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When the car is cold the thermostat is closed. When the thermostat is closed the coolant does not circulate or get in to the engine block.
After coolant is added run vehicle to normal operating temperature and re-check coolant level
The bigger your car, the more coolant you need to put in. The bigger your engine and car, the more coolant you need
It could end up popping the reservoir cover off and "burping" the excess coolant out.
What happens when you put windshield washer in the coolant in a Grand prix Pontiac
No , when the engine is cool
put coolant into my over flow car was running hot and the coolant erupted like a volcano on the side of the over flow
In the coolant reservoir when the engine is cool.
I would have the cooling system flushed and coolant replaced. DEF is very caustic.
you run the risk of major bearing fatlure.
Clean water should be used and mixed with the proper coolant for your car.
Nothing, just don't make a habit of it.