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1353 Fuel Injector Nozzles and Lines (N55)

TIGHTENING TORQUE SPECIFICATIONS - FUEL INJECTOR NOZZLES AND LINES

  Type Thread Tightening specifications Dimension
1AZ High pressure pump to vacuum pump N55 M6 x 25 Continental high pressure pump 9±1 Nm
M6 x 25 Bosch high pressure pump 12±1 Nm
2AZ Rail to cylinder head N55 M7   13±1 Nm
3AZ High-pressure line to cylinder head N55 M7   13±2 Nm
4AZ Fuel high-pressure sensor N55 M10   30-5 Nm
5AZ Fuel low-pressure sensor N55 M10 Sensata fuel low-pressure sensor 20-3 Nm
M10 Bosch fuel low-pressure sensor 30-5 Nm
6AZ Hold-down device to cylinder head N55 M7   13±1 Nm
7AZ Feed line to high pressure pump N55 M14 Coat screw connection with transmission oil. 30±3 Nm
8AZ High pressure line to rail and high pressure pump N55 M14 Coat screw connection with transmission oil. 30±3 Nm
9AZ High pressure lines to rail and injection system N55 M12 Coat screw connection with transmission oil. 23±3 Nm
10AZ Fuel delivery line N55 M8 x 17 Replace screw.  
1. Jointing torque 5 Nm
2. Torsion angle adjustment 90°±15°
11AZ EMC plate to ignition coils and injector well N55 M6   8.5 Nm
12AZ Screw plug in the EMC plate N55     25 Nm
13AZ Special tool 13-0270 DEVICE or 0 496 885 on injector shaft N55 M6   8.5 Nm