Question about 2002 Chevrolet Astro
No air flow at all out of the vents A/C or fresh air. The blower works fine but no air through the vents. Help!!!
There is a thin vacuum hose running across the top of the engine from the front left side to the rear. this connects to the back of your a/c position switch. Over time it becomes brittle and cracks therefore leaving your vents stuck in it's last positon. Cut out the bad section and purchase about 3 feet of rubber hose at the auto store. Take a piece of the bad section with you to see which size hose will fit onto it. Slip it over the cut ends and pass it thru the space where the windshild washer fluid hose is attached to the back wall. This will keep it up and away from the heat. I had this problem on a 1997, 1999 and 2002 Astro and fixed the problem for less that $3.
Posted on Aug 18, 2009
Theres a valve/actuator that opens when u set the switch for differnt settings ac has it own heat vise versa located under dash might need to go to mech shop location varies and theres usually 2 or 3 down there so if ur nit sure which one its kind a guessing game
Posted on Jun 20, 2009
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Posted on Jan 02, 2017
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