You have the system set to allow outside air to circulate into the vehicle. You can change this to the recirculate mode which will only circulate inside air. Look for the button to change the setting.
Astro has no AC (cabin) filter.
I have a 2003 astro with the same problem, it was the blower motor
The transmission in a 2000 Astro is a 4L60E.
Where is the temp sensor on a 91 Chevy astro
Check the vaccuum hoses going to your manifold- The one that controls air flow direction to your AC is probably split Astroman
Yes.
where is the rear AC blower on the Chevy Astro 98
i have a code 12 on my chevy astro van what it means
How do you remove the dashboard fascia on a 1999 Chevy Astro?
2000 Chevy Astro Van weight
heater sensor circuit Chevy astro 2000
engine diagram of 1995 chevy astro vas