Can I Use Brake Fluid in a Hydraulic Jack

話題沸騰中の Can I Use Brake Fluid in a Hydraulic Jackについて、詳しいまとめを分かりやすく掲載しています。

Imagine pouring brake fluid into your jack. First, the seals might start swelling or shrinking, like that wool sweater you accidentally put in the dryer. Then, the fluid will attract moisture from the air, creating a nasty sludge that clogs the tiny valves inside. Your jack will start sighing instead of lifting, and eventually, it’ll give up entirely.

Hydraulic Jack Maintenance

Oh, and if you’re thinking, “Well, maybe it’ll work once,”—sure, maybe it’ll lift something. But then it’s a ticking time bomb. The seals could fail under load, and your car might come crashing down. That’s not just inconvenient; it’s a trip to the hospital waiting to happen. So, unless you’re auditioning for a slapstick comedy, stick to the right stuff.

Do Your Jack a Favor: Use the Right Juice

What should you actually put in your hydraulic jack? Hydraulic jack oil, also called hydraulic fluid or mineral oil. You can find it at any auto parts store, and it costs about as much as a fancy latte. Check your jack’s manual (yes, that dusty booklet in your toolbox) for the exact viscosity—usually ISO 32 or 46. If you’ve lost the manual, just look for “hydraulic jack oil” on the bottle. It’s that simple.

Here’s a pro tip: don’t even think about using motor oil, transmission fluid, or vegetable oil (yes, I’ve heard of people trying that). Your jack is a sensitive creature. Treat it right, and it will lift your car for decades. Abuse it with brake fluid, and you’ll be shopping for a new one—and possibly a new vehicle.