air conditioning

CHEVROLET ASTRO
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KICK2U
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I have a 92 chevy astro ac works great but only blows out of the defrost or bottom vents wont blow out of dash vents. it used to work great last summer, but now wont blow out of the dash even on the heat setting.

Do you have any advice on what to check?
Jun 17, 2007 at 2:40 PM
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BOOTDOG
  • CERTIFIED EXPERT
  • 665 POSTS
look under the hood for a broken vacuum line.
Jun 17, 2007 at 5:03 PM