Operation CHARM
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GMC Truck
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1984
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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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Specifications
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Pressure, Vacuum and Temperature Specifications
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Compression Check
Compression Check
2068 kPa (300 psi).
Perform compression test with engine at normal operating temperature, glow plugs removed and throttle wide open.