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  • Our mobile mechanics offer services 7 days a week.
  • An expert mechanic will come to your home to fix or diagnose your vehicle.
  • 12 months or 12,000 miles warranty*

AC Is Not Working Diagnosis

 

If your car's AC is not working, diagnosing the issue can involve multiple steps. It may be useful to have some basic knowledge about the system before attempting to diagnose it. Here are some general steps to follow:

Check for leaks: To ensure your AC is in good condition, inspect its components such as the compressor, hoses, and condenser for any visible damage. Additionally, examine the fittings and connections for any leaks.

Check the pressure: To determine if there is an issue with the AC system, please check the high and low side pressure using an AC gauge. If the pressure is too high or too low, it may indicate a problem with the system.

Check the compressor: Please ensure that the compressor is working properly by listening to any unusual noises when the AC system is turned on. Also, verify that the clutch is engaging correctly since the compressor is the core of the AC system.

Check the blower motor: It's like the engine of your car's air conditioning system, responsible for pushing air into the cabin. Listen closely for any strange sounds when you turn on the AC, and make sure that the airflow increases as you adjust the fan speed. Peek under the hood and inspect the motor's wires and the motor itself for any visible damage or signs of wear. Remember, if the blower motor isn't working correctly, it could seriously affect how well your AC cools the car.

Check the refrigerant levels: To determine if there is a leak or problem with the system, check the refrigerant level using a refrigerant gauge. If the level is insufficient, it may indicate an issue.

Check the electrical system: Please inspect the AC electrical system by examining the fuses, relays, and wiring to ensure that they are all functioning properly.

Check the cabin air filter: It is recommended to inspect the cabin air filter because if it is dirty, it may impede airflow and decrease the effectiveness of the AC system.

It is recommended to take your car to a qualified mechanic or AC specialist for diagnosis and repair if you are not comfortable performing these steps yourself.

 

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The guy they sent out to look at my truck was very friendly and pretty quick to diagnose the problem, they called about an hour before to let me know a machanic was on the way. I still haven’t got a quote for what repairs would be yet but was a fairly easy process or schedule someone to come out and at least tell me what I’d need to get my truck running again.

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I needed a battery changed out on a Ford Escape and the battery is tucked way up under the engine bay. The mobile mechanic brought a new battery and swapped it out quickly! Great communication from the company and the mechanic. Would recommend for those emergency mechanical issues. Gary W.

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Jordan came out and fixed my car in about 15 minutes. He was quick efficient and knew exactly what needed to be done. I am so happy with this service thank you. I highly recommend them.

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Amazing mechanic, took his time. Came exactly when he said he would. did it properly and didn't rush made sure everything worked before he left.

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Zack was amazing! Friendly, professional and gave me tips on how to keep my car running! I highly recommend this service!

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The first time I used instant car fix BUT won't be the last! First mechanic wasn't responding so they rescheduled and sent a different mechanic. He was able to fix my issue as well as letting me know to other minor issues. If you ever need a mobile mechanic this company is for you! Thank you instant car fix for repairing my baby!

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Jason arrived at the stated window time on the very early end! We told him the problem we thought we had but he suggested running a diagnostic and found the real problem. He was so helpful, friendly and personable! It was so convenient having him come straight to us as we are from out of town on vacation. So happy with our experience! Thank you, Jason!

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Donny did his thing! I had came out here for Max Beach resort and they fixed my throttle body right before checkout time at 11am. I called around 9:30 and paid for the labor only, got the part from AutoZone and they fixed my car under an hour. Plus I paid for same day service and they got to me sooner than expected.

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I hired Instant Car Fix for a Pre Purchase Inspection on a used car. Alex was thorough and sent a list of issues that I used to negotiate a better price. He sent photos in the report and also gave me an overall assessment of the vehicle type which was very much appreciated.

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