ok i have a f22a and recently the car has been overheating at idle but when i rev it to 1500 rpm it goes down i dont know what could be the problem i was thinking the water pump but wanted to chek with you guys suggestion and see.On the other hand i already replaced the thermostat, got spoon radiator cap, koyo racing radiator and new coolant and bleed it and its still does that same thing.Also another problem had occuredd after i havent driven the car for weeks now that i start it up the idles surge up and down like ih ave a vacumm leak and it still over heats .

 

bump

 

Bleed it some more.....