Question about 1999 Chevrolet Astro
When selection is made on panel the blower door(s) do not move at all for direction of selection on panel dial. I replacedthe Actuatuor blower motor and still no movement of blower doors.
Look for a very small vacuum line. My vacuum line runs from the right side of my blower box, under my oil dip stick, under the air intake and connects on top of the engine on the driver side. It can be fixed by sliding a piece of windshield wiper hose over the original line.
Posted on Jan 03, 2009
I had the same problem...
There is a vacuum line that operates your selector switch, it is located under the hood, roughly in the center, up against the fire wall. If the line has leaks, your selector switch will not work and therefore all your blower doors will stay shut. Replace the line.
Posted on Jan 01, 2009
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Posted on Jan 02, 2017
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