What causes the Infiniti Q50L air conditioner to blow cold on one side and hot on the other?

1 Answers
McLiam
07/30/25 3:26am
When a car's air conditioner blows cold on one side and hot on the other, it is usually due to insufficient refrigerant. When the refrigerant is low, the evaporation and heat absorption process of the liquid refrigerant entering the evaporator ends prematurely. This results in one side of the evaporator absorbing heat and cooling, while the other side does not absorb heat at all. Consequently, only a small portion of the airflow from the blower is cooled, creating a temperature difference between the air coming out of the vents on each side. Below are some tips for air conditioner maintenance: 1. Comprehensive inspection of the air conditioner: When using the air conditioner for the first time in summer, inspect the air conditioning system thoroughly. Check the refrigerant level via the reservoir, see if the cabin air filter is too dirty, and ensure there are no obstructions in the radiator. 2. Pay attention to cleaning the air conditioner: The cabin air filter should be replaced regularly to prevent moldy odors. Additionally, the condenser should be cleaned periodically, and for a thorough cleaning, the radiator should be removed.
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