CTS Wagon RWD V6-3.6L (2010)
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
6. Tighten the fuel rail bolts in the sequence shown:
1. Tighten the Bank 1 fuel rail bolts first pass to 12 Nm (106 lb in).
2. Tighten the Bank 1 fuel rail bolts final pass to 23 Nm (17 lb ft).
7. Install a NEW crossover tube. Refer to Fuel Injection Fuel Rail Crossover Tube Replacement (LLT) (See: Fuel Injection Fuel Rail Crossover
Tube Replacement).
8. Install the high pressure fuel sensor. Refer to Fuel Pressure Sensor Replacement - Fuel Injection Fuel Rail (LF1) (See: Fuel Pressure
Sensor/Switch/Service and Repair)Fuel Pressure Sensor Replacement - Fuel Injection Fuel Rail (LLT) (See: Fuel Pressure Sensor/Switch/Service
and Repair).
9. Connect the fuel injector wiring harness electrical connector to the fuel injectors, fuel rail and fuel pressure sensor.
10. Inspect for fuel leaks using the following procedure:
1. Turn ON the ignition, with the engine OFF for 2 seconds.
2. Turn OFF the ignition, for 10 seconds.
3. Turn ON the ignition, with the engine OFF.
4. Inspect for fuel leaks.
11. Install the foam insulator from the fuel rails.
12. Install the intake manifold. Refer to Intake Manifold Replacement (See: Engine, Cooling and Exhaust/Engine/Intake Manifold/Service and
Repair/Intake Manifold Replacement).
13. Install the fuel pipe shield. Refer to Fuel Pipe Shield Replacement (LF1) (See: Fuel Supply Line/Service and Repair/Fuel Pipe Shield
Replacement)Fuel Pipe Shield Replacement (LLT) (See: Fuel Supply Line/Service and Repair/Fuel Pipe Shield Replacement).
14. Install the low side fuel pressure service port cap.
15. Install the fuel tank cap.