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Home >> Chevrolet >> 2003 >> Impala V6-3.4L VIN E >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly >> System Specifications >> Overhaul Specifications
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Overhaul Specifications

Surface Finish - Maximum 2.8 RA
Surface Flatness - Block Deck 0.08 mm (per 152 mm (0.003 inch) per 6 inch)
Surface Flatness - Exhaust Manifold Deck 0.1 mm (0.004 inch)
Surface Flatness - Intake Manifold Deck 0.1 mm (0.004 inch)





Cylinder head bolts
Install the new cylinder head bolts
First Pass 60 Nm (44 ft. lbs.)
Final Pass 95 degrees

Upper Intake Manifold 25 Nm (18 ft. lbs.)





Lower Intake Manifold
Tighten the vertical lower intake manifold bolts (1) 7 Nm (62 inch lbs.)
Tighten the diagonal lower intake manifold bolts (2) 7 Nm (62 inch lbs.)
Tighten the vertical lower intake manifold bolts (1) 13 Nm (115 inch lbs.)
Tighten the diagonal lower intake manifold bolts (2) 13 Nm (115 inch lbs.)
Exhaust manifold 16 Nm (12 ft. lbs.)