Intake Manifold Overview
Intake Manifold Overview
1 Intake Manifold Support
2 Bolt
• 20 Nm
3 Bolt
• 10 Nm
4 Gasket
• Always replace
• Ensure it is correctly seated in the intake manifold.
5 Throttle Valve Control Module (J338)
• With the EPC throttle drive, EPC throttle drive angle sensor 1 and EPC throttle drive angle senor 2.
• When replacing, adapt the Engine Control Module (ECM) to the throttle valve control module. Refer to "Guided Functions" in the vehicle diagnostic tester.
• Removing and installing, refer to => [ Throttle Valve Control Module J338 ] Service and Repair.
6 Bolt
• 7 Nm
7 Gasket
• Always replace.
• Ensure it is correctly seated in the intake manifold.
8 Vent Hose
• For the crankcase ventilation.
• With the positive crankcase ventilation heating element.
• From the cylinder head cover.
9 Bolt
• 3.5 Nm
10 Upper Intake Manifold
• With the vacuum actuator and intake manifold flap.
• Intake manifold flap vacuum actuator, checking. Refer to => [ Intake Manifold Flap Vacuum Actuator, Checking ] Testing and Inspection.
• Removing and installing, refer to => [ Upper Intake Manifold ] Upper Intake Manifold.
11 Bolt
• 10 Nm
12 Vacuum Line
Vacuum hose connection diagram. Refer to => [ Vacuum Hose Connection Diagram ] Vacuum Hose Connection Diagram.
Vacuum hose overview. Refer to => [ Vacuum Hose Overview ] Vacuum Hose Overview.
13 Intake Manifold Runner Control Valve (N316)
Vacuum hose connection diagram. Refer to => [ Vacuum Hose Connection Diagram ] Vacuum Hose Connection Diagram.
Vacuum hose overview. Refer to => [ Vacuum Hose Overview ] Vacuum Hose Overview.
14 Fuel Rail
• For cylinders 2, 4 and 6.
• The fuel injector springs - item 18 - in the => [ Fuel Rail with High Pressure Pump and Injectors Overview ] Fuel Rail with High Pressure Pump and Injectors Overview, must be replaced before installation.
• Tighten the bolts uniformly, starting from the inside and working toward the outside.
• Fuel rail with high pressure pump and injectors overview. Refer to => [ Fuel Rail with High Pressure Pump and Injectors Overview ] Fuel Rail with High Pressure Pump and Injectors Overview.
15 Bolt
• 30 Nm + an additional 90° (1/4) turn.
• Always replace.
• Tighten uniformly, starting from the inside and working toward the outside.
16 Bolt
• 3.5 Nm
17 Mounting Plate
• For the coolant hoses.
18 Bolt
• 3.5 Nm
19 Coolant Line
20 Bolt
• 8 Nm
• Quantity: 4
21 Lower Intake Manifold
22 Gasket
• Replace if damaged.
• Coat lightly with engine oil before installing and insert it into the upper intake manifold.
23 Gasket
• Make sure it fits securely inside the lower intake manifold.
24 Intake Manifold Support