FixVault

11 11 Engine Block

ENGINE BLOCK - TIGHTENING TORQUE SPECIFICATIONS (2AZ - 8AZ)

  Type Thread Tightening specification Measure
2AZ Main bearing screws S62 / N62 / N73 M11 Replace screws Do not wash off screw coating  
      Jointing torque 20 N.m.
      Torque angle 100 °
Main bearing screws Engine block lower section to upper section N40 / N42 / N45 / N46 M10 Replace screws  
      Jointing torque 20 N.m.
      Torque angle 70 °
3AZ Taper screw mount on main bearing        
Screws and spacer bolts M60 / M62 /M70 / S70 / M73 / S62 M8 Replace screws  
      Jointing torque 20 N.m.
      Torque angle 45 °
  N62 / N73 M8   34 N.m.
Threaded support sleeves M70 / M60 / M62 / S70 / M73 / S62     10 N.m.
  N62 / N73     6 N.m.
4AZ Struts/bracing shell M67 M10.9   66 N.m.
  all others M10   43 N.m.
  All M8   22 N.m.
5AZ Drain plug for coolant in engine block All M14 x 1.5   25 N.m.
6AZ Main oil gallery seal plugs All M16 x 1.5   34 N.m.
  All M18x1.5   40 N.m.
  N62 / N73 M18x1.5 Insert screw with Loctite 25 N.m.
  N40 / N42 / N45 / N46 M16x1.5   36 N.m.
Main oil gallery, rear (seal plugs with control valve) M62 / S62 M18x1   10 N.m.
7AZ Oil spray nozzle on engine block All M6   10 N.m.
Oil spray nozzle screwed into bearing seat (coat thread with Loctite 243) M73 M8x1   5 N.m.
Oil spray nozzle to engine block (banjo bolt) all others M8x1   12 N.m.
8AZ Pressure holding valve to crankcase (1bar) S54 / B32     20 N.m.