How do you store your fluid tools?

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Jun 20, 2025
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How do you clean and store tools used with fluids—like oil funnels, transfer pumps, or brake bleeders?

I’ve been treating my oil pump and funnel as disposable to avoid cross-contamination (old oil or different viscosities). Same concern with brake fluid gear—don’t want moisture or residue hanging around. Thats why I always do "dry method" when flushing my break fluid, and use water bottles to drain the old fluid.

Do you clean them thoroughly, dedicate tools per fluid type, or just let them drain?

Would love to hear what works for you.
 
I have a long thin funnel that I sometimes use for oil. I have an old cat litter box that holds my chain saw (which oozes fluids itself) so it lives there so its oiliness doesn't spread. But I also use it for gasoline, and don't mind rinsing a little old oil into my gas tank then letting it air dry, now clean.

I cut a Castrol quart bottle in half cross-wize and its threads are perfect for my Toyota valve cover oil fillers. I kept the cap and store this "funnel" upside down on a paper towel with the cap on to keep dust out.

Brake fluid I do treat properly without cross contaminating. Also endeavor to keep oil out of my antifreeze-- but I generally don't need a funnel for AF related stuff.
 
Sounds like once cleaned, putting in ziplock to keep the dust away is a good choice. And perhaps then keep them in a platistic pail bucket would be a good way to keep things organized.

When I clean my funnels, I usually spray 91% isopropyl alcohol and then wipe them. But perhaps I should give carb cleaner a try
 
Brake clean rinse on funnels. Brake fluid tools are dedicated to brake fluid use only. Fluid removal tools, it doesn't matter except on brake use tools, its waste oil. And when funnels come out the cardboard box they get a quick shot of brake clean and a wipe before use.
We're not talking blood borne pathogens here.
 
For funnels - brake clean, store inside a plastic bag so dust doesn’t accumulate.

For brake fluid flush pumps, transmission fluid pumps, suspension fluid pumps - I have a dedicated one for each type, so no cross-contamination occurs. I drain the fluid, store them in a plastic box.

I don’t use solvents in tubing and containers because I cannot be certain that I got all the solvent out, and I don’t want contamination.

For the fluid extractor - I keep the extraction hoses clean and closed in a loop, but I don’t do anything else. I dump it out when the job is done or it is full. No solvent. It’s designed to handle fluids, not solvents. It’s an extractor, it doesn’t need to be clean to handle used fluids.
 
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