FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Chevy Truck
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1999
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S10/T10 P/U 4WD V6-4.3L VIN X
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Repair and Diagnosis
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Heating and Air Conditioning
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Description and Operation
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Heating, Ventilation and Air Conditioning
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Modes Description
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Vent Mode
Vent Mode
When the mode control knob is in the VENT position, outside air is delivered through the instrument panel outlets to ventilate the passenger compartment, as shown by the symbol.