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It can do far worse, such as destroy your engine block. I wouldn't worry about your heater core, I would worry about your Engine.
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∙ 16y ago
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Will low coolant cause a cars heater to not work?
Yes. The coolant carries the engine heat to the heater core. Without coolant the heater core does not get warm.
Will a leaking heater core cause your car to overheat?
A leaking heater core will cause the engine to overheat because the coolant is leaking out.
Will a Bad heater core in my 91 ford tempo cause the overflow and radiator to empty?
Only if the coolant is leaking from the heater core, but you will see this.
If the heater core is not replaced can it cause damage?
If your heater core is LEAKING engine coolant so that your engine coolant level drops too low or the engine coolant is lost completely and causes your engine to overheat then your engine can be damaged beside the mess the leaking coolant makes inside your vehicle ( you might be able to just temporarily bypass the heater core so that no engine coolant is flowing through the heater core )
Can a leaking heater core cause your ac not to work in 03 durango?
You may smell coolant when the ac is running but a leak in the heater core won't cause the ac not to work.
Will a bad heater core cause the car not to start?
No it wont. The heater core is just a small radiator inside the cabin that when the fan is turned on heats the air. A bad heater core will cause you to have no heat inside or will leak coolant on the carpet.
Could a bad water pump cause a car to have no heat?
Yes, if the coolant level is low, or the pump is not capable of moving coolant through the heater core.Yes, if the coolant level is low, or the pump is not capable of moving coolant through the heater core.
Why is there no coolant flow into the heater core?
The presence of the valves usually restrict the coolant flow into the heater core.
What is the likely cause of coolant leaking from behind the glovebox of a 1996 Ford Thunderbird?
Heater Core
What would cause a puddle of coolant in the passenger side floor of a 92 Chevy corsica coolant leak?
Leak in heater core
Why does a fog come out of your car vents when you turn on the car and start driving?
Sounds to me like the heater core is leaking coolant.
Why would you find coolant on your passenger side floorboard?
A damaged heater core will cause coolant or water to leak onto the passenger floorboard.
