radiator

[densmolina]

need your help! just put on new radiator and thermostat on my nissan quest 94 reason that i change the old because its has a little leaking but the temperature is stable when i start my engine with new radiator the temperature is raising up very rapidly i beleive it will overheat.there,s no leak on my water pump.what do you i should?

[SmithSR]

You need to find out what the coolant temp is actually at when the gauge creeps toward hot.Most of the time the temp sender goes bad.Is the cooling fan inop?Usually the cooling system has trapped air after a DIY radiator change. There are several basic things to look for.