How do you change the Thermostat in a 2002 Nissan Xterra?
To change the thermostat in a 2002 Nissan Xterra, remove the
bolts that hold the cooling fan in place. Lift the fan out of the
vehicle and loosen the clamp holding the lower radiator hose to the
thermostat housing with a wrench. Remove the thermostat out of the
mounting and replace.