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 a check valve/restrictor as one unit.

• 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 - in the => [ Fuel Rail and Injector Overview ] Fuel Rail and Injector Overview.

5 Vacuum Diaphragm for the Channel Separating Plate

6 Bolt

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

• M8 threads = 20 Nm.

• Always replace.

7 Fuel Line Connection

• From the fuel tank.

8 Fuel Pressure Regulator Valve (N276)

9 High Pressure Pump

• With the fuel pressure regulator valve.

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

• The fuel system must be without pressure to install the high pressure pump, releasing the high side fuel pressure. Refer to => [ High Side Fuel Pressure, Releasing ] Service and Repair.

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

• High pressure pump overview. Refer to => [ High Pressure Pump Overview ] High Pressure Pump Overview.

10 Cam Follower

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

11 High Pressure Fuel Line Connection

• Tightening specification, refer to => [ High Pressure Pump Overview ] High Pressure Pump Overview.

12 Fuel Supply Line to High Pressure Fuel Pump

• 18 Nm

• Do not install the fuel line under 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 Check Valve/Restrictor

• Allocations for differing versions, refer to the Parts Catalog.

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

16 Intake Manifold Support

17 Bolt

• 23 Nm

18 Nut

• 10 Nm

19 Bolt

• Quantity: 4

• 5 Nm

20 Throttle Valve Control Module (J338)

• With the EPC throttle drive, the EPC throttle drive angle sensor 1 and the EPC throttle drive angle sensor 2.

• After replacing the throttle valve control module, it must be readapted to the Engine Control Module (ECM). 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 ] Procedures.

21 Seal

• Always replace.

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