Intake manifold (Mercedes-Benz Vito W638)

Removal

1. Remove the oil filler neck 1 (see figure 4.10).

Figure 4.10. Intake manifold:
1. Oil filler neck,
2. Intake manifold,
3. Mixing chamber,
4. Crankcase ventilation tube,
5. Accelerator pedal position sensor cable,
6. Gasket,
7. Oil level indicator guide tube,
8. Lever,
9, 13. Bolt,
10. Accelerator cable,
11. Fixators,
12. Vacuum tube,
14. Connecting rod of the "Tempomat" device,
15. Return lever,
16. Connecting rod of the high-pressure fuel pump,
17. Control lever.

2. Remove the mixing chamber 3.

3. Disconnect the crankcase ventilation tube 4 (only on engines 601.942).

4. Disconnect the intake manifold 2 from the clamps 11. Do not deform the fuel supply pipes.

5. Disconnect vacuum tube 12.

6. Unhook the accelerator cable 10.

7. Disconnect the cable from the accelerator pedal position sensor 5 (only on cars with automatic transmission).

8. Disconnect the connecting rod 16 of the high-pressure fuel pump from the lever 17.

9. Disconnect the connecting rod 14 of the Tempomat device from the return lever 15.

10. Disconnect the oil level indicator guide pipe 7 from the intake manifold 2.

11. Remove intake manifold 2 together with gasket and bracket 8.

12. Disconnect all controls from the intake manifold 2 (only when replacing it).