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. or select -, Your coolant is being used quicker than usual. Until the engine warms up, there’s no heat for the heater core to extract. While the coolant is being pumped through your engine to help keep it from overheating, the engine warms the coolant to almost 200o. to fix the problem on my car. No heat to feet or defrost. You also might smell a sweet scent inside your car. Your car heater gets its function from the coolant. Schedule your service today! This will not only cause cool air to blow through your vents, but it will prevent your vehicle from warming up the cabin. Schedule an appointment and be in a warm car in no time. The heating system in your car is supposed to keep the atmosphere warm. Heater working but only blows out front vents. If you’ve been involved in a collision or other mishap on the road, contact Andy Mohr Collision Center. You may have noticed a loud sound right before cold air blows out through the vents in your home. 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. The engine coolant is pumped through the core of the heater, and a blower blows air through the coils of the heater. When it does happen, you're left with a miserably underpowered heat or AC system. If this actuator is faulty, your car might blow hot air out from the vents even if you require cold air… 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. ), so the temperature actuators generally fail first. 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. A small refrigerant leak is the most common reason a car’s A/C gradually … When that happens, the HVAC system can be stuck on blows cold air or blows hot air. Most often, coolant is restricted from flowing due to a blockage in your heater core. A Leak in the A/C System. Due to your heater core being the high point in your cooling system, air can actually flow through and get stuck. This is actually a pretty common problem that driver’s face. Drivers changed air temperature far more often than they change the mode (defrost, floor heat, dash vents, etc. Our technicians are ASE-certified and have years of experience, so you can rest assured that your car will be in capable hands. There are many reasons an HVAC (heating, ventilation, air conditioning) system might stop working. This air is then channeled through hoses running out of the heater assembly, and are directed towards the air vents in the car. Once you've saved some vehicles, you can view them here at any time. and the vent is stuck on the front , i cant get it to change to any other vent idk if its a motor, bad doors,. 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. The temperature actuator needs to be replaced and the linkage checked. This blog post will give you a good idea of what might be causing the problem with your car heater. You might even find that this opens up the flow. It uses a component called the heater core, which is similar to a radiator. However, some drivers experience issues like their car heater blowing cold air. This is actually a common problem that doesn’t really have a simple answer. Luckily enough, this is an easy fix. I have a 2011 Dodge Avenger SXT that blows cold air on the passager side vents and defrost vent. Posted May 22nd, 2017 by admin & filed under Blog , Vehicle Maintenance . Personally, I think these are the stupidest thing ever invented, but whatever. The fix is that you’ll need to have the air bubbles flushed out. That heated coolant then runs through the radiator, where the heat dissipates. Why is the Heater Blowing Cold Air Instead of Hot? This setup can look a little bit different, but the main function is the same. Frost on the outside coil is condensation that forms up on the coil in the form of frost. 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. Dysfunctional Thermostat. A refrigerant is a fluid that is transformed from liquid to gas and vice versa in 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. However, once the coolant reaches its optimal temperature, the thermostat should open and begin providing warm air for the cabin. If its always only cold on drivers side then you need to look into the drivers temperature blend door behind the dash. Other symptoms of this problem include: If these are happening, reach out to your certified service center to diagnose the issue. Before replacing Heater Control Unit, it would only blow hot air from front vents- With this replacement it will now change from cold to hot and the air flow pressure does change from the front vents when changing the setting dial but there is still no air at all to feet and defrost. Coolant (which is a mix of water and antifreeze) is what circulates around the car’s engine. Because it illustrates just one of many reasons why a heater might blow cold air, and an air conditioner might blow hot air. Is there an electical vent shutter that could be letting too much cold air from outside mix with the heated air on that side? If you notice that your thermostat gauge stays on the “C” even after the … This is actually a common problem that doesn’t really have a simple answer. There are any number of reasons cold air or no air is coming through the vents. Even if you do not have dual-zone controls, there still may be two separate doors and motors to control the side separately. The reason why I said sometimes is because it stopped working for a day then it would work again the following day. Is the Pilot Light lit? or what These doors are operated by small actuator motors that are activated when you turn the knob or switch to make a … Despite its chilly name, coolant actually works hard to heat up your vehicle during … However, this is a relatively easy repair that the certified technicians at your dealership can quickly make. The true test of the quality of an automobile shouldn’t be how fast or smooth it drives, how safe it is, or how sleek it looks. Clogged air filters could be causing cold air to blow out of your vents. Why tell this story? When you notice that there’s cool air coming from your car heater, and your vehicle can’t seem to get warm enough, you’ll want to seek out the help of our technicians at Andy Mohr Collision Center. There are a few different factors that could be causing the confusion with the airflow. 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