Operation CHARM
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GMC Truck
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1983
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C 3500 1 Ton Pickup 2WD V8-379 6.2L DSL VIN J FI
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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 D - C.C.O.T. System
Chart D - C.C.O.T. System
Fig. 21d A/C cooling system diagnosis (Part 4 of 5). Models w/CCOT system: