Editorial Reviews:
Synopsis
Directions:
1. When engine is cool, remove radiator cap.
2. If needed, drain down the antifreeze to allow enough capacity for Blue Devil.
3. With engine idling, turn heater to max and pour bottle of Blue Devil into the radiator.
4. Replace radiator cap.
5. Idle vehicle for 30 minutes maintaining normal operating temperature.
6. Top off radiator with antifreeze and/or water. Blue Devil can remain in system.
