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11 11 Engine block

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TIGHTENING TORQUE SPECIFICATIONS - ENGINE BLOCK

  Type Thread Tightening specifications Dimension
1AZ Main bearing bolts (steel bolts 10.9) N54/N54T M10x100 Replace bolts  
      Jointing torque 20 Nm
      Angle of rotation 70 °
2AZ Bedplate Aluminum screws/bolts are permitted with and without color coding (blue). N54/N54T M10x27 Replace screws Thread repairs exclusively with Al Helicoil.
Jointing torque and angle of rotation must be observed without fail.
 
      Jointing torque 15 Nm
      Angle of rotation 90 °
3AZ Bedplate
Aluminum screws/bolts are permitted with and without color coding (blue).
N54/N54T M8x37 Replace screws
Thread repairs exclusively with Al Helicoil.
Jointing torque and angle of rotation must be observed without fail.
 
      Jointing torque 10 Nm
      Angle of rotation 90 °
4AZ Bedplate
Aluminum screws/bolts are permitted with and without color coding (blue).
N54/N54T M10x41 Replace screws
Thread repairs exclusively with Al Helicoil.
Jointing torque and angle of rotation must be observed without fail.
 
      Jointing torque 15 Nm
      Angle of rotation 90 °
5AZ Oil spray nozzles to engine block N54/N54T   Hollow bolt 12 Nm
6AZ Screw plug, gutter strip N54/N54T M14x1.5 Replace gasket 25 Nm
7AZ Screw plug, gear case upper section N54/N54T M22x1.5 Replace gasket 50 Nm
8AZ Screw plug, gear case lower section N54/N54T M16x1.5 Replace gasket 30 Nm