Auto AC Services in Collierville, TN

Professional A/C diagnostics, refrigerant recharge, and repairs to keep your drive comfortable year-round

Your vehicle’s air conditioning system does more than blow cold air—it regulates pressure, manages humidity, and relies on multiple components working together. At Christian Brothers Automotive Collierville, we provide professional auto A/C services designed to identify the real cause of cooling problems and deliver repairs that last.

If your car is blowing warm air, cooling inconsistently, or struggling in Tennessee heat, our team performs thorough diagnostics and explains your options clearly so you can make confident decisions.

If you’re experiencing A/C issues, call (901) 716-8146 to schedule a professional inspection today.

What Does an Auto AC Service Include?

Comprehensive A/C Diagnostics and Performance Testing

A proper car A/C service starts with testing—not guesswork. Refrigerant doesn’t get “used up” under normal conditions, so if your system is low, there’s usually an underlying issue that needs attention.

Our A/C service may include:

  • Vent temperature and airflow testing at idle and under load

  • Inspection of the compressor, belt, hoses, condenser, and fittings

  • System pressure readings and sensor checks

  • Refrigerant recovery, vacuum evacuation, and recharge by factory specification

  • Leak detection recommendations when low refrigerant is found

  • Final verification of cooling performance and system stability

We follow manufacturer specifications and use professional-grade equipment to avoid repeat visits and prevent unnecessary part replacements.

How Often Should Car Air Conditioning Be Serviced?

Most vehicles benefit from an annual A/C performance check, especially before peak summer temperatures. While there’s no universal mileage rule, regular inspections help catch slow leaks, weak airflow, and worn components early.

Recommended A/C Service Intervals

  • Once a year: Performance and pressure checks

  • Every 1–2 years: More detailed service for aging systems

  • As needed: When cooling fades, airflow weakens, or odors develop

A properly working A/C system also improves defrost performance by removing moisture from the cabin air.

Recharge vs. Leak: Why A/C Blows Warm After Service

Signs Your Vehicle May Be Low on Refrigerant

  • Slow cabin cooling, especially in traffic

  • Vent air that feels cool but not cold

  • Rapid compressor cycling

  • Temporary improvement after service

Signs There May Be an A/C Leak

  • Cooling returns briefly, then fades again

  • Oily residue on hoses or fittings

  • Hissing sounds during operation

  • Repeated need for refrigerant

Recharging without diagnosing the cause often leads to repeat failures. We test pressures, inspect components, and confirm the root issue before recommending any repair.

Can You Diagnose and Repair AC Refrigerant Leaks?

Yes. Our technicians can locate and repair refrigerant leaks using professional detection methods. Depending on the source, repairs may involve:

  • O-rings or valves

  • Hoses or fittings

  • Condenser or evaporator components

We follow proper refrigerant handling procedures and verify repairs to ensure reliable cooling after service.

What Refrigerant Does My Car Use—and Why It Matters?

R-134a vs. R-1234yf

Your vehicle is engineered for a specific refrigerant, and using the wrong type can damage the system.

  • R-134a: Common in older vehicles

  • R-1234yf: Used in many newer models and requires specialized equipment

We verify the correct refrigerant and recharge by exact weight according to factory specifications to protect your compressor and maintain proper cooling.

Symptoms of a Failing A/C Compressor

Common Warning Signs

  • Rattling, grinding, or squealing noises

  • Compressor clutch not engaging or cycling rapidly

  • Warm air even when A/C is on

  • Cooling that fades after a short drive

Depending on the issue, repairs may involve electrical components, clutch repair, or full compressor replacement with supporting parts to protect the system.

If your A/C cools while driving but not at idle, airflow issues—such as failing fans or a blocked condenser—may be the cause. We inspect both A/C and cooling system components to resolve the problem completely.

Why Hire Christian Brothers Automotive Collierville?

  • ASE-certified technicians with A/C system expertise

  • Accurate diagnostics instead of guess-based recharges

  • Manufacturer-spec equipment and procedures

  • Transparent recommendations and upfront estimates

  • Service backed by integrity and customer care

We focus on long-term comfort, not short-term fixes.

Frequently Asked Questions

Why is my car A/C cold while driving but warm at idle?

This often points to airflow issues, such as weak cooling fans or a blocked condenser, though refrigerant or compressor problems can also contribute.

Is it normal to recharge car A/C regularly?

No. A sealed system should maintain refrigerant. Repeated recharges usually indicate a leak that needs repair.

Can a bad cabin air filter affect A/C performance?

Yes. A clogged filter can restrict airflow and make the system feel weak even when refrigerant levels are correct.

