Grand Vitara 2WD V6-2.5L (2004)
4. Check thermostatic movement of wax pellet as follows:
a. Immerse thermostat (1) in water, and heat water gradually.
b. Check that valve starts to open at specific temperature.
c. If valve starts to open at a temperature substantially below or above specific temperature, thermostat unit should be replaced with a new one.
Such a unit, if reused, will bring about over cooling or overheating tendency.
