Inspect all hoses and replace as necessary, also inspect radiator for leaks. Refill and pressure test once all hoses are fixed.
My concern is that the engine should not overheat because of idling 20-30 min.
You have a bad waterpump, cooling fan not working, thermostat, etc.
There is also a high probability that the head gasket is bad after idling without coolant for 15min.
Wednesday, April 8th, 2009 AT 9:21 AM