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Home >> Chevrolet >> 2003 >> Impala V6-3.8L VIN K >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly
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Cylinder Head Assembly

Surface Finish 0.0032 mm (0.000125 inch)
Surface Flatness - Block Deck 0.1016 mm (0.004 inch)
Surface Flatness - Exhaust Manifold Deck 0.1016 mm (0.004 inch)
Surface Flatness - Intake Manifold Deck 0.1016 mm (0.004 inch)




Cylinder head bolts
Install the new cylinder head bolts
First Pass 50 Nm (37 ft. lbs.)
Final Pass 120 degrees





Upper Intake Manifold bolts 10 Nm (89 inch lbs.)





Lower Intake Manifold bolts 15 Nm (11 ft. lbs.)

Exhaust Manifold Bolt/Nut 30 Nm (22 ft. lbs.)