F 250 4WD Super Duty V10-6.8L VIN Z CNG (2003)
Camshaft Gear/Sprocket: Specifications
Camshaft Pulley/Gear Torque
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M10 bolt: Tighten in two stages.
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Stage 1: Tighten to 40 Nm (30 ft. lbs.).
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Stage 2: Tighten an additional 90 degrees.
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M12 bolt: Tighten to 120 Nm (90 ft. lbs.).