Don't know about the intercooler tank but on a 5.0 car when the car is running before it starts blowing coolant out if it has air bubbles in the overflow tank like that it either has a blown head gasket or cracked head 9 times out of 10 it the head gasket. Does the intercooler tank have anything to do with the coolant system as far as the radiator, water pump ect. ?
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