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GMC Truck
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1993
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Safari Van AWD V6-262 4.3L VIN Z
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Repair and Diagnosis
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Specifications
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Mechanical Specifications
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Engine
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Cylinder Head Assembly
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Rocker Arm Assembly
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Rocker Arm Nut Torque
Rocker Arm Nut Torque
VALVE ADJUSTMENT (VIN Z)
WITH SCREW-IN ROCKER ARM STUDS AND POSITIVE STOP SHOULDERS
Valve Rocker Arm Nuts
27 Nm (20 lb. ft.).
WITH PRESSED-IN ROCKER ARM STUDS
Refer to
Rocker Arm / Adjustments.