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GMC Truck
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2004
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Sierra 2500 4WD V8-6.6L DSL Turbo VIN 2
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Repair and Diagnosis
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Heating and Air Conditioning
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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Symptoms - HVAC System - Automatic
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Air Recirculation Malfunction
Air Recirculation Malfunction
Steps 1-5:
