2007 Toyota Avalon XL 6 Cyl 3.5L
Transmissions & Drivetrains
why is my antifreeze disapearing and no leaks have been detected. The pressures have been tested and they are normal.
I'll bet there is a leak and you just can't find it. It does not evaporate. Try pressure checking the system when it has sat overnite and not been run since the previous day.