Posted on Oct 18, 2017. blowing cold ... Lv 6. It keeps the AC running and if malfunctions, the refringent won’t circulate properly. Such troubles pop-up when your car meets an unexpected accident. No matter it’s your home ac or the car ac, there is a device named condenser in each of them. If your air conditioning isn’t blowing cold air, there are a few different things that could be wrong with it. If it is not than that may have been your problem.-Coolant needs to be flushed and filled every 2 years or 24k at the max. Reason why my car heater is blowing cold air and overheating the engine. 01 The wise decision is to take the car to a professional car repairing centre that’s authorized to repair similar car models. You can also run a DIY diagnosis however to realize how good is it working. However, you can also take the car to an authorized car repairing workshop to get that done. At times the condenser gets too old and when it’s not repaired or maintained for a long time, there are higher chances that the condenser to has broken. The thermostat was replaced 6 months ago so not quiete sure what else is … There is a tech service bulletin issued on the matter, ... AC works. Or is the car AC not cooling enough? You can diagnose it by yourself. You can easily find out whether the switch is defective. Clicking ... Overheating is far more serious than the AC issue, so diagnose that first. This must-have damaged the fan switch and this for sure, will lead to engine overheats when AC is on. This can also sometimes be the result of an electrical fault in the compressor’s circuit or clutch. No matter it’s your home ac or the car ac, there is a device named condenser in each of them. What happens when you don’t service your car AC? Mahindra Electric Car line-up teased for the Auto Expo 2020, Second-Hand Motorcycle: 10 Things to Check Before Buying. Once I have slowed down significantly or stopped, the air blowing out gets warmer and warmer. If you’re switching on your AC of your vehicle after a long time, say for 15-20 minutes, irrespective of the weather outside, the compressors are expected to work properly. In maximum cases, this has been seen that leaking in the refrigerant is a usual cause for the car AC to malfunction. There could be various reasons for car heater not working but it basically happens for two reasons: air from the blower is not blow toward the heater core or the coolant does not flow through the heater core. If the car was low on coolant, and the heater is blowing cold air, ... that's supposed to measure things such as how much radiant heat might be coming in the car, is not working correctly. Here are the common causes an AC system is not blowing cold air. How to get the Maximum Cooling from your Car AC | Car AC tips & tricks. If the thermostat is “stuck” it can close off all coolant to the engine…thus overheating and no heater heat will result. Your car overheating when air conditioner is on in this situation is due to clogged radiator which has prevented an easy flow of air and coolant through to the car engine. A How To Decide Guide! As air will not cool the car engine as well as liquid, the trapped air will cause it to overheat. I am 98% sure that if you replace the relay the fan will work and the ac will blow cold and the engine not overheat. This condenser has cooled and fans to push the air through. It is highly recommended to get it repaired from an authorized car repair workshop or store and get the compressor belts changed as soon as possible. Try turning the dial down all the way, or pushing the buttons to the lowest setting and see if that trips the unit to run. No overheating. If your air conditioning mechanics is not up to par, then have a certified car air-conditioning system mechanic check it for you. Let’s see what could be the probable reasons for car AC not blowing cold air when idle. When we left the gas station the car temp was 80 deg. It’s a common scenario when you start car AC after a long time, say for two to three months (especially during the winter months). A broken condenser is another genuine cause for which your car AC may not work properly. Electric Cars in India: The Clear Picture, How Does The Car AC Work? Just so, why does my AC only get cold when I accelerating? In this video we’ll show you how to fix 2 simultaneous issues – Engine overheating and HVAC not blowing hot air inside the cabin. Another way to prevent getting this page in the future is to use Privacy Pass. If all looks good on the power front and your AC is still not blowing cold air, it could be that the thermostat on your unit isn’t set at an appropriate temperature. 3. 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. 1. Also read: Your Car AC Can Reduce in-car Air Pollution By 34%. Cloudflare Ray ID: 5ff5a970adbb18fc car overheating. Not an expert but ironically, in my experience, this is usually down to a fault in the cooling system. A car heater blowing cold air could be a symptom of the failure of the heating unit. Why is my car not blowing hot air? Does Using The Car AC while driving affect Fuel Mileage? My ac is immediately cold even after my car has been sitting in the sun all day on a cold start. A few weeks ago my car started overheating and blowing cold air while I was on the highway. • Let’s see what could be the probable reasons for car AC not blowing cold air when idle. Favorite Answer. An unwanted short circuit in the electrical unit is another unexpected reason for which your car AC may stop working. Getting professional’s assistance is always better to evade one such trouble as it will further help your vehicle to avoid further trouble associated with air conditioner machine installed in your vehicle. A cooling system flush may resolve the problem. If everything sounds good, the air cooler is working perfectly fine. -First when the car is completly cool pop the radiator cap. It’s that particular unit in your car that keeps the refrigerant cool and then flows through the blower by converting the hot air into cool air. Scotty Kilmer, mechanic for the last 45 years, shows how to fix a car that is blowing really hot air, even though the AC system is turned on full cold. If there is no noise, this can indicate a defective compressor or condenser, but also a defective switch. The heater not working in some cases may be related to the overheating problem you are also having. 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