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Home >> Chevrolet >> 2012 >> Sonic L4-1.8L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly
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Cylinder Head Assembly










NOTE:
USE NEW cylinder head bolts

First Pass 25 Nm (18 lb ft)
Second Pass 90°
Third Pass 90°
Fourth Pass 90°
Fifth Pass 45°

Cylinder Head Surface Flatness - Block Deck Longitude 0.05 mm (0.00197 in)
Cylinder Head Surface Flatness - Block Deck Transverse 0.03 mm (0.00118 in)






Camshaft Bearing Caps in sequence (2, 3, 1, 4) 8 Nm (71 lb in)

Intake Manifold Bolt 20 Nm (15 lb ft)

Exhaust Manifold 20 Nm (15 lb ft)