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.