Common questions

Why is my heater core leaking?

Why is my heater core leaking?

Coolant/antifreeze contains corrosion inhibitors that coat the surfaces inside the cooling system, including the heater core. When the corrosion inhibitors are depleted, the cooling system can become corroded, filled with contaminants and may even start to leak.

What does it mean when your heater core is leaking?

Having a leaking heater core can be one of the most frustrating leaks you can have in your vehicle.   Almost any leak in your car is an external leak, meaning the leaking fluid will just leak out onto the ground.

Can a car heater core leak into the cabin?

Even if you have an older vehicle with the heater core outside the cabin, leaking fluid can still find its way into the cabin through the ventilation ducts. Having coolant leaking into the cabin of your vehicle can cause all sorts of problems.

Where is the heater core in a car?

As said earlier, the location of the heater core is behind the dashboard on the passenger side. If your heater core is leaking coolant, that means the coolant level is low. As such, the engine can overheat. This is one of the main causes of mechanical breakdown.

What are the symptoms of a heater core problem?

You might not know that some of these symptoms signify a problem with the heater core, which is why it’s important to identify and deal with them as quickly as possible. They include: Windows fog up on the inside. Fruity smell inside and outside the vehicle.

Having a leaking heater core can be one of the most frustrating leaks you can have in your vehicle.   Almost any leak in your car is an external leak, meaning the leaking fluid will just leak out onto the ground.

As said earlier, the location of the heater core is behind the dashboard on the passenger side. If your heater core is leaking coolant, that means the coolant level is low. As such, the engine can overheat. This is one of the main causes of mechanical breakdown.

Even if you have an older vehicle with the heater core outside the cabin, leaking fluid can still find its way into the cabin through the ventilation ducts. Having coolant leaking into the cabin of your vehicle can cause all sorts of problems.

You might not know that some of these symptoms signify a problem with the heater core, which is why it’s important to identify and deal with them as quickly as possible. They include: Windows fog up on the inside. Fruity smell inside and outside the vehicle.

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Ruth Doyle