Cylinder Head Assembly

CYLINDER HEAD




Cylinder Head M8 Bolts - in Sequence 30 Nm (22 lb ft)

Cylinder Head M11 Bolts
First Pass in Sequence 30 Nm (22 lb ft)
Second Pass in Sequence 90 degrees
Final Pass in Sequence 70 degrees

BOLT RE-USABILITY

Note: Do not use the cylinder head bolts again. Install NEW cylinder head bolts during assembly.

SURFACE VARIATION

Surface Flatness - Block Deck - Measured Within a 152.4 mm (6.0 in) Area 0.08 mm (0.003 in)

Surface Flatness - Block Deck - Measuring the Overall Length of the Cylinder Head 0.1 mm (0.004 in)

Cylinder Head Deck Surface Flatness - Measured Within a 152.4 mm (6.0 in) Area 0.11 mm (0.004 in)

Cylinder Head Deck Surface Flatness - Measuring the Overall Length of the Block Deck 0.22 mm (0.008 in)

Surface Flatness - Exhaust Manifold Deck 0.13 mm (0.005 in)

Surface Flatness - Intake Manifold Deck 0.08 mm (0.0031 in)

Surface Flatness - Measured at Gasket Sealing Surfaces and Measured Within a 200 mm (7.87 in) Area that Includes 2 Runner Port Openings 0.3 mm (0.118 in)

INTAKE MANIFOLD




Intake Manifold Bolts
First Pass in Sequence 5 Nm (44 lb in)
Final Pass in Sequence 10 Nm (89 lb in)

EXHAUST MANIFOLD

Exhaust Manifold Bolts
First Pass 15 Nm (11 lb ft)
Final Pass 20 Nm (15 lb ft)