13 53 Fuel Injection Nozzles and Pipes
FUEL INJECTION NOZZLES AND PIPES - TIGHTENING TORQUE SPECIFICATIONS
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Rail, high-pressure side, to cylinder head | N63 | M7 | 13 ± 2 Nm | |
| 2AZ | High-pressure lines to rail and injector | N63 | M12 | Initial tightening | 10 Nm |
| Final tightening (Retorque twice) | 23 Nm | ||||
| 3AZ | High-pressure line to rail and high-pressure pump | N63 | M14 | Initial tightening | 10 Nm |
| Final tightening (Retorque twice) | 30 Nm | ||||
| 4AZ | Feed line to high-pressure pump | N63 | M14 | Initial tightening | 10 Nm |
| Final tightening (Retorque twice) | 30 Nm | ||||
| 5AZ | Holding-down element to cylinder head for injection nozzles | N63 | M7 | 13 ± 2 Nm | |
| 6AZ | Lug to fuel low-pressure sensor | N63 | M6 | 10 Nm | |
| 7AZ | Retaining clips to holder | N63 | M6 | 10 Nm | |
| 8AZ | High-pressure sensor to rail, high-pressure side | N63 | 30 Nm | ||
| 9AZ | Low-pressure fuel sensor to feed line | N63 | 20 Nm | ||