ATF fluid in engine oil crankcase

Joined
Sep 10, 2020
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5
When topping up the crankcase, I grabbed the wrong bottle and accidentally poured about 1 cup (don't think it was more than that) in the engine oil crankcase before I noticed the color was red. How hazardous is this, do I need to do an oil change immediately? I have had to drive about 60 miles alreadly.
 
Dexron, Dexos, whatever.

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Given how many here like to dump in MMO and who knows what else, I can't see how this will end badly. Just motor on and forget about it.

Does this use any oil? Might in and out before long anyhow.
 
Oil no problem. Antifreeze, brake fluid, windshield washer fluid are the only things that would warrant an immediate change.

Rod
 
Ain't no joke....

Rubber worms do catch the highest percentage of trophy bass...

I'm a crankbait fan/user myself.
 
When topping up the crankcase, I grabbed the wrong bottle and accidentally poured about 1 cup (don't think it was more than that) in the engine oil crankcase before I noticed the color was red. How hazardous is this, do I need to do an oil change immediately? I have had to drive about 60 miles alreadly.
1cup to 5qts total? Motor on.

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