24, Fuel System
WARNING: This page is about a different variant/trim than selected.
Fuel distributor pipe
| 1 | Fuel distribution pipe (fuel gallery) |
| 2 | Stopper; in 3 turns (tighten. loosen, tighten) > Tightening torque 25 Nm (19 ftlb.) |
| 3 | High-pressure sensor > Tightening torque 20 Nm (15 ftlb.) |
Injectors (high-pressure fuel injectors)
| 1 | Holder |
| 2 | Screw, M8 x 30 > Tightening torque 23 Nm (17 ftlb.) |
| 3 | Injector (high-pressure fuel injector) |
Mount for fuel distribution pipe
| 1 | Screw, M6 x 16 > Tightening torque 10 Nm (7.5 ftlb.) |
| 2 | Screw, M6 x 25 > Tightening torque 10 Nm (7.5 ftlb.) |
| 3 | High-pressure line connection |
| 4 | Connection to injector (high-pressure fuel injector); in 3 turns (tighten, loosen, tighten) > Tightening torque 25 Nm (19 ftlb.) |
High-pressure pump, turbo engine
| 1 | High-pressure pump |
| 2 | High-pressure line; (3 turns; tighten. loosen, tighten) > Tightening torque 25 Nm (19 ftlb.) |
| 3 | Screw, M6, for low-pressure line > Tightening torque 10 Nm (7.5 ftlb.) |
| 4 | Low-pressure line; (3 turns: tighten, loosen, tighten); counter at hexagon on high-pressure pump > Tightening torque 25 Nm (19 ftlb.) |
| 5 | Screw socket. M8 > Tightening torque 23 Nm (17 ftlb.) |
| 6 | Screw socket, M6 > Tightening torque 10 Nm (7.5 ftlb.) |
| 7 | Protective plate |
| 8 | Screw, M6 x 20 > Tightening torque 10 Nm (7.5 ftlb.) |
| inset | Required line distance (5 to 8 mm) between components |
Fig 5: High-Pressure Pump Components Location With Torque Specification (Naturally Aspirated Engine)
High-pressure pump, naturally aspirated engine
| 1 | High-pressure pump |
| 2 | High-pressure line; (3 turns: tighten, loosen, tighten) > Tightening torque 25 Nm (19 ftlb.) |
| 3 | Screw, M6, for low-pressure line > Tightening torque 10 Nm (7.5 ftlb.) |
| 4 | Low-pressure line; (3 turns: tighten, loosen, tighten); counter at hexagon on high-pressure pump > Tightening torque 25 (19ftlb.) Nm |
| 5 | Screw socket, M8 > Tightening torque 23 Nm (17 ftlb.) |
| 6 | Screw socket, M6 > Tightening torque 10 Nm (7.5 ftlb.) |
| 7 | Protective plate |
| 8 | Screw, M6 x 20 > Tightening torque 10 Nm (7.5 ftlb.) |
| inset | Required line distance (5 to 8 mm) between components |
Tightening sequence for intake module applies to naturally aspirated engine and turbo engine
Intake module on naturally aspirated engine
| 1 | Intake module |
| 2 | Decoupling module (fastening cart); observe tightening sequence > Tightening torque 15 Nm (11 ftlb.) |
| 3 | Screw, 5 x 16 > Tightening torque 4 Nm (3 ftlb.) and > Tightening torque 4 Nm (3 ftlb.) |
| 4 | Pressure sensor |
| 5 | Intake module seal; check that seal is aligned and fitted correctly! |
| 6 | Heat socket |
| 7 | Screw, 6 x 50 > Tightening torque 7 Nm (5 ftlb.) |
| 8 | Electronic accelerator |
| 9 | Seal |
| 10 | Ball socket |
Fig 8: Activating Variable Intake Manifold On Naturally Aspirated Engine Components Location With Torque Specification
Activating variable intake manifold on naturally aspirated engine
| 1 | Pipe |
| 2 | Connecting piece |
| 3 | Variable intake manifold adjuster/adjusting unit |
| 4 | Lip seal |
| 5 | Connecting element |
| 6 | Vacuum unit with cover (actuator) |
| 7 | Screw, M5 x 16 > Tightening torque 4 Nm (3 ftlb.) |
| 8 | Driver |
| 9 | Connecting rod |
| 10 | Vacuum line |
Intake air module on turbo engine
| 1 | Intake module |
| 2 | Decoupling module (fastening part); observe tightening sequence > Tightening torque 15 Nm (11 ftlb.) |
| 3 | Screw, 5 x 16 > Tightening torque 4 Nm (3 ftlb.) and > Tightening torque 4 Nm (3 ftlb.) |
| 4 | Pressure sensor |
| 5 | Intake module seal; check that seal is aligned and fitted correctly! |
| 6 | Heat socket |
| 7 | Screw, 6 x 50 > Tightening torque 7 Nm (5 ftlb.) |
| 8 | Electronic accelerator |
| 9 | Seal |
| 10 | Ball socket |