1353 Fuel Injector Nozzles and Lines (N54)
TIGHTENING TORQUE SPECIFICATIONS - FUEL INJECTOR NOZZLES AND LINES
| Type | Thread | Tightening specifications | Dimension | ||
|---|---|---|---|---|---|
| 1AZ | Rail, high-pressure side, to cylinder head | N53/N54/N54T | M7 x 16 | 13 ± 2 Nm | |
| 2AZ | High pressure line to cylinder head | N53/N54/N54T | M7 x 16 | 13 ± 2 Nm | |
| 3AZ | High-pressure fuel sensor | N53/N54/N54T | M10 | 30 - 5 Nm | |
| 4AZ | Fuel low-pressure sensor | N53/N54/N54T | M10 | 20 - 3 Nm | |
| 5AZ | Hold-down device to cylinder head | N53/N54/N54T | M7 x 20 | 13 ± 2 Nm | |
| 6AZ | Feed line to high pressure pump | N53/N54/N54T | M14 | Coat screw connection with transmission oil. | 30 ± 3 Nm |
| 7AZ | High pressure line to rail and high pressure pump | N53/N54/N54T | M14 | Coat screw connection with transmission oil. | 30 ± 3 Nm |
| 8AZ | High pressure lines to rail and injector | N53/N54/N54T | M12 | Coat screw connection with transmission oil. | 23 ± 3 Nm |
| 9AZ | Fuel delivery line | N53/N54/N54T | M8 x 17 | Replace screw. | |
| 1. Tightening | 10 Nm | ||||
| 2. Torsion angle adjustment | 90° ± 15° | ||||
| 10AZ | Bracket, fuel line, to engine mounting bracket | N53/N54/N54T | M6 x 12 | 8 Nm | |