How To Fix Car AC

Knowing how to fix a car AC can be a real lifesaver during the hotter months.  Although systems vary by make and models of the car, there are some basic troubleshooting steps you can take to fix your car AC.  

Things You Will Need:

  • Refrigerant Recharge Kit
  • Refrigerant
  • Recharge Hose
  1. The first step in fixing a car AC is to figure out what is the root cause of its problems.  If you notice your AC tends to warm up when your car is idling, there are a number of potential causes.  Those causes include low freon levels, overheating engine, and the condenser.  If you have recharged your car's AC system with freon, then you may have a leak.
  2. If you have determined the car's AC problems is low freon, you need to recharge the freon.  Freon, can be picked up at your local auto supply store.  Refrigerant is sold as part of a kit or separate.  The refrigerant kit includes a recharger hose and a can of refrigerant.  If you already own the hose, you also have the option to just purchase the refrigerant.  To fix the car's AC, follow the directions that came along with the refrigerant.  
  3. To fix a car's AC that is not working due to an overheating engine, determine the cause of the overheating and fix it.  An overheating engine can cause your AC to stop working altogether or dramatically reduce its performance.  By fixing the engine, you should fix the car AC's problem.
  4. Condenser issues that are causing AC problems should be fixed by a skilled technician.  A skilled technician will be able to either repair the condenser or replace it if necessary.

With warmer temperatures in most areas of the country year round, a working car AC is a must.  If you are not able to determine the cause of your AC's functioning problems, head to a mechanic.  

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