13 53 Fuel Injection Nozzles and Pipes
FUEL INJECTION NOZZLES AND PIPES - TIGHTENING TORQUES SPECIFICATION
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Rail, high-pressure side, to cylinder head | N54, N53 | M7 x 16 | 13 ± 2 Nm | |
| 2AZ High-pressure line to cylinder head | N54, N53 | M7 x 16 | 13 ± 2 Nm | |
| 3AZ High-pressure fuel sensor | N54, N53 | M10 | 30 - 5 Nm | |
| 4AZ Low-pressure fuel sensor | N54, N53 | M10 | 20 - 3 Nm | |
| 5AZ Holding-down element to cylinder head | N54, N53 | M7 x 20 | 13 ± 2 Nm | |
| 6AZ Feed line to high-pressure pump | N54, N53 | M14 | Coat screw connection with transmission oil | 30 Nm |
| 7AZ High-pressure line to rail and high-pressure pump | N54, N53 | M14 | Coat screw connection with transmission oil | 30 ± 3 Nm |
| 8AZ High-pressure lines to rail and injector | N54, N53 | M12 | Coat screw connection with transmission oil | 25 Nm |
| 9AZ Fuel feed line | N54, N53 | M8 x 17 | Replace screw | |
| 1. Tightening | 10 Nm | |||
| 2. Angle-of-rotation tightening | 90° ± 15° | |||
| 10AZ Bracket, fuel line, to engine support frame | N54, N53 | M6 x 12 | 8 Nm |