im thinking the troll is feeling the affects of the 220 roolites mounted on bullbar in front of grill, went for a hour n half drive in 30+ heat country driving today and clutch fan was working 98% of the time with aircon on... i remember last summer it didnt work that hard coming on for a few minutes n so on... factory temp gauge so its always sitting on half.. troll totally stock apart from electric usual goodies