you should check to see that heater hoses are connected through the fire wall and they are connected to the heater core.
it is a hyndai that's why it is a hyndai that's why
Air in the system could also cause this
air block in heater hose most likely bleed it
Water pump maybe?
need to know what type of vec. 1992 Mercedes s500 sel
water pump
flush the system and change thermostat,this should fix problem. I flushed mine and i changed coolant and thermostat,it is now fine.
I have a promblem with that too, my car would overheat very fast, it was a faulty NEW thermostat. It still runs hot, I think I need a new water pump
2000 Pontiac grand am se keeps over heating I changed the water pump, the thermostat, radiator cap, head, and it is still over heating. make sure thermostat is going the right way , spring gose to the motor
my 2001 ford windstar is still overheating even though i changed out the thermostat. what could it be?
check the water pump
Sell It!!!!!