A low coolant level (caused by a leaking heater core) can lead to overheating and possible engine damage. Even a clogged heater core has the potential to obstruct coolant flow enough to cause overheating. A low coolant level (caused by a leaking heater core) can lead to overheating and possible engine damage.
How do I know if my heater core is bad?
In most cases, a bad heater core will start with a minor leak that can last for weeks if not months. But if neglected, the leak may suddenly turn in to a coolant flood. Before this, you’ll probably notice the smell of coolant, higher reading on the temperature gauge, coolant vapors, or the wet carpets.
Can a bad heater core cause an engine to overheat?
If not tended to it can cause engine overheating, coolant hose cracking, or else. This is one of the bad heater core symptoms that is recognizable by a mild engine overheating as well as constant high pressure in the coolant bottle.
What happens if the heater core is leaking coolant?
As the heater core uses engine coolant to generate heat, a leaking heater core will reduce the amount of coolant in the cooling system. Low coolant will cause an engine to run at a higher temperature, which can result in extensive engine damage. Can a Bad Heater Core Cause Overheating?
What happens when the heater core is clogged up?
When the heater core clogs up, it causes an increase of coolant pressure inside the system. If not tended to it can cause engine overheating, coolant hose cracking, or else.
Below you will find two interesting articles on a similar topic 👇
Will clogged heater core affect air conditioning?Can you drive with a clogged heater core?
