Operation CHARM
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Chevrolet
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1983
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G 30 1 Ton Van L6-250 4.1L VIN D 2-bbl
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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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Component Tests and General Diagnostics
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System Diagnostic Charts - Cycling Clutch Orifice Tube (CCOT)
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Chart A - C.C.O.T. System
Chart A - C.C.O.T. System
Fig. 21a A/C cooling system diagnosis (Part 1 of 5). Models w/CCOT system: