Auto A/C Repair 101: What to Do When Your Car’s A/C Won’t Turn On 

Keeping Your Cool in the Heat 

Common Reasons Your Car’s A/C Isn’t Working  

There’s nothing worse than getting into your vehicle when it’s 90 degrees outside in a North Carolina summer and realizing your auto A/C system is blowing hot air. Rolling down the windows isn’t a real solution and letting the problem linger only leads to more costly auto A/C repair needs down the road. There are many reasons your A/C might not be working. Common causes include refrigerant leaks, low refrigerant levels, a worn or broken serpentine belt, electrical issues, or just age and excessive wear. Poor maintenance is another culprit, like letting debris clog the condenser or skipping routine service. A failing serpentine belt won’t drive the compressor correctly, while low refrigerant can keep it from turning on at all. Electrical issues, such as faulty relays or sensors, can also cause power to be cut off. The good news? These are all fixable problems, especially with the ASE-certified team at Genuine Car Care Center, where we handle auto A/C repair quickly and correctly. 

When to Get the Professionals Involved 

It’s best to get a professional mechanic involved from the start. Today’s vehicles are complex, and proper diagnostics are crucial for accurately identifying issues. At Genuine Car Care Center, our skilled technicians have seen it all and have everything they need under one roof to diagnose and complete your auto A/C repair. This saves you time and money. One of the most common reasons your A/C compressor won’t turn on is a low refrigerant level, and while DIY kits may seem like a quick fix, we don’t recommend them. Many include sealants that can clog components, such as the evaporator core or orifice tube. When charging your car’s A/C, the right tools and knowledge matter. We’ll inspect the system, recharge the refrigerant, and get you back on the road, all while you wait. Our team repairs faulty compressor clutches, replaces sensors, corrects electrical issues, and replaces defective compressors. We also diagnose engine fault codes and misfires that may keep your compressor from engaging due to voltage or power issues. From expansion valves and radiator fans to orifice tubes, we’ve got your A/C system covered. 

Preventing Future A/C Failures: Maintenance Tips  

Routine maintenance can go a long way in preventing auto A/C repair issues. Turn on your A/C occasionally in the winter to keep seals lubricated and components moving. Check your cabin air filter and avoid spraying cleaners directly into the vents, as this can clog the filters. In summer, gradually turn up the A/C and park in the shade when possible. For peak performance, follow your manufacturer’s recommended maintenance schedule. At Genuine Car Care Center, we offer comprehensive A/C checkups. We’ll inspect refrigerant levels, test the compressor belt, clean the condenser and evaporator, check all hoses and seals, and replace HVAC filters as needed. Staying on top of these details ensures your A/C turns on when you need it most. Let our team help you stay cool—stop by Genuine Car Care Center in Kernersville, NC, for trusted auto A/C repair and maintenance today!