Intake Manifold Lower Part/Fuel Rail/Injectors, Assembly Overview

Intake Manifold Lower Part / Fuel Rail / Injectors, Assembly Overview

Engine Codes AVH, AZG







1. Fuel pressure regulator
2. O-ring
- Before installing moisten with clean engine oil
3. Vacuum hose
- To intake manifold - upper part
4. Air pipe
5. Air hose
- For air shrouded injectors
6. O-ring
- Before installing moisten with clean engine oil
7. Injector (-N30-to-N33-)
- Air shrouded
- Checking quantity injected and for leaks:
8. 20 Nm
9. Intake manifold - lower part
10. Seal
11. Fuel rail
12. 10 Nm
13. Securing clip
- Check for secure seating
14. Cable guide
- Clipped onto fuel rail
15. To fuel return hose to fuel delivery unit in fuel tank
16. From supply hose of fuel filter
17. To intake hose
18. Securing clip
- Check for secure seating

Fuel rail, injectors







1. Securing clip
- Check for secure seating
2. Return hose
- Secure with spring-type clips
- Check for secure seating
- To fuel delivery unit in fuel tank
3. Supply line
- Secure with spring-type clips
- Check for secure seating
- From fuel filter
4. Fuel rail
5. Air pipe
6. To intake hose
7. Air hose
- For air shrouded injectors
8. Securing clip
- Check for secure seating
9. Injector (-N30- to -N33-)
- Air shrouded
- Checking quantity injected and for leaks.
10. O-ring
- Before installing moisten with clean engine oil
11. 8 Nm
12. O-ring
- Before installing moisten with clean engine oil.
13. Vacuum hose
- To intake manifold - upper part
14. Fuel pressure regulator.

Engine Code BEV







1. Cable guide
- Clipped onto fuel rail
2. Fuel rail
- Fuel system, bleeding
3. Connection for fuel supply line
4. O-ring
- Replace
- Before installing moisten with clean engine oil
5. Injector ( -N30- to -N33-)
- Checking quantity injected and for leaks .
6. Securing clip
- Check for secure seating
7. 20 Nm
8. Seal
- Replace
9. 9Intake manifold - lower part
10. Breather valve
- Fuel system, bleeding
11. Protective cap
- For bleed valve
12. 10 Nm

Engine Code BGD







1. Fuel rail
- Fuel system, bleeding
2. Protective cap
- For bleed valve
3. Breather valve
- Fuel system, bleeding
4. Cable guide
- Clipped onto fuel rail
5. Seal
- Replace if damaged
6. 10 Nm
7. Intake manifold - lower part
- With variable intake manifold change-over valve
8. 3 Nm
9. To vacuum positioning element
- On front side of intake manifold lower part
10. Intake Manifold Tuning (IMT) valve 2 -N261.
11. 5 Nm
12. Washer
13. 25 Nm
14. To intake manifold - upper part
15. Seal
16. Connection for fuel supply line
17. O-ring
- Before installing moisten with clean engine oil
18. Injector (-N30- to -N33-)
- Checking quantity injected and for leaks.
19. Securing clip
- Check for secure seating.