FixVault

11 11 Engine block

TIGHTENING TORQUE SPECIFICATIONS - ENGINE BLOCK

  Type Thread Tightening specification Measure
1AZ Main bearing bolts (steel bolts 10.9) N55 M10x100 Replace screws  
Jointing torque 20 Nm
Torque angle 70 °
2AZ Bedplate
Aluminum screws/bolts
N55 M10x27 Replace screws
Thread repairs exclusively with Al Helicoil.
Jointing torque and angle of rotation must be observed without fail.
 
Jointing torque 15 Nm
Torque angle 90 °
3AZ Bedplate
Aluminum screws/bolts
N55 M8x37 Replace screws
Thread repairs exclusively with Al Helicoil.
Jointing torque and angle of rotation must be observed without fail.
 
Jointing torque 8 Nm
Torque angle 90 °
4AZ Bedplate
Aluminum screws/bolts are marked with blue paint.
N55 M10x41 Replace screws
Thread repairs exclusively with Al Helicoil.
Jointing torque and angle of rotation must be observed without fail.
 
Jointing torque 15 Nm
Torque angle 90 °
5AZ Oil spray nozzles to engine block N55   Hollow bolt 12 Nm
6AZ Screw plug, coolant drain plug N55 M14x1.5 Replace screw with sealing ring 25 Nm
7AZ Screw plug, timing case upper section N55 M22x1.5 Replace screw with sealing ring 50 Nm
8AZ Screw plug, timing case upper section N55 M33x1.5 Replace screw with sealing ring 50 Nm
9AZ Screw plug, timing case lower section N55 M16x1.5 Replace screw with sealing ring 27 Nm