2001 nissan altermia when put the air cond on the car runs hot the niddle goes all the way up like it over heating changed all the partes in cooling system and even put in bigeer rad was fine after that last yr now it starting again when i put the air on in the car any ideaswhy even checked for head gasket leak none
Are both radiator cooling fans running when the A/C is engaged? If not... that's a problem. If they are running... then check your radiator coolant level. If it's low... that's a problem. If the radiator is full... then you should start thinking about poor radiator heat transfer efficiency... plugged up radiator?... restricted airflow through radiator?
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