Removal and installation the intake manifold (Opel Vivaro A)

Contents: Removal the upper part of the intake…⬇ Installation ⬇ Removal the lower part of the intake…⬇ Installation ⬇

Removal the upper part of the intake manifold

1. Disconnect the battery.

2. Remove the air filter housing.

3. Disconnect the wiring connector from the throttle body.

4. Remove the pressure sensor, ignition coils, air temperature sensor, unscrew the two bolts 8 securing the throttle valve and the bolts securing the upper part of the intake manifold (figure 2.51).

Figure 2.51. Remove the pressure sensor, ignition coils, air temperature sensor, unscrew the two bolts 8 securing the throttle valve and the bolts securing the upper part of the intake manifold.

Installation

5. Installation is carried out in the reverse order of removal. Replace manifold and throttle body gaskets if necessary. Tighten the intake manifold bolts in the recommended order. Tighten the throttle body bolts, air filter housing bolts.

Tightening torques

Intake manifold bolts - 9 Nm.
Throttle body bolt - 12 Nm.
Air filter bolt - 9 Nm.

Removal the lower part of the intake manifold

Caution: Be careful when removing the injectors or fuel rail as they may contain a small amount of fuel.

6. Remove the intake manifold.

7. Disconnect the battery, disconnect the wiring connector 1 from the pressure sensor in the hydraulic power steering, the fuel line from the fitting 2 of the fuel rail (figure 2.52).

(The source is on the online website: www.OpelBook.ru)

Figure 2.52. Disconnect the battery, disconnect wiring connector 1 from the power steering pressure sensor, and the fuel line from fitting 2 of the fuel rail.

8. Loosen two bolts 3 securing the fuel rail housing, two bolts 4 securing the fuel rail and remove the fuel rail (Fig. 2.53). Disconnect wiring connector 5.

9. Unscrew the bolts 6 (12 pieces) securing the air distributor and remove it (figure 2.54a,b).

Figure 2.53. Loosen two bolts 3 securing the fuel rail casing, two bolts 4 securing the fuel rail and remove the fuel rail. Disconnect wiring connector 5.