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1111 Engine Block

11 11 ENGINE BLOCK - TIGHTENING TORQUE SPECIFICATION

  Type Thread Tightening specifications Dimension
1AZ Main bearing bolts (steel bolts 10.9) S55 M 10x100 Replace screws
Observe tightening sequence
 
Jointing torque 20 Nm
Angle of rotation 70°
2AZ Bedplate
Aluminium screws.
S55 M 10x27 Replace screws
Thread repairs exclusively with AI Helicoil.
Jointing torque and angle of rotation must be observed without fail.
 
Jointing torque 15 Nm
Angle of rotation 45°
3AZ Bedplate
Aluminium screws.
S55 M8x37 Replace screws
Thread repairs exclusively with AI Helicoil.
Jointing torque and angle of rotation must be observed without fail.
 
Jointing torque 8 Nm
Angle of rotation 90°
4AZ Bedplate S55 M10x41 Replace screws
Thread repairs exclusively with AI Helicoil.
Jointing torque and angle of rotation must be observed without fail.
Note: Aluminium screws are marked with blue color
 
Jointing torque 15 Nm
Angle of rotation 90°
5AZ Oil spray nozzles to engine block S55   Hollow bolt 12 Nm
6AZ Screw plug, gear case upper section S55 M22x1.5 Replace screw with sealing ring 50 Nm
7AZ Screw plug, gear case lower section S55 M 16x1.5 Replace screw with sealing ring 27 Nm
8AZ Transmission cover plate to crankcase S55 M6x16 Replace screws
Thread repairs exclusively with AI Helicoil.
Jointing torque and angle of rotation must be observed without fail.
 
Jointing torque 4 Nm
Angle of rotation 90°