No, antifreeze is green or pink. If your antifreeze is brown (its rust) you to flush and clean your cooling/heating system. No, antifreeze is green or pink. If your antifreeze is brown (its rust) you to flush and clean your cooling/heating system.
You may have a head gasket problem or a cracked head, engine oil is mixing with the antifreeze.
I think that means it fermented or something
You would get BROWN antifreeze, which would be difficult to see rust colors in. The bright green of antifreeze is designed to warn people what it is, because it is harmful or fatal if swallowed.
Time to replace since corrosion inhibitors broken down.
It is supposed to be red (Dexcool), brown means it got burnt when the engine got hot
If you waited until the coolant is brown you waited too long. Have the system professionally flushed at that point.
My initial thought is that oil has entered the water jackets in the engine. Probably caused by a blown head gasket.
I have seen pink, red, orange, blue, purple, green, and yellow. They all turn brown if not changed when required.
Sounds like you may have a bad head gasket and or a cracked head. Have the cooling system pressure tested soon.
Antifreeze is a poison. It can kill you.
no, why would it have antifreeze?
There is no clear colored antifreeze.