So I just got my first 4runner 99 with 128 miles on it the guy befor me replace the radiator and thermostat it doesn' shift hard but when I got home I let it cool off an pulled the radiator cap a the water was low so I put water in just to get me by for the day till I could get antifreeze an when I pulled the cap off it was a little pinkish red all most like rust colored

 

An the trans fluid looks fine an the water didn' smell like anything