Ford Aerostar
Chevy Blazer
Heater Cores and Blower Fans

If there is no water on the floor of the car and there is cold steam coming from the vents does the heater core need to be replaced?


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Wiki User
2015-07-15 19:47:58
2015-07-15 19:47:58

When the heater core rusted out in my vc commodore, it leaked coolant into the passenger side of the car.

When my EB Falcon stopped blowing hot air, it was the thermostat on the motor.

You can guess which was cheaper to repair :)

Take the thermostat housing off and just see if it is all rusted and rotted underneath (as mine was) or take it to a mechanic to check.

CHeers, JO


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It means you have a leaky heater core. You may also find the front passenger floor wet with engine coolant.

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