13 53 Fuel Injector Nozzles and Lines
WARNING: This page is about a different variant/trim than selected.
TIGHTENING TORQUE SPECIFICATIONS - FUEL INJECTOR NOZZLES AND LINES
| Type | Thread | Tightening specifications | Dimension | ||
|---|---|---|---|---|---|
| 1AZ | High-pressure rail to cylinder head | N63 B44 O 0 | M7 | 13 ± 2 Nm | |
| N63 B40 O 1/N63 B44 O 1 | M6 | 10± 1.5 Nm | |||
| 2AZ | High pressure lines to rail and injector/high-pressure rail on injector | N63 B44 O 0/N63 B40 O 1/N63 B44 O 1 | M12 | Initial torque | 10 Nm |
| Final torque (Retorque twice) | 23 Nm | ||||
| 3AZ | High pressure line to rail and high pressure pump/high-pressure rail to high pressure pump | N63 B44 O 0/N63 B40 O 1/N63 B44 O 1 | M14 | Initial torque | 10 Nm |
| Final torque (Retorque twice) | 30 Nm | ||||
| 4AZ | Feed line to high pressure pump | N63 B44 O 0/N63 B40 O 1/N63 B44 O 1 | M14 | Initial torque | 10 Nm |
| Final torque (Retorque twice) | 30 Nm | ||||
| 5AZ | Holding-down element to cylinder head for injection nozzles | N63 B44 O 0 | M7 | 13 ± 2 Nm | |
| 6AZ | Tab on the fuel low-pressure sensor/feed line to cylinder head cover and cylinder head | N63 B44 O 0 | M6 | 10 Nm | |
| 7AZ | Retaining clips to holder | N63 B44 O 0 | M6 | 10 Nm | |
| N63 B40 O 1/N63 B44 O 1 | M5 | 6 Nm | |||
| 8AZ | High-pressure sensor to rail, high-pressure side | N63 B44 O 0/N63 B40 O 1/N63 B44 O 1 | 30 Nm | ||
| 9AZ | Low-pressure fuel sensor to feed line | N63 B44 O 0 | 20 Nm | ||
| 10AZ | Special tool 13 0 300 to cylinder head cover | N63 B44 O 0 | 10 Nm | ||
| 11AZ | Special tool 2 249 115 to cylinder head cover | N63 B40 O 1/N63 B44 O 1 | M7 | 13 Nm | |
| M6 | 10 Nm | ||||