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Home >> Chevrolet >> 2012 >> Sonic L4-1.4L Turbo >> 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 35 Nm (26 lb ft)
Second Pass Tighten an additional 180 degrees

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 Cap Bolts one turn at a time 8 Nm (71 lb in)

Intake Manifold Bolt 20 Nm (15 lb ft)

Exhaust Manifold 20 Nm (15 lb ft)

NEW Camshaft Sprocket Bolts 50 Nm (37 lb ft) plus 60 degrees