Intake Manifold Overview

Intake Manifold Overview






1 Bolt

• 5 Nm

2 Intake Air Temperature Sensor (G42)

3 EVAP Canister Purge Regulator Valve 1 (N80)

• With the double check-valve, a single component.

• To remove and install, remove the intake manifold.

4 Intake Manifold

• Removing and installing, refer to => [ Intake Manifold with Fuel Rail ] Intake Manifold with Fuel Rail.

• Bolt tightening specification, see => [ (Item 15) Bolt ] Fuel Rail Overview.

5 Vacuum Diaphragm for the Channel Separating Plate

6 Bolts

• M6 threads = 8 Nm + 90° (1/4) additional turn.

• M8 thread = 20 Nm.

• Always replace.

7 Connection for the Fuel Line from the Fuel Tank

8 Fuel Pressure Regulator Valve (N276)

9 High Pressure Pump

• With the fuel pressure regulator valve.

• Make sure the dirt does not enter the fuel system when installing the high pressure pump.

• The fuel system must be pressureless to install the high pressure pump, releasing the fuel pressure, refer to => [ High Side Fuel Pressure, Releasing ] Service and Repair

• Install the fuel line to the fuel rail free from tension.

10 Roller Tappet

• Remains inserted in the cylinder head after removing the high pressure pump, removable.

11 Connection, High Pressure Fuel Line

• 22 Nm

• Always replace.

12 Fuel Line to the Fuel Rail

• 18 Nm

• Do not install the fuel line with tension.

13 Intake Manifold Runner Control Valve (N316)

14 Fuel Injector

• Replace the O-rings.

• Note the correct installed position.

• Removing and installing, refer to => [ Fuel Injectors ] Fuel Injectors.

15 Double Check-Valve

• Checking, refer to => [ Double Check-Valve, Checking ] Testing and Inspection.

• With the EVAP canister purge regulator valve 1 as one unit.

16 Intake Manifold Support

17 Bolt

• 23 Nm

18 Nut

• 10 Nm

19 Bolts

• 5 Nm

• Quantity: 4

20 Throttle Valve Control Module (J338) , Electronic Power Control (EPC) Throttle Drive (G186)

• EPC throttle drive angle sensor 1 (G187) and EPC throttle drive angle sensor 2 (G188).

• After replacing the throttle valve control module, it must be readapted to the engine control module (J623). Refer to "Guided Functions" in the vehicle diagnostic tester.

• Removing and installing, refer to => [ Throttle Valve Control Module (J338) ] Removal and Replacement.

• Cleaning, refer to => [ Throttle Valve Control Module, Cleaning ] Throttle Valve Control Module, Cleaning.

21 Seal

• Always replace.

• The rim of the seal must fit into the groove provided for it inside the intake manifold.