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Home >> GMC >> 2012 >> Terrain AWD V6-3.0L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly
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Cylinder Head Assembly


Use NEW cylinder head bolts

Left Sequence:




Right Sequence:





Cylinder Head Bolt - M11 (1)

First Pass (1) 30 Nm (22 lb ft)
Final Pass (1) 150 Degrees

Cylinder Head Bolt - M8 (2)

First Pass (2) 15 Nm (11 lb ft)
Final Pass(2) 75 Degrees

Deck Flatness
Warpage limit less than 0.05 mm (0.002 in)


Camshaft Cap Bolt

Tighten 10 Nm (89 lb in)
Loosen 1, 2, 3, 4
Retighten 1, 2, 3, 4 10 Nm (89 lb in)

Left (DI):




Right (DI):





Intake manifold Specifications

Camshaft gear Specifications