... Heater blows cold on one side, hot on the other. The liquid then flows through the radiator and the air absorbs the heat and uses a fan to push it through your vents. When you’re riding the streets of Atlantic City, Egg Harbor, and Vineland, one of the most annoying questions you might need to ask yourself is: “Why is my car heater blowing cold air?” Whether you love the cold weather or want nothing to do with it, one thing is for certain—a working heater makes winter driving much more pleasant. my 2008 ford taurus is doing this, but its winter and im not trying to use the AC , im trying to use the heater , the driver side is warm but the passanger and the vent in the back seat blow cold air. Why is the Heater Blowing Cold Air Instead of Hot? Ask Your Own Toyota Question is the blend door on the drivers side of the dash This is actually a pretty common problem that driver’s face. This system also can circulate some of that heated coolant through the heater core in the dashboard, sending warm air into the car once you turn on the … While it keeps your engine cool, it also hovers above your heater’s core and blows all that warm air right into your vents, which in turn heats your cabin. The reason why I said sometimes is because it stopped working for a day then it would work again the following day. Our technicians are ASE-certified and have years of experience, so you can rest assured that your car will be in capable hands. In a dual zone system, you wind up with a blows cold one side, hot on other side condition. A small refrigerant leak is the most common reason a car’s A/C gradually … If you notice that your thermostat gauge stays on the “C” even after the … If there's a smell to the steam, or if it’s actually smoke, you have a larger problem on your hands. Something is wrong when that does not happen. The 2 vents on the drivers side have warm air blowing out. These doors are operated by small actuator motors that are activated when you turn the knob or switch to make a … Once you've saved some vehicles, you can view them here at any time. This air is then channeled through hoses running out of the heater assembly, and are directed towards the air vents in the car. Is there an electical vent shutter that could be letting too much cold air from outside mix with the heated air on that side? The temperature actuator needs to be replaced and the linkage checked. 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. The engine coolant is pumped through the core of the heater, and a blower blows air through the coils of the heater. Does your car have a cabin filter? Drivers Side Blows Cold, Passenger Warm - Or Vise Versa. Bill Allen, owner of Mechanics Plus in Casselberry, Florida, says that air flows through a heater core and an evaporator core before exiting the vents. If its always only cold on drivers side then you need to look into the drivers temperature blend door behind the dash. Personally, I think these are the stupidest thing ever invented, but whatever. ), so the temperature actuators generally fail first. There’s nothing like getting into a warm car during the brisk winter. A dirty air filter can block airflow over your furnace’s heat exchanger, which can cause it to overheat. Luckily enough, this is an easy fix. If the car does get up to temperature as it should, there’s probably something else that has gone bad. I don’t know what’s wrong with it. We’d be happy to take a look and help you get your car warm for the winter. If this filter becomes clogged due to lack maintenance it will stop or slow the flow of air exiting the vents. While the engine is warming up, the thermostat stays closed. It uses a component called the heater core, which is similar to a radiator. A/C is controls are set to max air and max cold on the temp control. In cold weather the coolant is not needed to cool the engine, therefore it needs to circulate around the engine for a few minutes in order for the heater to feel warm. No heat to feet or defrost. If there is enough coolant in your vehicle, the heater core may be the culprit of cold air blowing through your vents. Schedule your service today! There are a few different factors that could be causing the confusion with the airflow. 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. Even if you do not have dual-zone controls, there still may be two separate doors and motors to control the side separately. However, this is a relatively easy repair that the certified technicians at your dealership can quickly make. Posted May 22nd, 2017 by admin & filed under Blog , Vehicle Maintenance . Due to your heater core being the high point in your cooling system, air can actually flow through and get stuck. At Andy Mohr Collision Center, we’ve helped countless drivers with their automotive issues, so today we’re going to tackle this mystery that’s keeping your car cold. Hi, I have a Honda civic 2011. You may have noticed a loud sound right before cold air blows out through the vents in your home. Heater working but only blows out front vents. These devices use desiccant (like those little packets you find in a … The problem I have is that when you turn the ac on the cool air only comes out the 2 vents on the passenger side. Until the engine warms up, there’s no heat for the heater core to extract. 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. While the coolant is being pumped through your engine to help keep it from overheating, the engine warms the coolant to almost 200o. It sounds like you may have a faulty blend door actuator. A c ar heater blowing cold air could be a … If your car’s air conditioner isn’t working properly and is blowing hot air then one of these systems isn’t doing its job properly. or what Drivers rely heavily on their car heater in the winter, not only to warm up the cabin of their vehicle, but to help remove some of the frost on the windows so they can see before hitting the road. That means a trickle out of your vents instead of the rush you asked for. Follow the steps we provide for each one, and you’ll be set for some warmer winter driving. Despite its chilly name, coolant actually works hard to heat up your vehicle during … Have a local expert inspect the cooling system to verify these issues and move forward with the proper repairs. The liquid then flows through the radiator and the air absorbs the heat and uses a fan to push it through your vents. Frost on the outside coil is condensation that forms up on the coil in the form of frost. Because it illustrates just one of many reasons why a heater might blow cold air, and an air conditioner might blow hot air. 7 Reasons Your Heater Blows Cold Air/AC Blows Hot Air. Click here to Schedule Service. If you’ve been involved in a collision or other mishap on the road, contact Andy Mohr Collision Center. Refrigerant level low. One of the most common problems with an automotive climate control system is a lack of blower pressure or no blower at all. This makes it unable to tell that the engine is warm enough to bring that coolant in, resulting in cold air blowing out. Inside your vehicle’s vent system, there are small doors that open and close to change the flow of air running through the system. 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. The heater core had to be replaced with a new one, plus new coolant replaced. The thermostat in your engine is essentially a valve that will open and close depending upon the temperature of the coolant. I have a 2011 Dodge Avenger SXT that blows cold air on the passager side vents and defrost vent. 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. AC Accumulator/Receiver Drier. … 6037 E Black Horse Pike • Egg Harbor Township, NJ 08234, - Car Heater Blowing Cold Due to Cooling System Issue A Leak in the A/C System. Why tell this story? These filters are designed to clean the air before it exits the air vent. Most of today's cars and trucks have the ability to blow different air temperatures form the drivers and passenger side. To see if this is the issue, add some more coolant under the hood. Troubleshooting your Car Heater There are a variety of reasons why your car heating is blowing cold air: To help you discover what the possible reason is, BMW of Atlantic City will go more in-depth about these possible causes on why your car heater is blowing cold air. This will not only cause cool air to blow through your vents, but it will prevent your vehicle from warming up the cabin. However, once the coolant reaches its optimal temperature, the thermostat should open and begin providing warm air for the cabin. This element also defrosts your windows and plays an important part in keeping your vehicle toasty. Coolant (which is a mix of water and antifreeze) is what circulates around the car’s engine. When that happens, the HVAC system can be stuck on blows cold air or blows hot air. 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