Why Is Your INFINITI Car Heater Blowing Cold Air?

As the winter months approach, having a properly functioning car heater is crucial for staying warm and comfortable during your travels. However, if you own an INFINITI and find that your car heater is blowing cold air instead of warm air, it can be frustrating and uncomfortable. There are a few possible reasons why this could be happening, and in this article, we’ll discuss them and what you can do to fix the issue.

Low Coolant Levels

One of the most common reasons why your INFINITI car heater is blowing cold air is due to low coolant levels. Coolant is responsible for keeping your engine and its components at a proper temperature, and it also helps to regulate the temperature of the air that flows into the cabin of your vehicle. If your coolant levels are low, there won’t be enough to heat the air properly, causing it to come out cold.

To check your coolant levels, look for the coolant reservoir under the hood of your INFINITI. It should have markings indicating the minimum and maximum levels. If the coolant is below the minimum mark, top it up with the appropriate coolant and water mixture. It’s important to use the correct coolant specified in your car’s owner’s manual.

Thermostat Malfunction

Another possible reason why your INFINITI car heater is blowing cold air is due to a malfunctioning thermostat. The thermostat is responsible for regulating the engine’s temperature by opening and closing as needed. If the thermostat is stuck in the open position, it won’t be able to regulate the engine’s temperature properly, causing the air that comes into the cabin to be cold.

To check if the thermostat is the culprit, you can either test it yourself or take your car to a mechanic. Testing the thermostat involves starting your engine and letting it run until it reaches operating temperature. Then, feel the hoses leading from the engine to the radiator. If they are both hot, the thermostat is working correctly. If one is hot and the other is cold, the thermostat is likely stuck in the open position and needs to be replaced.

Heater Core Blockage

A third possible reason why your INFINITI car heater is blowing cold air is due to a blockage in the heater core. The heater core is responsible for heating the air that flows into the cabin of your vehicle. If it becomes blocked, the air won’t be heated properly, causing it to come out cold.

To check for a heater core blockage, you can try flushing the system with a hose. However, this can be a complicated process, and it’s best to take your car to a mechanic for this type of repair.

Conclusion

In summary, if your INFINITI car heater is blowing cold air instead of warm air, it could be due to low coolant levels, a malfunctioning thermostat, or a blockage in the heater core. Checking and fixing these issues can ensure that you stay warm and comfortable during your travels. However, if you’re not comfortable performing these repairs yourself, it’s always best to take your car to a trusted mechanic who can diagnose and fix the issue.