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Home >> Chevrolet >> 2011 >> Express 1500 RWD V6-4.3L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly
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Cylinder Head Assembly






Cylinder Head





First pass 30 Nm (22 lb ft)
Long bolts (1, 4, 5, 8, 9) a final pass 75 degrees
Medium bolts (12, 13) a final pass 65 degrees
Short bolts (2, 3, 6, 7, 10, 11) a final pass 55 degrees

Use NEW cylinder head bolts

Warpage maximum within a 152.4 mm (6.0 in)

Block deck 0.10 mm (0.004 in)
Exhaust manifold deck 0.05 mm (0.002 in)
Intake manifold deck 0.10 mm (0.004 in)

Intake manifold Specifications

Exhaust manifold Specifications