関連ワード:  what is refrigerant coolant    what is refrigerant coolant in a car    what is refrigerant coolant made of    what is coolant refrigerant liquid    what color is refrigerant coolant    what is refrigerant vs coolant    what does refrigerant coolant smell like    what does refrigerant coolant look like    what is coolant liquid refrigerant nissan    what is the difference between refrigerant and coolant