How to get a stuck hydraulic hose loose without breaking it
Stuck hydraulic hoses often seize due to rust, tight compression fittings, or a lack of leverage to generate enough torque. This prevents you from finishing basic repairs or replacements without making an unnecessary trip to the hardware store for specialized tools.
What the numbers show
Counted from the threads quoted below. How we count
- The most recent one is from October 2026.
- This comes up 13.4× more often in r/Plumbing than across the site as a whole.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
- 1Using plumber pliersDid this help you?
- 2Applying heatDid this help you?
- 3Cutting the line and using a socket with a long-handled ratchetDid this help you?
- 4Removing the pump to work on it outside the vehicleDid this help you?
- 5Reusing the existing nut and ferrule on the pipe with a compatible replacement valveDid this help you?
- 6Cutting the wall open to install a new washer boxDid this help you?
- 7Using a wrenchDid this help you?
- 8Holding back on the brass piece while turning the chrome plated partDid this help you?
- 9Using two small adjustable wrenches on the flat partsDid this help you?
- 10Spraying liquid wrenchDid this help you?
- 11Spray some wd40 or penetrantDid this help you?
- 12Work it back and forthDid this help you?
- 13Put the tool into it, push the lines together while pressing the tool in then try pulling them apartDid this help you?
- 14Take the supplies off and get the ones that will work for your faucetDid this help you?
- 15Get new flexible hoses of the appropriate type with the needed connectorsDid this help you?
- 16cut into it with a hacksaw and pry it offDid this help you?
- 17use a proper small pipe wrench instead of pliersDid this help you?
- 18gently score it in two or more places and then peel it offDid 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.
“It wont screw off”source ↗
“I was swapping out my washing machine valve and this nut is stuck at the compression fitting.”source ↗
“The local hardware store is closed and I really don't want to drive into town for the open store.”source ↗
“The hoses are flexible I just need to get this larger adapter piece off”source ↗
“But both are stuck. I tried using a pipe wrench and tried vinegar to break down the build up, but so far nothing's budging.”source ↗
“Not moving i sprayed some liquid wrench”source ↗
“There’s this adapter on the hot/cold pipes I need to get it off for a new faucet with a smaller size, doesn’t seem to screw on or off because of the washer inside”source ↗
“Replacing rusted fuel line, front side connector that goes into engine popped off with quick disconnect tool, but this connector doesn't seem to work with the disconnect tool. What do I need to do to pop this off? It is literally the last bit of repair for this car to go back on the road. Help please!”source ↗
“Hey. I’m trying to get the hydraulic hose of mye steering pump off, but can’t get enough torque..”source ↗
Where this came up
People with this problem also raised
- 9How to remove a stuck crimped fuel line fitting
- 2How to remove a stuck hose clamp in tight spaces
- 9How to get a stuck brake rotor off the hub
- 3How to remove a stuck bushing outer sleeve without power tools
- 27How to get out a stuck faucet cartridge without breaking it?
- 6How to get a blown spark plug out of engine threads