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Mixed up oil containers....

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Old 02-09-2014, 06:54 PM
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Default Mixed up oil containers....

Ya so im an idiot, I have two identical Mobil one high mileage containers, one with the extra oil from the last change for topping off every so often, and one with the old brake fluid from installing new clutch hydraulics.

I managed to pour about maybe a 1/4 cup, probably less, hardly anything really, into the fill hole before I realized it was brake fluid (it was mostly from the latter half of the clutch bleed, so it actually looked pretty clean). Of course I never started it or anything, just drained it, and poured about a quart or so of fresh oil through it with the plug open. Before I refill with $30 worth of oil, any thoughts on if its safe now to go ahead and refill? Im sure I probably washed most of it out, but if anyone has any thoughts?
Old 02-09-2014, 07:09 PM
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Brake fluid in the engine is bad, but a 1/4 cup isn't very much, so that is good I guess.

If it was my car I'd remove the valvecover and soak up the fluid in the area around the fill-hole region with towels. You can try to flush any remnants down to the oil pan with a cheap conventional oil like Castrol GTX. I would do a complete flush with cheap conventional oil, pouring 5 quarts down the cylinder head, before filling with a good synthetic oil. It might be a bit of over-kill but you don't want brake fluid to make it into the bearing areas of the motor. Dilute it as much as you can through flushing.
Old 02-09-2014, 10:42 PM
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Kinda like the reason I remove ammunition from my work bench and put it in another room when I am cleaning weapons.
Old 02-10-2014, 03:36 AM
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Heat up a quart of cheap oil in the microwave. Hot oil will run through there like water.

Pour it into the motor as fast as you can pour it in, drain plug out.

The hot oil will wash it right out.
Old 02-10-2014, 04:17 AM
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I agree with Billman. Do it over and over with new oil each time! Untill you aren't scared anymore.
Old 02-10-2014, 07:42 AM
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Just be careful not to mix it up with your cooking oil once you're in the kitchen.. Ha.
Old 02-10-2014, 08:26 AM
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^^haha...good advice so far. You should be good to go with a few flushes.
Old 02-15-2014, 01:09 AM
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Does brake fluid mix with engine oil?

Just asking, I never tried - or had to


Old 02-15-2014, 05:21 PM
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Originally Posted by MR.T
Just be careful not to mix it up with your cooking oil once you're in the kitchen.. Ha.
lmao
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