Hi, I have a Honda civic 2011. Car Heater Blowing Cold Due to Cooling System Issue However, some drivers experience issues like their car heater blowing cold air. When there’s cold air coming through your vents, it may be because your vehicle’s heater controllers are faulty. This part is called the blend door actuator inside your car, and it is controlling a flap that is redirecting hot or cold air inside of your car. Sometimes my middle two ac vents is not blowing out any air at all ( but the sides somehow works very little ). Over time and much usage, it’s common that these buttons and dials become clogged and broken, making it hard for them to send a message to heat your car. Pre-heating your vehicle before heading out on your commute is a common practice among many drivers, especially in the Plainfield, Indianapolis, Fishers, and Bloomington areas. If the heating and temperature gauges are misreading and giving you the wrong degrees inside of your vehicle, it’s because your thermostat is broken. There are a few different factors that could be causing the confusion with the airflow. The heater core had to be replaced with a new one, plus new coolant replaced. Drivers changed air temperature far more often than they change the mode (defrost, floor heat, dash vents, etc. This will not only cause cool air to blow through your vents, but it will prevent your vehicle from warming up the cabin. Schedule your service today! This is actually a common problem that doesn’t really have a simple answer. What you’ll need to do is take your vehicle in for service and an inspection so technicians can determine why your car heater is blowing cold air and preventing your vehicle from warming up. Heater working but only blows out front vents. If there is cool air blowing from your car heater, you’ll want to take care of it as soon as possible so you can reduce the amount of chilly commutes. You may have noticed a loud sound right before cold air blows out through the vents in your home. Despite its chilly name, coolant actually works hard to heat up your vehicle during … Despite its chilly name, coolant actually works hard to heat up your vehicle during colder months. If this actuator is faulty, your car might blow hot air out from the vents even if you require cold air… The liquid then flows through the radiator and the air absorbs the heat and uses a fan to push it through your vents. Once you've saved some vehicles, you can view them here at any time. In the event that you end up in a car accident, we want you to know exactly what to do in the crucial moments following. The heater vents on the passenger side are blowing out cold air while the vents on the drivers side are blowing out hot air. Luckily enough, this is an easy fix. Have a local expert inspect the cooling system to verify these issues and move forward with the proper repairs. Something is wrong when that does not happen. ... Heater blows cold on one side, hot on the other. A small refrigerant leak is the most common reason a car’s A/C gradually … Drivers Side Blows Cold, Passenger Warm - Or Vise Versa. If gas supply is interrupted for any reason, the gas furnace pilot light will go out. When the thermostat fails to open, it will restrict the air flow. The coolant heats up the coils, which in turn warms up the air. When it does happen, you're left with a miserably underpowered heat or AC system. Dysfunctional Thermostat. Is the Pilot Light lit? Ask Your Own Toyota Question is the blend door on the drivers side of the dash Our technicians are ASE-certified and have years of experience, so you can rest assured that your car will be in capable hands. You also might smell a sweet scent inside your car. No heat to feet or defrost. It’s also the reason that a plugged heater core, stuck thermostat, or air in the cooling system can all cause a car’s heater to blow cold. Your furnace can then trip a high limit switch which will, in turn, cause the furnace burners to shut off so that the heat exchangers don’t crack. There are a few different factors that could be causing the confusion with the airflow. If there's a smell to the steam, or if it’s actually smoke, you have a larger problem on your hands. Step 2 - Most cars are equipped with a cabin air filter or hepa filter. If your vehicle is lacking the proper amount of coolant, that hot air isn’t going to make it inside your car. Might even find that this opens up the cabin than they change the mode (,. Far more often than they change the mode ( defrost, floor heat dash... Temperature of the rush you asked for core being the high point in your car t going to make inside! 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