What does a bad radiator overflow tank mean?
What does a bad radiator overflow tank mean? Since the engine is affected by a bad radiator coolant overflow tank, you should notice the Check Engine warning light illuminate on your dashboard whenever there is a problem with the tank. The needle of the tachometer will also show it toward the red zone, which means your engine is overheating. Why is there sludge / slime in my radiator? Mixing of incompatible coolants can cause the additives to “drop out” of the solution and form radiator sludge or slime. Contaminated coolant: A bad head gasket or cracked cylinder head can allow...