Good evening guys, 

looking to see if anyone can help with a problem i have with my 13 plate Astra J SRI, 

For a while the radiator fan was staying on (common issue i know), i didnt do anything about it until recently, 

I have replaced the thermostat and housing, the temperature sensor, checked that all the fuses are intact, removed the sensor from the air filter and still nothing from the fan, 

I kept getting the message "coolant level low - add Coolant" i replaced the expansion tan