Operation CHARM
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GMC Truck
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1989
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R 2500 P/U 2WD L6-292 4.8L
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Repair and Diagnosis
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Specifications
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Capacity Specifications
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Heating and Air Conditioning
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Refrigerant Oil
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A/C Oil
A/C Oil
With R4 Compressor
6 oz
With HR6 Compressor
8 oz