Question about 2001 Chevrolet Silverado

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Air flow to defrost or floor not switching stays on dash vents

I have 99 silverado new body style, the air flow inside only flows through the dash vents not switching to defrost vents. what can be done?

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Cannot switch from defrost to panel airflow 2001 chevy silverado

Posted on Jul 22, 2011

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Posted on Jan 02, 2017

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SOURCE: Air flow to defrost

your heater,defrost control modular needs to be tested for funtionallity

Posted on Oct 07, 2009

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