Removing
Note.
- When working on the power supply system, safety precautions must be observed.
- Observe the rules of cleanliness.
1. Remove the top decorative engine cover.
Note. To unscrew the union nut, the high pressure pump must have a bracket (for engine eye) movable, to do this, loosen the screws (4), shown in the figure below.
2. Unscrew the fastening bolt (3) and loosen the cap nuts (1) And (4), as shown in the figure below.
3. Escaping fuel should be collected with a clean rag.
4. Remove the high pressure fuel pipe (2), shown in the figure below.
5. After removing the cables from the fuel rail, put them aside.
6. Disconnect the wiring harness connectors at the glow plugs.
7. Disconnect wiring harness connectors from fuel injectors (1), as shown in the figure below.
8. Disconnect the fuel return hose (2) from the fuel rail by releasing the hose clamp as shown in the figure below.
9. Disconnect harness connectors (1), (6) And (7), shown in the figure below.
Attention.
- When loosening the union nuts of the injection pipes, hold the connecting pipes of the high-pressure fuel pump sections with an open-end wrench. In the event of a loosening of the connecting pipe, the tightness would be broken.
- Mark the fastening of the high-pressure pipelines behind the cylinders; they can only be re-installed on the same cylinders.
- Open connections must be closed immediately with a suitable plug.
10. Remove the pressure line between the fuel rail and the fuel injectors as shown in the figure below.
11. Unscrew the fastening screws (arrows), remove the fuel rail assembly as shown in the figure below.
Installation
1. Installation is carried out in the reverse order of operations, and the following instructions must be observed:
Install the high pressure fuel pipes in such a way that it does not have internal stresses.