Today Air Conditioning is a must in areas where the heat index stays above comfort. Retail values of your vehicle fall well below it's worth without AC in these climates. Unfortunately it is considered a luxury not a necessity in the pricing for repairs. Listen for any noise when turning your AC System on, like whining, rattling, hissing or burnt smells. These can indicate a signal for inspecting your AC System. Some Repair facilities may require you to repair the entire AC system and some may not. There isn't a way to make sure your system does not have problems or even failure. Common issues are AC Compressor failures (locking up) or leakage at the shaft seal. Some shaft seals can be replaced without replacing the entire Compressor but not all. AC Compressor Clutches can lock up preventing the belt to turn on some vehicles, this will affect the usage of the defrost even in heat mode. AC Evaporator Cores can leak, Condensers can leak, hoses, lines and fittings. These can cause the Freon to leak out which will gradually or all at once reduce the cooling of your AC System. Blower Motors can fail, which blows the strength of the air out of the vents. Placing objects such as pens, pencils or coins on the dashboard should not be done, they can fall into the vents and block the blend door for the venting system this will stop switching from Hot to Cold or vice versa. Always use the recirculation mode in hotter temperature this will allow the cold air inside the car to recirculate within the vehicle. Using Max on High is the best mode. If you use a less than high mode then use regular AC not the Max system.
Heating System
Heating Systems are extremely import to maintain in your vehicle. Problems can lead to intense engine damage. Your Heat requires Thermostats and Heater Core's to be in good condition and working properly. Either one can induce overheating in your engine or failure to get Heat from your engine to Blow inside the vehicle. Engine Temperature Sensors can also cause your engine not to run correctly or your Heating System to heat, if they are not working properly the temperature of the engine will not be what it should be. Your Heating System relies strongly on the Engine's Coolant (Antifreeze). Keeping it clean and the correct ph balance is a must. When not flushed corrosion build up can stop up the Heater Core and overheat your engine or cause you not to have Heat when you need it. Additionally Radiators, Water Pumps and Gaskets depend on your Coolant System so keep it clean and flushed. If your vehicle is overheating do not add cold water to it until it cools, do not remove the radiator cap until it cools. Do not continue to drive when the engine is overheating, this can lead to extreme engine damage.
