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Chevy Truck
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1999
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K 2500 Truck 4WD V8-6.0L VIN U
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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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HVAC System - Manual
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Air Distribution System Description
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General Information
General Information
The electronically-actuated doors control airflow. At various positions of the rotary knobs on the
control assembly
, the mode doors mix and direct cooled, heated, and outside air through the
air distribution duct
.