Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

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Cylinder Head Assembly

CYLINDER HEAD

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)

Left:






HEAD BOLT REUSE/REPLACE

Notice: DO NOT reuse the old M11 cylinder head bolts.

CYLINDER HEAD SURFACE VARIATION

CYLINDER HEAD

Surface Flatness - Block Deck 0.050 mm (0.0020 in)

CYLINDER BLOCK

Cylinder Head Deck Surface Flatness 0.100 mm (0.0039 in)

MANIFOLD

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

Intake Manifold
Surface Flatness 0.500 mm (0.0200 in)

INTAKE MANIFOLD

Intake Manifold Bolt 10 Nm (89 lb in)






CAMSHAFT BEARING CAP

Camshaft Bearing Cap Bolt
First Pass 5 Nm (44 lb in)
Final Pass +30 degrees

EXHAUST MANIFOLD

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






Camshaft intermediate sprocket bolt 60 Nm (44 lb ft).
Camshaft sprocket bolts 120 Nm (89 lb ft).