Question about 1989 Buick LeSabre
Air only comes out of the dash and it doesn't matter where i set the controls. where is the diverter that switches airflow to the defrost duct?
1989 buick lesabre
This system works with vacuum control doors. If you have a vacuum hose off under your hood it will cause this problem. Look on the passenger side near the evaporator - there should be a little round plastic bulb looking device - make sure it has vacuum to it. Also, check for other vacuum leaks in that area.
Posted on Jan 13, 2009
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Posted on Jan 02, 2017
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