How long does an A/C diagnostic take?

Most diagnostics take about an hour. Repair timelines depend on findings and part availability.

If your vehicle’s A/C is blowing warm air, cooling inconsistently, or not keeping up in the heat, get professional answers instead of guesswork.

Call (901) 716-8146 or schedule your A/C service with Christian Brothers Automotive Collierville today for reliable, lasting comfort.

What to Expect With AC Maintenance And Repair Service

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1. Schedule Your Appointment

Whether scheduling online or over the phone be sure and let us know what you're experiencing so we can provide fast and accurate service advice.

2. Diagnostics and Inspections

Drop off your vehicle and the shop will get to work with inspections and diagnostics using the same equipment as the manufacturers to determine issues and next steps.

3. Digital Vehicle Inspection Report and Estimate

Following the diagnosis we will text you a digital vehicle inspection report, containing pictures and videos of our findings and recommendations.

4. Review and Approval

A service advisor will reach out to walk you through the findings and recommendations to determine how you would like to proceed, or you can approve work directly in your DVI.

5. Work Performed or Scheduled

Most work can be completed immediately, or scheduled based on parts and customer availability.

Call For a Quote
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To get rid of foul odors in your car - try using dryer sheets in your vehicle's interior. Lay out a few sheets overnight on or near the source of the smell.

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common Vehicle AC Problems

There are numerous variables that could cause your AC to break down or simply not work as well as it once did. These include clogged or leaking condensers, refrigerant cross-contamination, damaged compressor, a broken belt, leaks in the AC system, clutch problems, unresponsive pressure switches, and more.

Let Christian Brothers Automotive Help

At Christian Brothers Automotive, we utilize modern diagnostic technologies to get to the root of your AC problems, and offer honest and transparent solutions to any issues you may face.

As your partners in automotive care, if your refrigerant levels are low, we will recharge your system and add the appropriate amount of refrigerant to help your AC blow cold air again. We will replace a broken condenser, leaking tubes, or dirty air filters. No matter the issue or vehicle, we’ve seen and done it all. Trusting Christian Brothers Automotive to handle your AC system service and repair is a decision you can feel confident making.

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Your Local Christian Brothers Amenities

Certified Technicians
Free Shuttle Service
Free Wifi
Courtesy Inspections

FAQs

  • Q. "Why won't my A/C blow cold air?"
    If you notice any fluid under your car it may be due to a leak within your A/C system. However, issues can range from the fan not working properly to needing a recharge. Click here to find out all the potential reasons your vehicle's A/C is not working properly.
  • Q. "Can I Recharge A Failing AC Myself?"
    It is possible if you have the proper knowledge and equipment, however, you may want to turn to a professional to avoid damage to your system. Click here to learn more about the dangers of at-home vehicle A/C recharges.
  • Q. "How Does Outside Heat Affect My AC?"
    The hotter it is outside, the harder the air conditioning in your vehicle has to work. Rising outside temperatures put extra strain on your entire vehicle and its cooling system, from the battery and belts to hoses and fluids, requiring each part to work overtime to keep your vehicle cool. The result of extreme spikes in temperatures may even require you to replace your air filter sooner, along with other various components that ensure your car’s cabin remains comfortable. Click here to learn more about what you can do to protect your car's A/C in the heat.
  • Q. "Warning signs my AC needs service?"
    Warning signs your AC needs maintenance includes a foul odor, noticeable airflow change, change in cooling, and loud noises when AC is on. Click here to learn more about Common Air Conditioning Problems & Solutions.
  • Q. "Do you offer a warranty?"
    As part of our Nice difference.® commitment to providing our customers the best auto service experience possible, we also offer a3-year/36,000-mile warranty on all the work that we do. We offer this warranty at every Christian Brothers Automotive nationwide, and it will be honored at any location, regardless of which branch did the initial work.
  • Q. "What is a Digital Vehicle Inspection?"
    With a complimentary Digital Vehicle Inspection (DVI) on every visit, you’ll see firsthand photos of your vehicle from under the hood. We’ll let you know if everything is functioning properly or if there are any areas of concern. You can even approve or deny our service recommendations, all straight from your smartphone, or you can, of course, give us a call and we’ll explain our findings in further detail.

Have more Questions?

Our friendly auto service experts have the answers.

Call your local Christian Brothers Automotive car shop today

Hear What Our Customers Had to Say About Us

  • "When you want into this automtive service center its an entirely different experience. There is not push to spend money, no feeling that they care more about your wallet then they do your business. They give good solid advice, but you stay in control. They"

    - Charlie Keffeler

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