I completely rebuilt my engine about 30,000k ago is a dx 1.5 engine everything was working fine till now is just starting overheating at first it was the head gasket it was missing one of the alignment pins and the head gasket move a little bit change the head gasket again everything is working fine but it over heats sometimes and the radiator resevord overfloads with coolant took out the thermostat and when I turn the car on it doesn’t take only about 1min for the temperature needle to go up all the cooling sensor have been replace water pump new radiator I check the head gasket and is fine and the fan is running strait now I don’t know what to do if I need a flush maybe there something stuck inside the cooling channels or maybe the head is WARPED I don’t know People please help me out!!!!!!