Operation CHARM
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GMC Truck
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1982
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C 1500 1/2 Ton Pickup 2WD V8-350 5.7L VIN L 4-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: