How to repair a corroded outdoor hose bib stem
Corrosion can seize the handle screw and washer on old outdoor hose bibs, making them impossible to remove without specialized techniques. This prevents DIYers from swapping out worn washers or stopping persistent leaks, leaving them stuck deciding whether to attempt a difficult repair or replace the entire assembly.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
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How to repair a corroded outdoor hose bib stem
- 1Replacing the entire hose bib assemblyDid this help you?
- 2Calling a plumber to handle the replacement in case it breaks in the wallDid this help you?
- 3Calling a plumber or replacing the entire valve instead of repairing it.Did this help you?
- 4Replacing the rubber gaskets using a basic rebuild kitDid this help you?
- 5Hiring a professional plumberDid this help you?
- 6Tighten the packing nut a quarter turn to stop the leak without taking it apart.Did this help you?
- 7Replace the whole spigot assembly with one containing a backflow preventer or vacuum breaker.Did this help you?
- 8Replacing the spigot entirelyDid this help you?
- 9Tracing the line through the crawlspaceDid this help you?
- 10Looking for hidden shutoff valves behind insulation or mounted on joistsDid this help you?
- 11Cutting the pipe right below the thread protector and ripping the nipple out of the fitting.Did this help you?
- 12Cleaning the existing threads and screwing in a plastic male fitting to repipe in plastic.Did this help you?
- 13Repiping entirely from the exterior through the wall in plastic to remove the rusted sections.Did this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“The backyard water spigot is the one that does not work. I thought it was a defective spigot, so I replaced it, but it still doesn't work.”source ↗
“Leaking in the closed position where the arrow is. Doesn’t look like I can change out the entire valve. Can I DIY repair or do I need to call a plumber?”source ↗
“I’m trying to avoid stucco work and the hub is very close to it. It joins a galvanized pipe inside and connects to a gutter on the outside.”source ↗
“I’m working on an older outdoor hose bib and would like to save the existing faucet if possible rather than replace the entire thing which is a big project.”source ↗
“The small screw that held the rubber washer basically disintegrated from corrosion when I tried to remove it.”source ↗
“The screw holding the handle onto the stem is heavily rusted and I haven’t been able to get it loose either.”source ↗
“Hi! I’ve got a spigot that’s starting to leak/spray pretty good from the handle when turned on. Is this as easy as cutting water, unscrewing that nut, and changing a washer? Or should I be looking to replace the entire bib?”source ↗
“previous owner of my place had one buried under a pile of fiberglass batts, took me an embarrassingly long time to find it”source ↗
Where this came up
People with this problem also raised
- 4Can you replace a broken plastic sink hose connector?
- 132How to fix a leaking water pipe in a tight space
- 2How to patch a rusted gutter instead of replacing it
- 2Why is my outdoor spigot still leaking after replacing parts?
- 3Replacing an outdoor spigot with no interior basement access
- 3What replacement material should I use for a corroded pipe nipple?