WHY IS YOUR CAR HEATER NOT WORKING?

 


 

Winter can be brutal and one of the first things we are prone to do after starting the car is to turn on the heat. If we have the convenience of heated seats and heated steering wheels, we turn those on too to keep from freezing. Imagine our disappointment if we found out that the heat in the car didn’t work or worse yet, was blowing cold air. What can cause this to happen?

There could be several reasons why your car heater is not working. Here are some common issues you may want to check. Unless you are a professional mechanic, most of these will be beyond your ability to check. We recommend the help of a professional mechanic, like the leading Auto Mechanic in Astoria  if you cannot diagnose on your own or have difficulty doing so.

The most common reason for a malfunctioning heater is a low coolant level. Check the coolant reservoir to ensure it's at the proper level. If it's low, it could indicate a leak in the cooling system. Enough coolant is required for your car’s heater system to work properly.

Check the thermostat. The thermostat regulates the flow of coolant through the engine. If it's stuck open, the engine may not reach the proper operating temperature, leading to a lack of heat. Conversely, if it's stuck closed, the engine may overheat.

Check the heater core. The heater core is a small radiator that transfers heat from the engine coolant to the cabin air. If it's clogged or leaking, you may not get warm air in the cabin.

Is there an air pocket in the cooling system. If there's an air pocket in the cooling system, it can prevent the proper circulation of coolant, leading to a lack of heat. Bleeding the cooling system may resolve this issue.

Check the blend door. It controls the mix of hot and cold air in the HVAC system. If it's stuck or not functioning correctly, you may experience issues with temperature control.

A faulty blower motor can also be the issue. If the blower motor is not working, you may not feel any air coming out of the vents. This could be due to a blown fuse, a faulty resistor, or a problem with the motor itself.

Check the thermostat and temperature control. If the thermostat or temperature control in your car's climate control system is malfunctioning, it may not send the correct signals to the heating system, leading to no heat.

The radiator or hoses need to be checked. Blockages in the coolant system, such as in the radiator or hoses, can impede the flow of coolant and affect the heater's performance.

If you're unable to identify the issue or if the problem persists, it's recommended to have your car inspected by a qualified mechanic. They can perform a more in-depth diagnosis and address the specific problem with your car's heating system.

Steinway Auto Repair is a leading Auto Mechanic in Astoria. Our experienced mechanics can handle any kind of maintenance and repair issues. If you are in the New York tristate area, stop by and visit us.

 

 

 

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