I just replace thermostat,tempeture sensor sender unit,fill radiator on 2003 Nissan 350Z

the tempeture gauge inside still gion hot after 5 min again the car runs smooth and perfect what can posible do to fix this problem the car just have 68000 milles

Asked by for the 2003 Nissan 350Z
2 answers
check the cooling fans
check to make sure you dont have AIR trapped in the system,,