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Beginner’s Guide to Car AC Maintenance in Jonesboro, AR

Published on
June 26, 2024

Why Car AC Maintenance is Important

You must regularly maintain car AC. Why? Because the last thing you want on a hot day is no cold air. That is why having your car’s air conditioning is crucial. Plus, it also offers several benefits beyond just cooling the cabin.

At D & R Automotive, our certified mechanics understand the importance of proper vehicle AC maintenance. We have years of experience and expertise. We are committed to providing top-notch services and to share our knowledge on the matter of maintaining your car’s AC, especially if your car’s AC is not cooling.

One of the primary advantages of regular AC maintenance is improved efficiency. Over time, parts of the AC system can wear down or become clogged. This leads to less cooling and higher energy use. Professional regular maintenance lets our mechanics find and fix issues early. This keeps your AC running at its best.

Moreover, a well-maintained AC system enhances the overall air quality inside your vehicle. If you happen to neglect maintenance it leads to mold, bacteria, and other contaminants in the system. Those nasty contaminants can flow through the vents and harm the air that you breathe in the vehicle. Yuck!

Regular air conditioning maintenance on your car, truck, or SUV helps by cleaning and disinfecting to eliminate pollutants. It provides you with a fresher and healthier driving environment.

Also, maintaining your car’s AC well can extend the life of its parts. This will save you from costly repairs or replacements later. Trust us, we know how much over the lifespan of your vehicle how much it can save you.

Our mechanics thoroughly inspect and service all parts of your car's AC system. They work on the compressor, condenser, refrigerant lines, and evaporator by fixing small issues quickly. Our goal is to stop them from becoming big and costly problems.

If you are looking to maintain your vehicle’s air conditioning system, then let’s start at the beginning of your car’s AC components and how they work.

Brief Overview of Car AC System Components and Working Principles

A car's air conditioning system is designed to provide cool, dry air inside the cabin. It ensures a comfy driving experience. It consists of several key components that work together to remove heat and moisture from the air.

First is the air compressor. The compressor is the heart of the AC system. It compresses the refrigerant gas, increasing its pressure and temperature. The hot, compressed refrigerant then flows through the condenser. It gives off heat to the outside air there. This causes the refrigerant to condense into a liquid.

Then, you have the liquid refrigerant. The liquid refrigerant then passes through the receiver/drier. It filters out any water or dirt. Next, it enters the expansion valve. There, the pressure and temperature drop a lot like a mind blowing temperature drop.This makes the refrigerant become a cold, low-pressure liquid/gas mix.

Next, is the cold mixture that is just created. This cold mixture then travels through the evaporator, where it absorbs heat from the air blown across it by the blower fan. As the refrigerant absorbs heat, it changes into a gaseous state, and the air becomes cooler and dehumidified.

The now gaseous refrigerant returns to the compressor, and the cycle repeats. The cooled air is then distributed throughout the cabin via the vehicle's ductwork and vents.

As you can seen, there are a lot of moving parts that could break down the road if you do not regularly maintain your vehicle’s air conditioning. When maintaining a vehicle’s AC system is done right, it includes checking for leaks, ensuring proper refrigerant levels, and replacing worn components.

So, what signs would be occurring for you to start maintaining your car’s AC?

Signs Your Car's AC Needs Maintenance

As a car owner, it's crucial to be aware of the signs that indicate your vehicle's air conditioning system requires maintenance. Ignoring these warning signs can lead to further complications and costly repairs down the line. Here are some common indicators that your car's AC needs attention:

Strange Noises

If you hear unusual noises coming from the AC system, such as grinding, squealing, or rattling, it could be a sign of a problem. These sounds may indicate issues with the compressor, bearings, or other components. Addressing these noises promptly can prevent more severe damage and ensure a smooth-running AC system.

Weak Airflow

When you turn on your car's AC, you expect a steady stream of cool air to circulate throughout the cabin. However, if you notice a big drop in airflow, it could be a sign of a blocked condenser, clogged air filters, or a problem with the blower motor. Weak airflow not only compromises your comfort but can also strain the system, leading to further issues.

Unpleasant Odors

If you detect musty, moldy, or unpleasant odors coming from the vents when the AC is running, it could indicate the presence of mold or bacteria growth within the system. This issue often comes from excess moisture buildup. It can be caused by many things, such as a refrigerant leak or a clogged drain tube.

Five Potential Causes of AC Issues

The signs mentioned above can stem from various underlying causes, including:

1. Refrigerant Leaks: Refrigerant is the lifeblood of your car's AC system. If there's a leak, it can lead to a lack of cooling, increased strain on the compressor, and potential system failure.

2. Electrical Issues: The AC system relies on various electrical components, such as sensors, relays, and the blower motor. Electrical faults or malfunctions can disrupt the system. They cause issues like weak airflow or a complete failure.

3. Compressor Failure: It is the heart of the AC. It circulates the refrigerant. If it fails, the entire system will be unable to function properly, resulting in a lack of cooling or no cooling at all.

