what causes no vent control on a 2005 chevy cavalier

2005 CHEVROLET CAVALIER
156,000 MILES
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JIMMY1969
  • MEMBER
  • 1 POST
turn to defrost or floor and only comes out of dash vents
Nov 25, 2011 at 5:58 PM
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RIVERMIKERAT
  • ✓Experienced Mechanic
  • 6,110 POSTS
Bad electrical connections, loss of vacuum, bad mechanical connections, frozen blend/control doors.
Nov 25, 2011 at 6:03 PM
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