Cylinder Head Assembly

Cylinder Head Screw
Sequence 1
Torque 5 Nm (3.5 ftlb.)
Sequence 2
Torque 50 Nm (37 ftlb.)
Sequence 3
Loosen all screws
Sequence 4
Torque 5 Nm (3.5 ftlb.)
Sequence 5 Cylinder head screw, internal and external Torx M12 X 1.5 X 140
Torque 12 Nm (9 ftlb.)
Sequence 6
Torque angle 60°
Sequence 7
Torque angle 60°





Tightening sequence for mounting camshafts 1-3





Tightening sequence for mounting camshafts 4-6

Torx screw (camshaft bearing cover) M6 x 37 x 25
Initial tightening 5 Nm (3.5 ftlb.)

Torx screw (camshaft bearing cover)
Subsequent tightening
Tightening torque 5 Nm (3.5 ftlb.)
Torque angle 50°

Torx screw (camshaft bearing cover) M6 x 1.25 x 51
Initial tightening 5 Nm (3.5 ftlb.)

Torx screw (camshaft bearing cover)
Subsequent tightening
Tightening torque 5 Nm (3.5 ftlb.)
Torque angle 50°

Torx screw (camshaft timing gear) M12 x 1.5 x 60
Tightening torque 30 Nm (22 ftlb.)
Torque angle 70°

Exhaust manifold to cylinder head External Torx, M8 x 21
Tightening torque 23 Nm (17 ftlb.)





Intake-air distributor to cylinder head External Torx screw, M6 x 35
Tightening specifications (view of 3.8-liter engine)
Tightening torque 13 Nm (9.5 ftlb.)