Operation CHARM
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GMC Truck
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1998
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Envoy 4WD V6-4.3L VIN X
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Cylinder Head Assembly
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Specifications
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Intake Manifold Torque & Sequence
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Lower Intake Manifold
Lower Intake Manifold
Lower Intake Manifold Bolt:
First Pass in Sequence
3 Nm (27 inch lbs.)
Second Pass in Sequence
12 Nm (106 inch lbs.)
Final Pass in Sequence
15 Nm (11 ft. lbs.)