When summer heat rolls in, a properly functioning air conditioning system becomes crucial for comfort during your drives. Unfortunately, vehicle AC systems can develop issues over time, leading to poor performance or complete failure. If your car’s AC isn’t keeping you cool, it may be time for professional repair. AtYanis Foreign Auto Repair, our local mechanics provide expert European car AC repair in the greater Hyannis, MA area. Here are four common signs of an auto AC issue.

Unusual Noises During Operation

Your car's AC system should run quietly. If you hear strange noises such as rattling, grinding, or squealing when you turn on the air conditioning, something is likely wrong. Such sounds could be caused by a failing compressor or a loose belt. Ignoring unusual noises could lead to more expensive repairs, so it’s best to have your system checked as soon as possible.

Weak or Warm Airflow

One of the most noticeable signs of a struggling AC system is weak or warm airflow coming from the vents. If your AC is blowing air that isn’t as cold as it used to be, or if the airflow feels weaker than normal even at the highest fan setting, there may be a problem with the compressor, a clogged filter, or a refrigerant leak. These issues reduce the system’s ability to cool the cabin and should be diagnosed by a technician before they worsen.

Foul Odors Coming from Vents

If unpleasant smells are coming through the vents when you turn on your AC, you might be dealing with mold or bacteria buildup inside the system. This often happens when moisture accumulates in the evaporator coil or air ducts, creating an environment for unwanted growth. Not only is this unpleasant, but it can also negatively affect air quality in your vehicle. A professional cleaning or replacement of the cabin air filter may be needed to eliminate the odor.

AC Turns On and Off Intermittently

An AC system that turns on and off unpredictably can be a sign of electrical issues or problems with the compressor clutch. Inconsistent operation makes it difficult to maintain a comfortable temperature in your vehicle and can indicate an underlying issue that requires diagnostic work. Getting the system evaluated early can help prevent a total breakdown of your AC.

European Auto AC Repair in Hyannis, MA

When you need European auto repair in Hyannis and the surrounding area, contact Yanis Foreign Auto Repair at 508-266-5842. At our local auto shop, we provide expert auto repair for European vehicles. Feel free to give us a call to make an appointment!