Few things are worse than hopping into your car on a hot day, cranking up the air conditioning, and getting nothing but warm air. If your car’s AC isn’t working properly, don’t sweat it—literally! There are several common reasons why your car’s air conditioning system might not be keeping you cool. Let’s break them down and explore how to get your AC back working efficiently.

Low or Leaking Refrigerant
Refrigerant is the lifeblood of your AC system. If your refrigerant levels are low, your AC won’t be able to cool the air properly. The most common cause of low refrigerant is a leak, which can happen due to worn-out hoses, seals, or connections.
How to Fix It:
If your AC isn’t cooling like it used to, you may need a refrigerant replenishment. However, simply refilling the refrigerant won’t solve the problem if there’s a leak. A professional AC inspection can help locate and fix any leaks before recharging the system.
Faulty Compressor
The compressor is the heart of your car’s AC system and is responsible for circulating refrigerant and maintaining pressure. If it’s not working properly, your AC won’t be able to produce cold air.
How to Fix It:
A failing compressor often gives warning signs, like loud noises when the AC is on or inconsistent cooling. If you suspect an issue with your compressor, have it checked by an automotive professional. In some cases, replacing the compressor may be necessary.
Clogged or Dirty Cabin Air Filter
Your car’s cabin air filter keeps dust, pollen, and debris from entering your vehicle. But when it becomes clogged, it can restrict airflow and make your AC feel weaker than usual.
How to Fix It:
Luckily, this is an easy fix! Check your owner’s manual to find the location of your cabin air filter and replace it if it looks dirty. A fresh filter can improve airflow and help your AC work more efficiently.
Malfunctioning Blower Motor or Fan
If your AC turns on but you’re not getting any airflow, the issue might be a faulty blower motor or fan. These components push air through your vents, and if they stop working, you won’t feel any cool air inside your car.
How to Fix It:
Listen for unusual noises when you turn on the AC—grinding or rattling sounds could indicate a problem with the blower motor. If airflow is weak or nonexistent, a mechanic can inspect and replace the motor or fan if necessary.
Electrical Issues or a Blown Fuse
Your car’s AC system relies on electrical components to function properly. A blown fuse, faulty wiring, or a broken relay can prevent the system from working altogether.
How to Fix It:
Check your car’s fuse box to see if any AC-related fuses have blown. If replacing a fuse doesn’t solve the problem, you may need an expert to diagnose and repair electrical issues in the system.
Let Ken’s Automotive & Transmissions Fix Your AC
Don’t let a broken AC ruin your drive—especially in the middle of summer! If your car’s air conditioning isn’t working as it should, bring it to Ken’s Automotive & Transmissions. Our expert technicians can diagnose the problem, provide fast and reliable repairs, and get you back on the road feeling cool and comfortable. Contact us now to schedule your AC service and get back to being cool on the road.