1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Heater fan woes....

Old 01-25-04, 10:50 AM
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Heater fan woes....

Hey guys, whattya think?

on my '85, when I turn the fan for the heater on, you can hear the blower going at full speed, but only a whisper of air to comes out of the vents... possible blockage? Do these things have finicky blend doors?

Dan
Old 01-25-04, 10:55 AM
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does it have push button controls or slide controls?
Old 01-25-04, 01:45 PM
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Mine is the same and I have the slider controls, and ***** for the heat and fan.
Grant
Old 01-25-04, 02:38 PM
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Are the blend doors on the RX7's controlled by Vacuum Acuators, Electric Acuators or are they Cable operated?

That would make a huge difference on diagnosis.

I have a ALL Data system and i could pull up some tests if you like. What year is it??
Old 01-25-04, 09:36 PM
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the car is an 85... dunno how they're actuated... I'd imagine electric...

Dan
Old 01-25-04, 11:54 PM
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Mine is an 84 GS if it makes a difference.
Grant
Old 01-26-04, 01:31 AM
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There were two versions of the control for the blend doors on these cars...

One had a Sliding **** for the Vent, Floor, Defrost selection... Those were obviously cable actuated.

The other version has push buttons. These are electrically actuated.
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