So, ensure that you check the compressor as it could be why car A/C is not blowing cold air after recharge; Blend air door – Blend air door is the cause for drawing hot air to cold air in your vehicle system. What Sensors in the AC Tell the Car If the System Is Working or Not? Occasionally there could be problems with the compressor, but usually, the problem is a slow leak that has caused enough … This is the most common reason for a central AC not blowing cold air. Most cars have two fans in front: one for the condenser and the other for the radiator. Made with ♥ in Silicon Valley. Maybe it is, but it is scorching outside so it doesn’t seem as cold as you would like it. When Freon starts to get low, the A/C can start intermittently blowing out cool air—particularly when it reaches a certain speed—and blowing hot air at other times. Thank you for sharing what we need to do if the air conditioner isn't blowing cold air. You may have a bad A/C compressor if you see the compressor engage but the high and low pressures stay the same. Why AC blows warm air in car? This one is often overlooked when diagnosing an AC system problem. There may be a component that is not working correctly. Look for oil stains on the condenser (located in front of the radiator), compressor, refrigerant hoses or fittings. Will I refer him? If your car heater is suddenly blowing out cold air instead of heat in the middle of a bitterly cold winter, you have a good reason to be frustrated. A refrigerant is a special kind of gas (but compressed to liquid) that gives the unit its cooling ability. Some include oil; dye to help locate leaks; or additives that rejuvenate O-rings and seals. This is the most common reason for why your car’s AC is not blowing cold air. When you turn on the air conditioner in your car, you expect to receive a flow of fresh, cold air. The solution could be as easy as flipping a switch on your thermostat, cleaning a dirty air filter, or clearing debris away from the outdoor unit. The compressor is another common cause of auto AC problems. Automotive AC systems’ capability to enable the occupants to modulate the temperature of the cool air flowing from the vents relies upon the function of “blend doors” in the AC system air ducting. With the engine running, blower fan on max high and AC controls set to the lowest temperature, the clutch should be spinning. If thereâs a restriction somewhere in the system, it blocks it all up and prevents the AC from blowing cold. We are no longer supporting IE (Internet Explorer) as we strive to provide site experiences for browsers that support new web standards and security practices. Iâm gonna drive it for the next few days as recommended and see where Iâm at and go from there. They have the specialty tools and equipment to accurately diagnose the problem, safely reclaim and recycle refrigerant and make repairs to keep you cool while driving. Other Reasons a Car Heater Can Blow Cold Most of the reasons that a car heater will blow cold have to do with the heater core, but you can also have a mechanical, electrical or vacuum problem. Use Bryant if you want honesty and great work. On a hot day, the last thing you want is to walk into your house and discover that your central air conditioner has stopped blowing cold air. Restrictions in the System: What happens when you kink your garden hose? This can occur if the system starts pulling a vacuum, pulling in humidity from the surrounding air, or if the refrigerant supply was contaminated. I just had him make the repair, which was done quickly. However, thatâs not always what happens. Check to make sure the clutch assembly — located at the front end of the AC compressor — is engaging. Dirty Condenser. Fast, free online quotes for your car repair. How to Fix It When Your Car Heater Isn't Working These instructions will help you diagnose and fix a car heating system that only blows cold air. One of the most common causes of vehicles air conditioner malfunction that can ruin your day is the AC refrigerant that can be low and will need a recharge. You don’t need to tolerate a stuffy, uncomfortable car, and you don’t need to rely on the shop to fix the problem either. One simple solution may just be that fresh coolant is needed in the radiator. The common reason behind your car’s air conditioner blowing hot air could either be a bad compressor or a coolant leakage. I book this repair this weekend and look forward to Matt repairing my car. Always wear safety glasses and gloves when working with refrigerant. The cooling fan in the condenser is the first thing that you should look into while finding out the reason for car air conditioner not blowing cold air when idling. Meet the Team; Reviews; Our Safety Promise; Awards; Careers; Residential. We recommend our users to update the browser. Check for crimps, kinks, and traces of refrigerant on the hose. If you come into direct contact with refrigerant, flush with plenty of water and seek medical attention immediately. An AC not blowing cold air is the most common air conditioner problem. I appreciate his knowledge and attention to detail with my car. If you do need to “recharge,” as we call it, your refrigerant, there is an underlying problem that needs … A failing AC low pressure hose may cause a lack of cold air from the AC system. Unfortunately, air conditioning manuals are often not to descriptive in their … … © Always make sure that both fans are running at designated speeds. There are many reasons why your cars a/c system may not be blowing cold air. With the engine running, blower fan on max high and AC controls set to the lowest temperature, the clutch should be spinning. If your air conditioner is not blowing cold air and you have inspected the air filter and fan motor and found them okay, then you may have a problem with the temperature control or thermostat. Could it be so hot outside that the AC cannot get down to the set temperature? The specifics will vary quite a deal from one vehicle to another, but most systems have some kind of blend door that changes how air flows or doesn’t flow, through the heater core. The above explanation Schrader ) valve caps and O-rings are in place and hand-tight. Honesty and great work because your engine is overheating long winter, exchange. Reason you might not operate properly refrigerant oil to form damaging corrosive acids cabin, and is! The symptoms Acura RDX - AC is not working - Indianapolis, Indiana both issues were very easy and fixes... Impact with tune-ups, filling the tires, and an air conditioner malfunctioning is a special kind of (. 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