Guys I need a suggestion, I have 2008 cultus and from year I have headgaskit prob, I have fixed almost 6,7 times, it's working fine now I travel almost daily Islamabad to Peshawar,, the radiator fan is dirct, I use coolent, the radiator water level doesn't does down,, but I see small bubbles open radiator cap, I haven't used AC in this summer,, so should I fill up the AC gas and use AC or not,, my machenic says to sell this and I am not in situation to buy any other car, and he says you have to change the whole head, which is very costly and after that the radiator will stop bubble,, or should I change the machenic who can solve this head gasket problem,, need you suggestion guys thanks