Beat the Heat: The Best Advice for Fixing a Broken Car AC

Troubleshooting a Broken Car Air Conditioner

Summer is here in Millsboro! And while it has not been as hot as in other parts of the country, this is not the season where you’d want your vehicle’s A/C being on the fritz. Because a malfunctioning car air conditioner can turn a comfortable drive into an uncomfortable ordeal. And this is especially true during our Delaware hot summer months. Yet, if your car’s A/C stops working, don’t panic. Because, in this blog, the experts at In and Out Tire Pros provide a step-by-step guide to help you troubleshoot a broken A/C and what you can do to get it back to working condition.

1. Check the Basics

• Inspect the AC Controls

First, ensure that the AC controls are set correctly. You can do this by checking if the AC button is turned on, the temperature is set to cold, and the fan speed is adjusted appropriately.

• Verify the Airflow

Check if the airflow from the vents is strong and steady. And if it’s weak, the issue might be with the blower motor or a clogged cabin air filter.

• Listen for Unusual Noises

When you turn on the AC, listen for any unusual noises. Because, strange sounds like clicking, hissing, or grinding could indicate problems with the AC compressor, fan, or other components.

2. Check the Refrigerant Level

• Inspect for Refrigerant Leaks

Low refrigerant is a common cause of AC failure. So look for any visible signs of refrigerant leaks under the hood, such as oily spots on AC lines or connectors. Also, refrigerant leaks can often be identified by a hissing sound, or by using a UV dye.

• Consult In and Out Tire Pro for a Complete AC Inspection

In and Out Tire Pros on Betts Pond Road in Millsboro can check your vehicle’s refrigerant pressure. And should low pressure indicate a leak or that the system needs recharging, In and Out have the ASE certified professionals to get it resolved. Because, adding refrigerant should be done cautiously and ideally by a professional to avoid overcharging.

3. Examine the AC Compressor

• Visual Inspection

Inspect the AC compressor for any visible damage or leaks; the compressor is usually located at the front of the engine bay. And it is driven by the serpentine belt.

• Listen for Compressor Engagement

When you turn on the AC, listen for a clicking sound, which indicates that the compressor clutch is engaging. And if you don’t hear this sound, the compressor might be faulty or there could be an electrical issue.

4. Check the Electrical System

• Inspect the Fuses

A blown fuse can cause the AC to stop working. So locate the fuse box (usually found under the dashboard or in the engine compartment) and check the AC fuse.

• Test the Relays

AC relays can also fail, preventing the compressor from engaging. So swap the AC relay with another identical relay in the fuse box to test if the relay is the issue.

5. Examine the Cooling Fans

• Check Fan Operation

Cooling fans help remove heat from the AC condenser. So, ensure the fans are running when the AC is on. And if they’re not, it could be due to a faulty fan motor, relay, or temperature sensor.

• Inspect for Obstructions

Make sure there are no obstructions blocking the fans. Because, debris or damage to the fan blades can impede their operation.

6. Evaluate the AC Condenser and Evaporator

• Inspect the Condenser

The AC condenser is located in front of the radiator. And once you have located it, check for damage, debris, or leaks. Because, a damaged condenser can restrict refrigerant flow and reduce cooling efficiency.

• Check the Evaporator

The evaporator is located inside the dashboard. And, if you notice water pooling under your car or a musty smell, the evaporator could be leaking or clogged.

7. Seek Professional Help

• When to Call a Professional

If you’ve gone through the above steps and the AC still isn’t working, it’s time to consult a professional. Complex issues such as a failing compressor, electrical faults, or significant refrigerant leaks often require specialized tools and expertise to diagnose and repair.

• Finding a Trustworthy Mechanic

Google: car repair near me to contact In and Out Tire Pros. Because, In and Out are ASE certified automotive specialists. And they can perform a thorough inspection and provide a detailed diagnosis and repair estimate.

In and Out Tire Pros Can Cool Your A/C Troubles

But, before calling, follow this guide to better understand the potential issues and take appropriate action to restore your car’s AC. And should all else fail, call In and Out Tire Pros.

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