This is most likely your coolant.
Transmission fluid is pink.
The pink fluid is most likely transmission fluid.
If it is an automatic transmission than it should be pink. Dexron tranny fluid is a pink to dark red fluid. If it changes from pink to orange or black, than you need to worry. Pink can also be bad. If your automatic transmission fluid is looking like a strawberry milkshake pink, then you may need to overhaul your tranny. The discoloration is due to water getting into the transmission, most of the time it is because there is a broken line where your tranny fluid goes to cool off in the radiator.
Blood
trans fluid,power steering fluid,dex-cool antifreeze
Pink could be coolant or transmission fluid. You need to find the source to know what is leaking.
You have a leaking transmission cooler, usually part of the radiator. The transmission fluid is mixing with the antifreeze turning it pink.
The trans fluid will take on a pink, milky look.
The Good: Transmission fluid comes out of the bottle dark red, to a lighter red like pink. Could be nothing. The Bad: Water got into your transmission and has produced a milky pink, like strawberry milkshake.
It depends on the fluid. Antifreeze is a different color from engine oil.
sounds like automatic transmission fluid
Water or antifreeze.