2004 Oldsmobile Bravada Vents

2004 OLDSMOBILE BRAVADA
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MRSJONES12
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Air Conditioning problem
2004 Oldsmobile Bravada 4 cyl All Wheel Drive 80000 miles

The air vents in the front of the vehicle are not blowing any air out. The air and heat come out from all other vents except the ones on the front dash. How do I fix this?
Aug 19, 2009 at 3:24 AM
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JACOBANDNICKOLAS
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The vents are actuated by vacuum. Therefore, you are looking for a vacuum leak. Check under the dash and the hood for leaks. Sometimes, with the engine running, you can hear a hissing from a leak. Try that if you can't find it.
Sep 15, 2009 at 1:29 PM