Welcome to Miller Brothers Auto Repair Shop and Collision Center, Corryton, TN!

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7123 Tazewell Pike

Corryton, TN 37721



(865) 689-5072

FAX: (865) 689-7765



Reasons Why Your Car Air Conditioning is Blowing Warm Air

Jun 21, 2024 | auto repair shop

car air conditioning

car air conditioningYour car air conditioning is a wonderful thing when it is working properly. However, when it isn’t, driving around in your vehicle becomes far less enjoyable. Therefore, if your air conditioner isn’t working right or blowing warm air, it’s essential to address the issue promptly.

Three Common Reasons Your Car Air Conditioning is Faulty

1. Refrigerant Leak

Firstly, one of the most common reasons for a malfunctioning car air conditioner is a refrigerant leak. Additionally, refrigerant leaks are unique because refrigerant evaporates instantly into a gas when it isn’t under pressure. Consequently, A/C systems are sealed and therefore don’t typically require refrigerant top-offs. So, if the refrigerant level is low, then there’s a leak that needs to be addressed.

Moreover, leaks in your A/C system don’t result in the typical tell-tale puddles of fluids under your car like those from an antifreeze or oil leak. Instead, you might notice oily residue on or around A/C hose units or connections. Therefore, detecting these leaks requires a trained eye and proper equipment.

2. Worn Out Compressor

Secondly, your vehicle’s air conditioning system relies on a compressor to move the refrigerant through a series of lines and filters that remove heat from the vehicle’s cabin. Moreover, because it is a complicated machine, compressor failure can be caused by several factors, such as contaminants or other failed parts in the system.

To prolong the life of your vehicle’s air conditioner, make sure to run your car’s air conditioner for roughly 10 minutes once a month in the off-season, regardless of the temperature outside. This is easy to do in most modern vehicles since they activate the air conditioner when the defroster is activated. Additionally, regular maintenance checks by a professional mechanic can help ensure that your compressor remains in good condition.

auto maintenance3. Problems With the Electrical System

Lastly, your car air conditioning in Knoxville TN has a maze of wires, including fuses and relays, that work together to provide safe operation. So, if one of these electrical components fails due to age or defect, the system shuts itself down to prevent damage or unsafe conditions for the operator. Without the proper test equipment and experience, diagnosing electrical issues can be challenging.

Additional Tips to Maintain Your Car Air Conditioning System

Regular Inspections: Regularly scheduled inspections can help identify potential issues before they become major problems. Additionally, ensuring that all components are functioning correctly can save you from unexpected breakdowns.

Keep the System Clean: Dirt and debris can cause significant damage to your A/C system. Therefore, regular cleaning of the condenser and ensuring that the air filters are not clogged can improve the efficiency and longevity of your system.

Check the Belts and Hoses: Inspecting the belts and hoses for wear and tear can prevent them from breaking down and causing further damage to the system. Besides, replacing any that show signs of wear can maintain the system’s integrity.

Why Professional Maintenance is Essential

Professional maintenance by an auto repair shop in Knoxville TN is crucial for ensuring the longevity and efficiency of your car’s air conditioning system. So, experienced mechanics have the tools and knowledge to detect issues early and provide the necessary repairs. Furthermore, regular maintenance can save you time and money in the long run by preventing major repairs and ensuring your system runs smoothly.

Addressing issues with your car’s air conditioning system promptly is crucial for maintaining a comfortable and enjoyable driving experience. Therefore, regular maintenance and inspections by experts from Miller Brothers Transmission Auto Repair and Body Shop can help prevent common issues such as refrigerant leaks, worn-out compressors, and electrical problems.

Ready to ensure your car air conditioning system is in top shape? Contact Miller Brothers Transmission Auto Repair and Body Shop today to schedule an appointment for a comprehensive inspection and maintenance service!

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Miller Brothers Transmission Auto Repair and Body Shop
7123 Tazewell Pike
Corryton, TN 37721
(865) 689-5072

Serving Knoxville, TN and Knox County

Service areas include: All of Knox CountyCorrytonFountain CityHalls CrossroadsPowell and Knoxville

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Monday-Friday 8:00am – 5:30pm

Saturday 8:00am – 12:30pm


Phone: (865) 689-5072

Email: millerbrothers06@comcast.net

Miller Brothers Auto Repair
7123 Tazewell Pike
Corryton, TN 37721