Operation CHARM
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Chevy Truck
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1986
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K 30 P/U 4WD V8-305 5.0L
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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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Without A/C
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Erratic Heater Operation
Erratic Heater Operation
Hard Operating Controls, Erratic Operation:
