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Why is my Silverado AC not blowing?

If your Chevrolet Silverado's air conditioning (AC) system is not blowing air, there could be a few potential issues. The most common causes include a problem with the compressor, low refrigerant levels, or a faulty blower motor. Let's explore these potential problems in more detail.


Compressor Issues


The compressor is the heart of the AC system, responsible for circulating the refrigerant. If the compressor is not functioning correctly, it can prevent the AC from blowing cold air. This could be due to a mechanical failure, electrical issues, or a problem with the compressor clutch. Symptoms of a bad compressor include the AC not turning on, the compressor not engaging, or the compressor making unusual noises.


Low Refrigerant Levels


The AC system relies on the proper amount of refrigerant to function effectively. If the refrigerant level is low, the system may not be able to generate enough cooling power to blow cold air. Signs of low refrigerant include the AC blowing warm air, the compressor cycling on and off frequently, or the AC system not cooling as effectively as it once did.


Blower Motor Failure


The blower motor is responsible for circulating the cooled air from the AC system into the cabin. If the blower motor is not working correctly, the air may not be able to flow properly, resulting in little to no air coming from the vents. Symptoms of a bad blower motor include the AC turning on but no air coming out of the vents, or the blower motor making unusual noises.


Troubleshooting Steps



  • Check the compressor to ensure it is engaging and operating correctly.

  • Inspect the refrigerant level and have the system recharged if necessary.

  • Test the blower motor to ensure it is functioning properly.

  • If the above issues are not the cause, there may be a problem with the AC system's electrical components or wiring.


If you're unsure of the root cause or feel uncomfortable diagnosing the issue yourself, it's best to have a professional mechanic inspect your Silverado's AC system. They can quickly identify the problem and provide the necessary repairs to get your AC blowing cold air again.

Why is my AC not blowing in my Chevy Silverado?


You may try and to reset the hvac controller. Remove the fuse and reinstall. when you do this, the module should recalibrate all the doors. Under the hood on the drivers side is the fuse box that has the HVAC/ECAS fuse 10 amp. Remove this fuse for a few mins then reinstall and see if everything recalibrate.



Why is my AC motor not blowing?


In short, common issues that can cause an air conditioning unit fan to stop spinning are electrical issues, problems with the capacitor, contactor issues, a burnt out air conditioner motor, a broken fan belt, or clogged air filter.



What does it mean when your AC is on but not blowing air?


If your AC is on but not blowing air, check the thermostat settings first. A clogged air filter may also block airflow and needs replacing. The blower motor could be malfunctioning, or ductwork might be disconnected or blocked, affecting air circulation throughout your home.



Why is my air conditioner not blowing through vents?


If your AC is on but not blowing air, check the thermostat settings first. A clogged air filter may also block airflow and needs replacing. The blower motor could be malfunctioning, or ductwork might be disconnected or blocked, affecting air circulation throughout your home.



Can a blown fuse cause AC not to work in a car?


However, if you notice minor electrical problems, start-up issues, or your car's A/C no longer works, a blown fuse may be the culprit.



How to reset AC on Chevy Silverado?


Start by powering down your Chevy Silverado. Then pull out your key after that lift your car's hood. Next find and access the fuse linked to the AC. System in the fuse box beneath the hood.



How do I know if my blower motor is bad?


6 Signs of a Bad AC Blower Motor

  1. Weak Airflow From Your Vents. One of the first signs you may notice is what feels like less air coming from your vents.
  2. No Airflow.
  3. Unusual and Loud Sounds.
  4. Climbing Utility Bills.
  5. Overheating.
  6. Tripping Circuit Breaker.



Why is my AC not blowing air in my truck?


Your vehicle's AC not working is most likely caused by a freon leak or a failing compressor. While these are the simple to spot reasons for the air-conditioning not working inside your car, it could also be anything as simple as a dirty cabin filter or a bad belt.



Why is there no air coming out of my vents in my car?


This could happen for a wide variety of reasons, such as a faulty wire, broken switch, or blown fuse. Another common reason is your compressor not turning on because it doesn't have enough refrigerant. Most compressors won't turn on if they go below a certain refrigerant level.



Why is my AC fan not blowing?


An outside AC fan not spinning could be caused by power supply issues, a faulty capacitor, a burnt out motor, contactor issues, wiring problems, debris or obstruction, a faulty thermostat or control board, or frozen evaporator coils. Contact your local Carrier dealer to help troubleshoot the issue further.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.