2003 Trailblazer A/C

I have a 2003 Trailblazer and the A/C will not blow from the top vents. It will only blow from the bottom vents and the defrost vent. Does anyone know how to fix this problem?

Reply to
Clamor
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Vacuum hose problem more than likely.

Good Luck Bill

Reply to
Bill Wragg

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