4. Condenser Problems: The condenser plays a crucial role in dissipating heat from the refrigerant. If it becomes clogged or damaged, it can restrict airflow and impair the system's efficiency.

5. Blocked or Damaged Hoses and Lines: The hoses and lines that carry the refrigerant can become blocked or damaged over time. This can lead to leaks or restricted flow, which can harm the AC system's performance.

Solving these issues soon is vital. It ensures your car's air conditioning lasts and runs well. If you notice any of these signs, it's advisable to have your vehicle inspected by a professional automotive service provider.

How Often Should You Service Your Car's AC?

It is crucial to make sure your vehicle's air conditioning system works well. There's no one-size-fits-all answer because a car’s AC system could last eight to ten years before needing repairs. But, most experts recommend servicing your car's AC system once a year.

However, several factors can change the recommended maintenance intervals for your car's AC system:

Driving Conditions: If you frequently drive in hot and humid climates, your AC system may require more frequent maintenance. Extreme temperatures and high humidity can put additional strain on the system, potentially leading to faster wear and tear.

Vehicle Age: Older vehicles may require more frequent AC maintenance than newer models. As components age, they become more susceptible to issues like leaks, wear, and reduced efficiency, necessitating more frequent checkups and repairs.

Usage Patterns: If you heavily rely on your car's AC system, it may require more frequent maintenance. Vehicles used for ridesharing, delivery services, or other occupations that involve extended periods of AC usage may need more frequent servicing.

Maintenance History: If your car's AC system has a history of issues or hasn't been serviced regularly, it may require more frequent maintenance to address any existing problems and prevent further deterioration.

To keep your car's AC working well and lasting long, follow the maker's maintenance schedule. Also, consult a professional service provider like D & R Automotive. Our certified mechanics can assess your vehicle's needs by providing custom maintenance recommendations based on your driving conditions, vehicle age, and usage patterns.

Car AC Maintenance Tasks for DIY Car Owners

If you take a proactive approach and do it yourself, you can extend your AC system's life. You can also improve its efficiency and ensure a comfortable driving experience.

One of the most accessible maintenance tasks for car owners is cleaning the condenser. Located in front of the radiator, the condenser is responsible for dissipating heat from the refrigerant. Over time, dirt, debris, and bugs can accumulate on the condenser fins, reducing its ability to release heat effectively. Gently cleaning the condenser with a soft brush or compressed air can help restore optimal airflow and efficiency.

Another simple task is replacing the cabin air filter. This filter is responsible for trapping pollutants, dust, and allergens from entering the cabin through the AC system. A clogged cabin air filter can not only reduce airflow but also circulate unpleasant odors throughout the vehicle. Consult your owner's manual for the recommended replacement interval. Follow its instructions to change the filter yourself.

Most car owners can do these basic tasks. But, you and every car owner must know when to get professional help. If you notice any of the following signs, it's time to seek the expertise of a certified mechanic:

  • Weak or no airflow from the vents.
  • Strange noises or rattling sounds are from the air conditioning system.
  • Refrigerant leaks (indicated by a visible leak or an AC system that doesn't cool properly)
  • Electrical issues or malfunctioning components

Attempting to repair complex AC system issues on your own can lead to further damage and costly repairs. Our mechanics have the tools, knowledge, and experience to diagnose and fix problems. We ensure your car's AC repair is done properly and runs well.

Environmentally-Friendly Practices in Car AC Maintenance

You must maintain your car's air conditioning system responsibly. This is crucial for cutting your carbon footprint and minimizing harm to the environment. One of the key aspects of eco-friendly AC maintenance is proper refrigerant handling.

Refrigerants used in car air conditioning systems are powerful greenhouse gases. They can greatly add to global warming if released into the air. To prevent this, you must have your car's AC system serviced by pros like us. We follow strict rules for refrigerant recovery, recycling, and disposal.

At D & R Automotive, we use special equipment to capture and recycle any refrigerant during maintenance or repairs. This avoids releasing harmful gases. It also saves resources by recycling.

We prioritize responsible refrigerant handling. And we also prefer eco-friendly alternatives when possible. Many modern vehicles now use refrigerants with lower global warming potential. Most of the time HFO-1234yf is used, for example, which has much less impact than traditional refrigerants.

Choose D & R Automotive for your car's AC maintenance. We prioritize eco-friendly practices to minimize the impact on our planet. And, of course, keep your vehicle's AC running well.


Follow the tips in this article to extend your car's AC system's life, improve its performance, and avoid costly future repairs.

At D & R Automotive, our certified mechanics have the knowledge and expertise to handle all your car AC maintenance and repair needs. We use state-of-the-art diagnostic tools and high-quality components to ensure your vehicle's air conditioning system is running at its best.

Don't let a malfunctioning AC system ruin your driving experience. Get a quote with D & R Automotive today by contacting us or calling us at 870-333-5488. Our experts are ready to give you the professional car AC maintenance it deserves. Plus, It will keep you cool on the road.

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