13 53 Injector Nozzles And Lines
N55T0 ENGINE (2016-2018):
13 53 FUEL INJECTOR NOZZLES AND LINES - TIGHTENING TORQUE SPECIFICATION
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ High pressure pump to vacuum pump | N55/N55 Hybrid | 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/N55 Hybrid | M7 | 13±1 Nm | |
| 3AZ High-pressure line to cylinder head | N55/N55 Hybrid | M7 | 13±2 Nm | |
| 4AZ Fuel high-pressure sensor | N55/N55 Hybrid | M10 | 30-5 Nm | |
| 5AZ Fuel low-pressure sensor | N55/N55 Hybrid | 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/N55 Hybrid | M7 | 13±1 Nm | |
| 7AZ Feed line to high pressure pump | N55/N55 Hybrid | M14 | Coat screw connection with transmission oil. | 30±3 Nm |
| 8AZ High pressure line to rail and high pressure pump | N55/N55 Hybrid | M14 | Coat screw connection with transmission oil. | 30±3 Nm |
| 9AZ High pressure lines to rail and injection system | N55/N55 Hybrid | M12 | Coat screw connection with transmission oil. | 23±3 Nm |
| 10AZ Fuel delivery line | N55/N55 Hybrid | M8 | Replace screw.
|
5 Nm 90°±15° |
| 11AZ EMC plate to ignition coils and injector well | N55/N55 Hybrid | M6 | 8.5 Nm | |
| 12AZ Screw plug in the EMC plate | N55/N55 Hybrid | 25 Nm | ||
| 13AZ Special tool 13 0 270 or 0 496 885 on injector shaft | N55/N55 Hybrid | M6 | 8.5 Nm |
S55 ENGINE (2019-2022):
13 53 FUEL INJECTOR NOZZLES AND LINES - TIGHTENING TORQUE SPECIFICATION
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ High pressure pump to vacuum pump | S55 | M6 x 25 | 12 Nm | |
| 2AZ Rail to cylinder head | S55 | M7 | 13±1 Nm | |
| 3AZ Feed line to left engine support | S55 | M6 | 8 Nm | |
| 4AZ Fuel high-pressure sensor | S55 | M10 | 30-5 Nm | |
| 5AZ Fuel low-pressure sensor | S55 | M10 | 30-5 Nm | |
| 6AZ Hold-down device to cylinder head | S55 | M7x90 | 13±1 Nm | |
| 7AZ Double feed line to high pressure pump | S55 | M14 | Coat screw connection with transmission oil. | 30±3 Nm |
| 8AZ High pressure line to rail and high pressure pump | S55 | M14 | Coat screw connection with transmission oil. | 30±3 Nm |
| 9AZ Rail to injector | S55 | M12 | Coat screw connection with transmission oil. | 23±3 Nm |
| 10AZ Special tool 0 496 885 on injector shaft | S55 | M6 | 8.5 Nm |