Operation CHARM
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GMC Truck
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1989
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Suburban 3/4 Ton 2WD V8-350 5.7L
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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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Compressor Clutch
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Tightening Specifications
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With R-4 Compressor
With R-4 Compressor
Shaft Nut
14 N.m (10 ft. lbs.)
Pressure Switch
10 N.m (88 in. lbs.)
Front Head Bolts
27 N.m (20 ft. lbs.)
Pressure Relief Valve
17 N.m (13 ft. lbs.)
Rim Mounting Screws
11 N.m (100 in. lbs.)
Oil Drain Screw
17 N.m (13 ft. lbs.)