Truck Forums - air flow thru vents 93' sierra

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joegmc

06-24-2009 11:02 PM

air flow thru vents 93' sierra

i just bought my second 93 sierra and the a/c vents won't blow full-on without the setting on hi. when on low, i don't feel a thing!! what do yall think it might be???
thanks
joe

RUFFNECK4LYFE

06-25-2009 12:14 AM

Check under or behind the glove compartment for a loose or hanging vacum hose.

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