Question about 1999 Chevrolet Tahoe

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Air conditioner problems

My 1999 chevy tahoe will only blow air at your feet. it will not change air locations. please help

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If the air blows from the derfost and the footwells, then their may be a vacuum leak. Check under the hood there should be a vacuum line that goes from the firewall to a vacuum port on the intake manifold. Alot of times the line get corroded and breaks off.(If you find the pcv hose you are in the right direction)

Posted on Jan 29, 2009

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