Operation CHARM: Car repair manuals for everyone.

With Aluminum Intake Manifold






Connection Diagram, Fuel Hoses in Engine Compartment


When installing fuel lines and hoses, ensure there is clearance to other components or to the body. Contact can cause leaks.






1 Return Line

To the fuel tank.

Blue or with a blue mark.

Make sure it is tight.

2 Supply Line

From the fuel tank.

white or with a white mark.

Make sure it is tight.

3 Fuel Rail

For cylinder bank 2.

4 Fuel Cooler

5 Test Connection

Tighten the plug to 27 Nm.

For cylinder bank 1.

Not available on all vehicles.

6 Fuel Rail

For cylinder bank 1.

7 Tandem Pump

For cylinder bank 1.

With the vacuum pump.

Tandem and fuel pump, checking. Refer to => [ Tandem and Fuel Pump, Checking ] Tandem and Fuel Pump, Checking.

Tandem and fuel pump removing and installing. Refer to => [ Tandem and Fuel Pump ] Tandem and Fuel Pump.

8 Fuel Temperature Sensor (G81)

For cylinder bank 1

9 Fuel Filter

Removing and installing, refer to => [ Fuel Filter ] Removal and Replacement.

10 Fuel Pump

For cylinder bank 2.

Tandem and fuel pump, checking. Refer to => [ Tandem and Fuel Pump, Checking ] Tandem and Fuel Pump, Checking.

Tandem and fuel pump removing and installing. Refer to => [ Tandem and Fuel Pump ] Tandem and Fuel Pump.

11 Fuel Temperature Sensor 2 (G248)

For cylinder bank 2.

12 Test Connection

Tighten the plug to 27 Nm.

For cylinder bank 2.

Not available on all vehicles.