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Originally Posted by davemac2
Toyota long life coolant is red so that is the color it should be.
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like he said Toyota long life COOLANT (or antifreeze) is red. That is what should be put in your car. If that's not what's in there, that's what you should put in there.
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Originally Posted by davemac2
A Brown color could indicate a mix of some oil in there
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If you have a bad (head) gasket, oil would go into your coolant and make it brown. Coolant would go into your oil and hinder its performance. Do you see little brown spots in your coolant reservoir? Does your car constantly smoke?
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Originally Posted by davemac2
Never-the-less, I would change it now if you don't have any records.
dave mc
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Agreed.
Regardless of what brand or color the coolant was when it was new, it sure shouldn't be brown. It is possible that the brown is not due to oil, but is just (really really) old. Replace it before you start plugging the radiator, or boiling or rusting...Toyota long life coolant seems to be the way to go, but you probably won't really be worse off with good green stuff. Remember, 1/2 DEIONIZED water, 1/2 coolant. Don't just stick water from a garden hose in there, you're asking for trouble.