Lower Intake Manifold with Fuel Rail Overview

Lower Intake Manifold with Fuel Rail Overview






1 Bolt

• 2.5 Nm

2 Intake Manifold Runner Position Sensor

• Right side, intake manifold runner position sensor.

• Left side, intake manifold runner position sensor 2, remove the front coolant pipe to access. Refer to => [ Front Coolant Pipe ] Front Coolant Pipe.

3 Seal

• Replace if damaged.

• Lift out with screwdriver to replace.

• Press in by hand.

4 Sleeve

5 Fuel Pressure Sensor (G247)

• 22 Nm

• Lubricate the threads.

6 Bracket

7 Bolt

• 9 Nm

8 High Pressure Line

Danger of personal injury from the high fuel pressure!

• Reduce the fuel pressure down to residual pressure before opening high pressure area of the fuel injection system.

• 27 Nm

• Release the high side fuel pressure. Refer to => [ High Side Fuel Pressure, Releasing ] Service and Repair.

• Connectors should not show any signs of damage.

• Do not change the shape of the line.

• Removing and installing, refer to => [ High Pressure Line ] Service and Repair.

• Counter hold the connecting piece when loosening and tightening the fuel line.

• Tighten fuel line connecting piece before installing the fuel line.

9 Bolt

• 9 Nm

10 Nut

• 9 Nm

11 Bolt

• 9 Nm

12 Bolt

• 2.5 Nm

13 Retainer

14 Connecting Piece

• 40 Nm

15 Fuel Rail

16 Gasket

• Always replace

17 Lower Intake Manifold

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

• After replacing the control valve control unit, perform an "adaptation" in "Guided Functions" using the vehicle diagnostic tester.

18 Gasket

• Always replace

19 Support Ring

• Make sure it fits correctly.

• The fuel rail wields force via the support ring to hold the fuel injector tightly in the cylinder head.

20 O-ring

• Always replace.

• Lubricate with clean engine oil.

21 Spacer Ring

• Replace if damaged.

22 Fuel Injector

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

23 Washer

• Always replace.

24 Combustion Chamber Seal

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

• Do not lubricate or use other lubricants.

25 Seal

• Replace if damaged.

• Lift out with screwdriver to replace.

• Press in by hand.

26 Actuator Lever

• For the vacuum actuator.

27 Vacuum Hose

• To the intake manifold runner control valve.

28 Vacuum Actuator for Intake Manifold Runner Control

Lower Intake Manifold Bolt Tightening Sequence and Specification





- Tighten the bolts and nuts - arrows - in a diagonal sequence and in steps to 10 Nm.