Trooper S 4WD V6-3.5L (2002)
2. If antifreeze solution is used at a mixing ratio higher than 60%, the specific heat of the coolant falls and the engine may be overheated. Moreover,
antifreeze performance drop and the coolant may be frozen. The density of the solution must be adjusted as occasion calls.
Antifreeze solution lower than 20% may not have sufficient anticorrosive performance, and therefore, please never fail to adjust as occasion
demands within the range of 20% to 60%.