Intake Manifold Overview
Intake Manifold Overview
1 Bolt
• 8 Nm
2 Guide Tube
• For the oil dipstick
3 Bolt
• 6 Nm
4 Coolant Line
• With the intake manifold runner control valve bracket.
5 Intake Manifold Runner Control (IMRC) Valve (N316)
6 Seal
• Replace
7 Vacuum Actuator
• For the intake manifold flaps.
• Pay attention to the position of the intake manifold flaps when installing: the intake manifold flaps must be open.
• Checking the intake manifold flap vacuum actuators. Refer to => [ Intake Manifold Flap Vacuum Actuator, Checking ] Intake Manifold Flap Vacuum Actuator, Checking.
8 Intake Manifold
• With the intake manifold flaps.
• With the vacuum reservoir installed. For information on checking, refer to => [ Vacuum Reservoir in Intake Manifold, Checking for Leaks ] Vacuum Reservoir in Intake Manifold, Checking for Leaks.
• Removing and installing, refer to => [ Intake Manifold ] Intake Manifold.
9 from Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80)
10 Sealing Plugs
11 Bolt
• 20 Nm
12 to Suction Jet Pump
• Suction jet pump overview. Refer to => [ Suction Jet Pump Overview ] Suction Jet Pump Overview.
13 Grommet
• Replace if damaged.
14 to Intake Manifold Runner Control (IMRC) Valve
15 Intake Manifold Support
16 Throttle Valve Control Module (J338)
• With the throttle drive (for Electronic Power Control (EPC)) (G186), throttle drive angle sensor 1 (for EPC) (G187) and throttle drive angle sensor 2 (for EPC) (G188).
• When replacing, adapt the Engine Control Module (ECM) to the throttle valve control module. Refer to "Guided Functions" in the vehicle diagnostic tester.
17 Bolt
• 7 Nm
18 Gasket
• Replace
• Ensure it is correctly seated in the intake manifold.
19 Connection
• For the crankcase ventilation
• With the Positive Crankcase Ventilation (PCV) heating element (N79).
• From the cylinder head cover.
20 Fuel Rail
• For cylinders 2, 4 and 6.
• Spring elements for the fuel injectors must always be replaced before installing.
• Tighten uniformly, starting from the inside working toward the outside.
• Fuel rail, injectors and high pressure pump overview. Refer to => [ Fuel Rail, Injectors and High Pressure Pump Overview ] Fuel Rail, Injectors and High Pressure Pump Overview.
21 Bolt
• 30 Nm + 90° (1/4) additional turn.
• Replace
• Tighten the bolts l uniformly, starting from the inside working toward the outside.