Air Conditioning Articles 1
Air Conditioning FAQs Why is my A/C not blowing cold air? One of several things can prevent your vehicle's A/C system from blowing cold air. The most common reason for no cold air is no or low refrigerant in the A/C system (usually because of a refrigerant leak). Another cause might be that your A/C compressor is not engaging when you turn the A/C on. The underlying cause for this could be low refrigerant in the system, a defective compressor clutch, or a blown compressor clutch fuse. Another possible cause of no cooling could be a defective or stuck air flow control flap inside the HVAC system that prevents air from circulating through the A/C evaporator core. The system is cooling but the cold air is not being routed into your vehicle. For additional help see Troubleshooting an A/C system that blows warm air Why is my A/C system low on refrigerant? A/C systems are pressurized and are not supposed to leak. But over time, seals and hoses can deteriorate allowing refrigerant to leak...