13 53 Fuel Injection Nozzles and Pipes
TIGHTENING TORQUE SPECIFICATIONS - FUEL INJECTION NOZZLES AND PIPES
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Rail, high-pressure side, to cylinder head | N74 | M7 | 13 ± 2 Nm | |
| 2AZ High-pressure lines to rail and injector | N74 | M12 | Initial tightening Final tightening (Retorque twice) |
10 Nm 23 Nm |
| 3AZ High-pressure line to rail and high-pressure pump | N74 | M14 | Initial tightening Final tightening (Retorque twice) |
10 Nm 30 Nm |
| 4AZ Feed line to high-pressure pump | N74 | M14 | Initial tightening Final tightening (Retorque twice) |
10 Nm 30 Nm |
| 5AZ Holding-down element to cylinder head for injection nozzles | N74 | M7 | 13 ± 2 Nm | |
| 6AZ Lug to fuel low-pressure sensor | N74 | M6 | 10 Nm | |
| 7AZ Retaining clips to intake plenum | N74 | M6 | 10 Nm | |
| 8AZ High-pressure sensor to rail, high-pressure side | N74 | 30 Nm | ||
| 9AZ Low-pressure fuel sensor to feed line | N74 | 20 Nm | ||