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Cylinder Head Assembly: Specifications

CYLINDER HEAD TORQUE AND SEQUENCE

Left:




Right:





Cylinder Head Bolt (M11)
First Pass 40 Nm (30 lb ft)
Second Pass +70 degrees
Third Pass +60 degrees
Final Pass +45 degrees/175 degrees Total

Cylinder Head Bolt (M6) 12 Nm (106 lb in)

HEAD BOLT REUSE/REPLACE

Note: DO NOT reuse the M11 cylinder head bolts.

SURFACE VARIATION - HEAD-TO-BLOCK, HEAD-TO-MANIFOLDS

BLOCK

Cylinder Head Deck Surface Flatness 0.100 mm (0.0039 in)

CYLINDER HEAD

Surface Flatness - Block Deck 0.050 mm (0.0020 in)

Surface Flatness
Exhaust Manifold Deck 0.220 mm (0.0087 in)
Intake Manifold Deck 0.220 mm (0.0087 in)

INTAKE MANIFOLD TORQUE AND SEQUENCE





Tighten the bolts in the sequence shown to 10 Nm (89 lb in)

CAMSHAFT BEARING CAP BOLT

Left Exhaust:





Left Intake:





Right Exhaust:





Right Intake:





First Pass 5 Nm (44 lb in)
Final Pass +30 degrees

EXHAUST MANIFOLD TORQUE AND SEQUENCE

Exhaust Manifold Bolt/Nut 25 Nm (18 lb ft)