/h2>\n
Final Tip<\/h2>\n
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