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4.97 stars - based on 291 reviews

763-316-3407

Big Lake Automotive

19868 172nd St
Big Lake, MN 55309

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You’re ready to head for home after a long day at work; start the car and turn on the A/C. Normally, it takes a few seconds for the air to get cool, but on this day it just keeps blowing hot air. It may simply need fresh coolant added to the radiator, but you find yourself wondering why your car ac blows hot air and isn’t getting cold.

There are several issues that could be the reasons why your car ac blows hot air:

  • Blocked condenser
  • Broken cooling fans
  • Broken condenser
  • Low refrigerant due to a leak
  • Electrical Faults

It’s important to keep you’re A/C in tip-top shape as repairs can be expensive. With the introduction of computerized parts, today’s A/C system is more complex than in the days of “do-it-yourself” vehicle maintenance.  Air conditioning systems work on the principle that when the refrigerant is compressed and cooled, then allowed to expand again, it will get very cold. If your AC’s compressor isn’t able to create a high enough pressure in the system then the refrigerant will not properly cool when it is allowed to expand through the expansion valve or orifice tube.

Another reason why the A/C keeps blowing hot air is from having too low of pressure in the system. Without enough pressure, the compressor will work too hard to raise the pressure in the system and won’t be as efficient.

Broken cooling fans can also cause a lack of cooling at your condenser. The fans could be burned out, a bad mount, a chipped fan blade, or simply a blown fuse or burnt out relay.

Lastly, you could have an electrical problem such as a faulty signal from your ventilation system caused by a broken wire or bad module, bad sensors tripping off your system or even a sensor in your vehicle’s motor that is causing the system to shut off inadvertently.

A word to the wise: Schedule a routine auto AC service at least once a year--the benefits include, improved gas mileage, a more environmentally-friendly vehicle, and a more comfortable drive.

Need to know more about the reasons why your car AC blows hot air? Contact our ASE Certified technicians at Big Lake Automotive today for more information about auto AC service and to schedule an appointment. Our auto shop proudly serves the residents of Big Lake, MN, and surrounding areas.

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If you want to know the reasons why your car ac blows hot air, schedule an auto ac service with a certified mechanic.
05
May
2018

You’re ready to head for home after a long day at work; start the car and turn on the A/C. Normally, it takes a few seconds for the air to get cool, but on this day it just keeps blowing hot air. It may simply need fresh coolant added to the radiator, but you find yourself wondering why your car ac blows hot air and isn’t getting cold.

There are several issues that could be the reasons why your car ac blows hot air:

  • Blocked condenser
  • Broken cooling fans
  • Broken condenser
  • Low refrigerant due to a leak
  • Electrical Faults

It’s important to keep you’re A/C in tip-top shape as repairs can be expensive. With the introduction of computerized parts, today’s A/C system is more complex than in the days of “do-it-yourself” vehicle maintenance.  Air conditioning systems work on the principle that when the refrigerant is compressed and cooled, then allowed to expand again, it will get very cold. If your AC’s compressor isn’t able to create a high enough pressure in the system then the refrigerant will not properly cool when it is allowed to expand through the expansion valve or orifice tube.

Another reason why the A/C keeps blowing hot air is from having too low of pressure in the system. Without enough pressure, the compressor will work too hard to raise the pressure in the system and won’t be as efficient.

Broken cooling fans can also cause a lack of cooling at your condenser. The fans could be burned out, a bad mount, a chipped fan blade, or simply a blown fuse or burnt out relay.

Lastly, you could have an electrical problem such as a faulty signal from your ventilation system caused by a broken wire or bad module, bad sensors tripping off your system or even a sensor in your vehicle’s motor that is causing the system to shut off inadvertently.

A word to the wise: Schedule a routine auto AC service at least once a year--the benefits include, improved gas mileage, a more environmentally-friendly vehicle, and a more comfortable drive.

Need to know more about the reasons why your car AC blows hot air? Contact our ASE Certified technicians at Big Lake Automotive today for more information about auto AC service and to schedule an appointment. Our auto shop proudly serves the residents of Big Lake, MN, and surrounding areas.

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Bob Lubrecht
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