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Armada starts to over heat when a/c is on and at idle or stop and go traffic. Temperature goes back down when driving again

(2010 Nissan Armada)
in Chicago, IL on July 10, 2018
Problem only occurs when a/c is on and idle. When a/c is turned on radiator fan comes on as it should. I have replaced the thermastat, engine coolant sensor and radiator cap.
What seems to make the problem better or worse? Overheating comes down when driving again
Tags: nissan, armada
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Popular Answer
If while driving the heat level decreases it could be the water pump or a blockage in the radiator or restriction of airflow to the radiator.
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Coolant Leak Diagnosis
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If while driving the heat level decreases it could be the water pump or a blockage in the radiator or restriction of airflow to the radiator.
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