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A Guide To Troubleshooting Your Car’s AC

It’s that time of year again when you count on your car’s AC to keep you (and your passengers) comfortable and safe during car rides. So if it isn’t working correctly, that could ruin your whole day…even your whole summer.

Here are some troubleshooting tips if the AC in your car is acting up.

If The Airflow Is Weak

There are a number of possible reasons for weak airflow. Mold may be accumulating in your evaporator core, or the blower hose which supplies air to the AC unit could have come loose. To prevent further damage, it’s best to bring your car to a certified mechanic as soon as you notice a diminishing airflow.

 

If the Air Starts Cool, Then Gets Warmer

Again, there are a number of issues that can cause this problem. Some of the most common causes involve the expansion valve, the orifice tube or the compressor.

Your first step is to use a pressure gauge to detect any problems with the expansion valve or to find any loss of refrigerant.

 

If You Need To Test For Leaks

Most AC problems are related to leaks in some way. You can pick up a UV AC leak detection kit and simply follow the directions on the package to find the source of the leak.

 

If It Stinks Like a Gym Locker

If your AC emits a nasty odor, the culprit may be an old or dirty cabin filter or mold on the evaporator case.

 

If the Air Is Cool, But Not Cold

Remember that your car’s AC adjusts to the temperature outdoors, so if you feel like the air’s not getting cold enough, ask yourself if it has to do with the ambient temps. If not, the problem is most likely due to a leak or to a problem with the expansion tube or orifice valve.

Need help staying cool in your car this summer? Reach out to the professional certified mechanics at McKinney Motor Company today, and we’ll get you on the road in comfort.

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