Should I run the car with the radiator cap off to allow air bubbles to escape?

Should I run the car with the radiator cap off to allow air bubbles to escape?
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1 Answer

Answer :

as log as you have it connected correctly, with a reserve tank, it will expel the air on it’s own with the cap in place. It is common to fill the radiator and run the engine with the cap off until it cycles at least once, to get the bulk of the air out.
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