we are already go to service centre, the water line by-pass already. If transmition in D position It's ok. so, the speed i'm runing in 75-80 km/h, is over 80 km/h, temp. is hight. also the engine like no power. if trasmition in 2 and L position, the temp. is overheating. also if trasmition in D potion, so, is road jam also overheat. please send me solution. Thanks