The vehicle takes time to blow hot air even when it is 40 degrees ambient temperature.
where would the thermostat be located on a 2006 nissan xterra. on 2006 Nissan Xterra
the thermostat is located in the housing that the lower radiator hose attaches to, i believe. you have to replace the housing an thermostat as an assembly, i believe. is your temperatur gauge move towatrds the middle or stay near the cold mark?
it move towards the middle...