Checking radiator level
Drove 3000+ miles, on last 56 miles, temp outside dropped to -5, heater was
not blowing hot. Car acted like it was going to die. Kept running, how do I check
radiator fluid. Overflow is empty, how do I add coolant, what level?
keep adding fluid till full..get all the air out..yep you need water for that heater...and hope you didnt cook the engine any
Add it to the overflow and run the car till warm, the coolant will get sucked into the radiator. Recheck the level for a couple days/drives to make sure it stays over the minimum line in the reservoir. If it keeps going down, you have a leak. Replace the part that is leaking.
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