Lower Intake Manifold Section Overview
Lower Intake Manifold Section Overview
1 Bolts
• 2.5 Nm
2 Intake Manifold Runner Position Sensor
• Left intake manifold runner position sensor 2 (G512) , right intake manifold runner position sensor (G336)
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 thread.
6 Bracket
7 Bolt
• 9 Nm
8 High-Pressure Lines
• 27 Nm
There is a risk of injury because the fuel is under very high pressure.
• Before opening high pressure components of the fuel injection system, pressure must be relieved to residual pressure.
• Reduce the fuel pressure in the high pressure area, refer to => [ Before Opening High Pressure Fuel Injection System ] Service and Repair.
• Connectors should not show any signs of damage
• Do not change bent shape
• Removing and installing, refer to => [ High Pressure Line ] Service and Repair
• Counterhold the connecting pieces when loosening and tightening fuel line
• Tighten fuel line connecting pieces before installing the fuel line
9 Bolt
• 9 Nm
10 Nut
• 9 Nm
11 Bolt
• 9 Nm
12 Bolt
• 2.5 Nm
13 Retaining Bracket for Fuel Rail
14 Threaded Connection
• 40 Nm
15 Fuel Rail
16 Gasket
• Replace
17 Intake Manifold Lower Section
• Removing and installing, refer to => [ Intake Manifold, Lower Section, with Fuel Rail ] Intake Manifold, Lower Section, with Fuel Rail
18 Gasket
• Replace
19 Support Ring
• Make sure it is seated properly
• The fuel rail wields force via the support ring to hold the fuel injector tightly in the cylinder head.
20 O-ring
• Replace
• Coat with clean engine oil
21 Spacer Ring
• Replace if damaged
22 Fuel Injector
Removing and installing, refer to => [ Fuel Injectors ] Service and Repair
23 Upper Sealing Washer
24 Lower Sealing Washer
25 Circlip
26 Combustion Chamber Seal
• Replacing, refer to => [ Fuel Injectors ] Service and Repair.
27 Seal
• Replace if damaged
• Lift out with screwdriver to replace
• Press in by hand
28 Actuator Lever
• For the vacuum actuator
29 Vacuum Hose
• To intake manifold runner control valve (N316)
30 Intake Manifold Runner Control Vacuum Actuator
Lower Intake Manifold Section - Tightening Specification and Sequence
- Tighten the bolts and nuts - arrows - diagonally on the intake manifold lower section and in steps.
• 10 Nm