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Q: Can a bad heater core make a car run hot?
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Will car make noise when running if heater core is burned out?

Car will make when running even if heater core is not burned out.


Does a bad heater core leak if the car is not running?

yes.


Would bad heater core cause car to sputter?

No


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.


Car smells like gas when heat is on?

There are several things that could be going on. The most common thing that would make your car smell like gas when the heater is on would be a bad heater core.


Why is your car floor wet inside on passenger side?

You probibly have a bad heater core.


What if you have antifreeze but car still produces no heat?

Bad or clogged heater core. Backflush it.


Why does the car heater not heat on a 1990 Toyota corolla?

try changing out the heater core or the therma stat may be bad


Why is your car defrosting on the inside and coolant leaking on the passenger side?

the heater core, heater core hoses or heater control valve is leaking


What are the symptoms of a bad heater core?

coolant leak inside car underdash on pass. side


If Heater core is bad on a 1984 Mazda GLC will car overheat?

Not necessarily. It depends on what you mean by a bad heater core. The core will either be leaking or stopped up. If it is leaking, then it can cause the engine to overheat and the only fix is to replace it. A clogged or plugged heater core can sometimes be fixed by flushing it. You can also temporarily bypass the heater core until you can get it fixed. Just connect the inlet & outlet heater hoses together.


Core how to replace a heater core in a 97 Lincoln town car?

How to replace heater core in a 97 Lincoln Town Car