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11 12 Cylinder Head With Lid

11 12 TIGHTENING TORQUE OVERVIEW

Flange to assembly jig 
M14X30 Tightening torque  135 Nm
Injector shaft to cylinder head 
M6x30 8.5 Nm
Sealing flange to cylinder head cover 
M6x20 hexagon screw 10 Nm
M6x18 external Torx 5.5 Nm

N55 ENGINE (2016-2018): 

11 12 CYLINDER HEAD WITH CYLINDER HEAD COVER - TIGHTENING TORQUE SPECIFICATION

  Type Thread Tightening specification Measure
1AZ Cylinder head bolt N55 M11 x173 Replace screws.
Jointing torque
  1. Angle of rotation
  2. Angle of rotation
30 Nm
90°
180°
2AZ Cylinder head bolt N55 M9 x 170 Replace screws.
Jointing torque
  1. Angle of rotation
  2. Angle of rotation
30 Nm
90°
180 °
3AZ Cylinder head bolt N55 M9 x 30 M9 x 70   22 Nm
4AZ Cylinder head cover to cylinder head. N55 M6   8.5 Nm
5AZ Towing lug to cylinder head N55     30 Nm
6AZ Ignition coil cover to cylinder head cover. N55 M6 x 30   4 Nm
7AZ Metal bracket for ignition coil cover to cylinder head cover. N55 M6 x 16   8 Nm
8AZ Ignition coils and injector slot to cylinder head N55 M6 x 30   8.5 Nm
9AZ EMC plate to ignition coils and injector slot (EMC = electromagnetic compatibility) N55 M6 x 20   8.0 Nm
10AZ EMC plate to ignition coils and injector slot (EMC = electromagnetic compatibility) N55 M6 x 18.5 Earth connection 8.5 Nm
11AZ Screw plug in oil chamber N55 M16 x 1.5 Replace screw with sealing ring 27 Nm

S55 ENGINE (2019-2022): 

11 12 CYLINDER HEAD WITH CYLINDER HEAD COVER - TIGHTENING TORQUE SPECIFICATION

  Type Thread Tightening specifications Dimension
1AZ Cylinder head bolt S55 M11x173 Replace screws.
Jointing torque
30 Nm
1. Angle of rotation 90°
2. Angle of rotation 180°
2AZ Cylinder head bolt S55 M9x30
M9x70
  22 Nm
3AZ Cylinder head cover to cylinder head. S55 M6   9 Nm
4AZ Towing lug to cylinder head S55   Hand-tighten to limit position  
5AZ Ignition coils and injector slot to cylinder head S55 M6x35   9 Nm
6AZ Wiring harness to cylinder head cover S55 D10 L43, 5 Self-tapping screw (ball pin) 7 Nm
7AZ Heat shield support to cylinder head S55 M6x16   10 Nm
8AZ Ground strap to rear of cylinder head S55 M6x16   8 Nm
9AZ Battery voltage wire holder to cylinder head S55 M7x18   13 Nm
10AZ Blow By line with heating to clean air pipe of cylinder 1-3 S55 Ejot drive train 50x 20   3 Nm
11AZ Screw plug in oil chamber S55 M16x1.5 Replace screw with sealing ring. 27 Nm
12AZ Sealing flange of servomotor to cylinder head cover S55 M6x18 Self-tapping screw 6 Nm
13AZ Stud bolt of exhaust manifold (turbocharger) to cylinder head S55 M7   8 Nm