I apologize, but I couldn't find any specific information regarding widespread issues with the Nissan Juke's air conditioning system specifically not working when the car is hot. It's important to note that individual vehicles can experience unique problems, and it's always recommended to consult with a qualified mechanic or contact a Nissan dealership for accurate diagnosis and assistance.
That being said, there are a few general reasons why an air conditioning system may not work effectively when the car is hot:
Insufficient Refrigerant: The air conditioning system requires an adequate amount of refrigerant (commonly known as "Freon") to operate properly. If the refrigerant level is low, it can lead to reduced cooling performance, especially when the ambient temperature is high.
Faulty Compressor: The compressor is a crucial component of the AC system that compresses the refrigerant and circulates it through the system. If the compressor is faulty or not functioning correctly, it may result in inadequate cooling.
Electrical Issues: The AC system relies on electrical components, such as relays, switches, and wiring, to operate effectively. Electrical problems, such as a faulty relay or damaged wiring, can prevent the AC from working correctly.
Cooling Fan Problems: The engine cooling fan plays a vital role in maintaining the proper temperature for the AC system to function optimally. If the cooling fan is not working correctly, it can lead to overheating and reduced AC performance.
Clogged Condenser: The condenser is responsible for releasing heat from the refrigerant. If it becomes clogged with debris or dirt, it can hinder the system's ability to cool the air effectively.
These are just a few possibilities, and there could be other factors contributing to the issue. If your Nissan Juke's AC system is not working properly when the car is hot, it's recommended to have a professional mechanic inspect and diagnose the problem to determine the exact cause and recommend appropriate repairs.