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rosanne 7/10/2010
2007 Toyota Avalon XL 6Cyl3.5L - Transmissions & Drivetrains
why is my antifreeze disapearing and no leaks have been detected. The pressures have been tested and they are normal.
1 Answer
  • HouseCallAuto
    HouseCallAuto 7/10/2010
    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.

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