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No, but they can cause it to overheat
That would be "bleeding" the system.
Bleeding
It can prevent coolant flow, which can cause a catastrophic overheat.
By bleeding the coolant system.
By bleeding the brakes.
Air bubbles remaining in the system
Air bubbles still trapped in the system
It sounds like your cooling is not working when you turn on the a/c system...........
It probley has an AIR pocket in the cooling system. Bleed the air out of the system and make sure it is full of fluid.
if the pump and thermostat have been replaced on a 2001 malibu and it overheats and the heat doesnt work now but the air does. do it need bleeding still , will air in the line still cause that problem...
Under normal conditions a modern vehicle should not overheat when the air conditioning system is on. The first steps to investigating this condition are ensuring correct coolant level, condition, flow and thermostat actuation.