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 | S63 B44 T 0 | M6 | 10 Nm | |
| 2AZ | High pressure rail to injector | S63 B44 T 0 | M12 | Initial torque | 10 Nm |
| Final torque (Retorque twice) | 23 Nm | ||||
| 3AZ | High pressure rail to high pressure pump | S63 B44 T 0 | M14 | Initial torque | 10 Nm |
| Final torque (Retorque twice) | 30 Nm | ||||
| 4AZ | Feed line to high pressure pump | S63 B44 T 0 | M14 | Initial torque | 10 Nm |
| Final torque (Retorque twice) | 30 Nm | ||||
| 5AZ | Holding-down element to cylinder head for injection nozzles | S63 B44 T 0 | M7 | 13 ± 2 Nm | |
| 6AZ | Feed line to cylinder head cover | S63 B44 T 0 | M6 | 10 Nm | |
| 7AZ | Retaining clips to holder | S63 B44 T 0 | M5 | 6 Nm | |
| 8AZ | High pressure sensor to rail | S63 B44 T 0 | 30 Nm | ||
| 9AZ | Special tool 2 249 115 to cylinder head cover | S63 B44 T 0 | M7 | 13 Nm | |
| M6 | 10 Nm | ||||