When the temperatures rise, you rely on your car's air conditioner to keep you comfortable. So when the air coming out of your vents isn't as cool as it should be, you might be wondering why. Typically, a car's AC doesn't die without warning, and identifying the symptoms before it gets worse can save you money in auto repairs. Here are three signs your vehicle's AC needs to be serviced.

3 Common Signs of a Broken AC

1. Vents Blow Hot Air

Your car's AC uses a chemical called refrigerant to quickly chill the air before sending it into your vehicle. If your vents are blowing warm or hot air, it's often an indication of a refrigerant leak caused by a worn or damaged seal, a broken hose, or a faulty cooling line. In some cases, a malfunctioning thermostat can be to blame. An auto repair shop can identify the cause.

2. Foul Odors

If your vehicle produces a musty odor when you run the air conditioner, it's often a sign that there’s a buildup of bacteria or mold in the system. Both age and heavy air conditioner use cause moisture on your car's evaporator panel, leading to mold and bacteria development.

If there’s a foul odor in your vehicle, don't wait to have it repaired. Prolonged exposure to mold can lead to respiratory illnesses.

3. Strange Sounds

Your car's air conditioner uses a part known as a compressor to pressurize the system's refrigerant lines. If your AC compressor makes rattling noises, it's often a sign that it’s beginning to fail. Your air conditioner also relies on a system of belts and pulleys, which can make grinding, roaring, or squealing sounds when they begin to fail due to wear. 

If your air conditioner needs service, contact the professional mechanics at Continental Motors in Greensboro, NC. For over 30 years, their skilled and knowledgeable auto repair team has provided routine vehicle maintenance, inspections, and repairs with a dedication to customer satisfaction. Call (336) 275-4791 to request a free estimate or visit them online to learn more about their services.