2019 Ford Explorer Heater Isn't Working

Common Causes of Heater Issues in Your 2019 Ford Explorer and How to Resolve Them

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
31% chance it's the
Heater Blower Motor
0%
18% chance it's the
Heater Blower Motor Resistor
0%
51% chance it's
Something else
The most common reasons a 2019 Ford Explorer heater isn't working are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.
  • Heater Blower Motor: A faulty heater blower motor can result in inadequate airflow or no air circulation in the cabin, affecting the heating system's performance.
  • Heater Blower Motor Resistor: A faulty heater blower motor resistor can cause inconsistent fan speeds or complete failure of the blower motor.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What are the initial diagnostic steps to take when the heater isn't working in a 2019 Ford Explorer?

When your 2019 Ford Explorer's heater isn't functioning, start by checking the thermostat to ensure it's set correctly and operating as it should, as a malfunction here can significantly impact heating performance. Next, inspect the coolant level in the radiator; low coolant can hinder the flow of hot air, leading to inadequate heating. If the coolant level is fine, turn your attention to the heater core, looking for any signs of clogs or leaks that could obstruct hot air circulation into the cabin. Additionally, assess the blower motor to confirm it's working properly, as a faulty motor can prevent warm air from being distributed effectively. Finally, verify that the heater controls on the dashboard are functioning correctly, ensuring that air is directed to the right vents. By systematically following these steps, you can effectively diagnose and address the heating issue in your vehicle.

What are the common problems that could cause the heater to stop working in a 2019 Ford Explorer?

When your 2019 Ford Explorer's heater stops functioning, it can be frustrating, but understanding the common problems can guide you in diagnosing the issue. One of the first things to check is the thermostat, as a malfunction can prevent the engine from reaching the necessary temperature for heating. Additionally, inspect the coolant system for leaks, as a loss of coolant can hinder the flow to the heater core, resulting in cold air blowing into the cabin. If the heater core itself is clogged or damaged, it may not allow hot coolant to circulate, which is another potential culprit. Furthermore, ensure that the blower motor is operational; if it fails, warm air won't be distributed inside the vehicle. Lastly, consider the possibility of air pockets in the cooling system, which can disrupt coolant circulation and affect heating efficiency. By systematically addressing these areas, you can effectively troubleshoot and resolve the heating issues in your Ford Explorer.

How urgent is it to address the non-functioning heater in a 2019 Ford Explorer?

When it comes to a non-functioning heater in your 2019 Ford Explorer, addressing the problem should be a top priority. The heater is not just a luxury; it plays a vital role in maintaining a comfortable cabin temperature, especially during harsh winter months. Without a working heater, you risk driving in discomfort, which can be distracting and even dangerous. Moreover, the heater is essential for defrosting your windshield and windows, ensuring clear visibility in cold or humid conditions. A malfunctioning heater can lead to fogged-up glass, significantly impairing your ability to see the road and other vehicles, thus posing a serious safety risk. Additionally, the heater is integrated with the vehicle's cooling system, and its failure may indicate underlying issues that could affect engine performance. Ignoring this problem can lead to more severe complications and costly repairs down the line. Therefore, it is crucial to address a non-functioning heater promptly to ensure both your comfort and safety while driving.

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