Magnesium Intake Manifold

Fuel Injectors and Fuel Rail Assembly Overview






1 Radial Adjustment

• Replace if damaged

• Clip together with support ring => [ (Item 6) Support Ring ]

2 Combustion Chamber Seal

• Do not grease ring or treat with any other lubricant

3 Fuel Injector

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

4 Spacer Ring

• Replace if damaged

5 O-ring

• Replace

• Coat with clean engine oil

6 Support Ring

• Replace

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

7 Fuel Rail

8 High-Pressure Line

• Before opening high pressure components of the fuel injection system, pressure must be relieved to residual pressure. Refer to => [ Before Opening High Pressure Fuel Injection System ] Service and Repair.

• Then wrap a clean rag around the connection and relieve residual pressure by carefully loosening the connection.

• Connectors should not show any signs of damage

• Do not change bend shape

• Tighten high-pressure lines => [ Hand-tighten the union nuts for the high-pressure
lines. ] Fuel Injectors

9 High-Pressure Line

• Before opening high pressure components of the fuel injection system, pressure must be relieved to residual pressure => [ Before Opening High Pressure Fuel Injection System ] Service and Repair.

• Then wrap a clean rag around the connection and relieve residual pressure by carefully loosening the connection.

• Connectors should not show any signs of damage

• Do not change bend shape

• Tighten high-pressure lines => [ Hand-tighten the union nuts for the high-pressure
lines. ] Fuel Injectors

10 Pressure Relief Valve 140 Bar

• For high pressure line

• Tighten to 25 Nm.

11 Bolt

• 9 Nm

• Fasten in diagonal sequence in steps

12 Bolt

• 9 Nm

• Fasten in diagonal sequence in steps