Contents: Removal ⬇ Installation ⬇
Note.
- Necessary special devices, control and measuring instruments, as well as auxiliary means:
- Assembly tool "T10118".
- Socket wrench with square drive 3/8", 27 mm.
Removal
Note.
- When working on the power supply system, safety precautions must be observed.
- When working on the power supply system, cleanliness rules must be observed.
1. Turn off the ignition and all electrical consumers, remove the key from the ignition switch.
Attention.
- The engine fuel system is divided into a high-pressure section (with a maximum pressure of 12 MPa = 120 bar) and a low-pressure section (with a pressure of approx. 0.6 MPa = 6 bar).
- Before opening the high-pressure section, e.g. when removing the high-pressure pump, fuel rail, fuel injectors, fuel line or fuel supply pressure sensor "G247", the fuel supply pressure in the high-pressure section must be reduced to approximately 0.6 MPa (6 bar).
2. Unscrew the fastening screws (2), remove the clamp (1), shown in the figure below.
3. Disconnect the wiring harness connector (3) from the boost pressure sensor "G31" with the intake air temperature sensor 2 "G299" as shown in the figure below.
4. Hang the hoses on the pressure pipeline and open the cable routing.
5. Move the clamps outwards (arrows) and remove the pressure pipe upwards.
6. Then remove the pressure line from the turbocharger.
Note: When loosening the union nut, hold the threads on the high pressure pump and on the lower part of the fuel rail (fuel rail) key.
7. Loosen the union nuts (arrows) and screw (1), remove the high pressure line, as shown in the figure below.
Note.
- Under no circumstances should the fuel line clamp be bent.
- If the mounting clamp is bent or the fuel line is replaced, the mounting clamp must also be replaced.
8. Unfasten the fuel pressure sensor wiring harness connector "G247" (2) using the installation tool "T10118", as shown in the figure below.
9. Unscrew the fuel pressure sensor "G247" using a 3/8" square socket wrench, 27 mm.
10. Any leaking fuel should be collected with a clean cloth.
Installation
1. Installation is carried out in the reverse order of removal.