Operation CHARM
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GMC Truck
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1991
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C 3500 Truck 2WD V8-454 7.4L
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Repair and Diagnosis
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Specifications
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Mechanical Specifications
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Compressor HVAC
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System Specifications
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Compressor Clutch Air Gap
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With SD-709 Compressor
With SD-709 Compressor
Clutch Hub Air Gap
0.49 - 0.79 mm (0.016 - 0.031 in.)