Normal
It’s entirely possible, depending on how the truck has been used over 100k miles. If operation included extreme hot or cold temperatures, towing, extensive idling, off road use, etc, the coolant should have been changed at 60k miles per the “severe” schedule.However, being only a 5-6 year old truck, it will probably be fine if you had the system flushed and refilled with Motorcraft Yellow, which replaced Orange.
It’s entirely possible, depending on how the truck has been used over 100k miles. If operation included extreme hot or cold temperatures, towing, extensive idling, off road use, etc, the coolant should have been changed at 60k miles per the “severe” schedule.
However, being only a 5-6 year old truck, it will probably be fine if you had the system flushed and refilled with Motorcraft Yellow, which replaced Orange.
