Mechanics

AIR FLOW PROBLEM

1998 Buick Park Avenue • 165,000 miles

Airflow only coming out of defrost area. Was working fine until I was tightening a loose ground connection from battery to engine. Sparks flew, didn't take positive post loose(duH). After that was when the problem started.I think it must be a fuse but owner's manuel doesn't list one.
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Naylor
May 28, 2012.




Check yoru actuators on the heater, that controls direction. There are two of them i'll send a generic pic along. The are eitehr electric or vacuum operated, they can be stuck or not working at all


Hmac300
May 28, 2012.
Is your vehile equipped with manual or auto HVAC?
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KHLow2008
May 28, 2012.
Auto HVAC


Tiny
Naylor
May 28, 2012.
How are the vents controlled. It must be elect. Since this only started after what I stated in my original quest.


Tiny
Naylor
May 28, 2012.
Three fuses in junction block in car a test light cancheck them without pullling them out.


Hmac300
May 28, 2012.

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