hi i've got a v reg galaxy 2.3 auto and it's started to overheat i've had the sensor thingy changed to no avail it started off by not getting very hot then it started overheating (thermostat possibly ?) can anyone help ?? also if it is the thermostat where would i find it ? are they in the same place on all galaxys as i did read another thread but haven't got a clue what i'm looking at !!