CTS Wagon RWD V6-3.6L (2010)
Fuel Rail: Service and Repair
Fuel Injection Fuel Rail Assembly Replacement - Bank 1
Fuel Injection Fuel Rail Assembly Replacement - Bank 1 (LLT)
Removal Procedure
1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (See: Fuel Filter/Fuel Pressure Release/Service and Repair).
2. Remove 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).
3. Remove the intake manifold. Refer to Intake Manifold Replacement (See: Engine, Cooling and Exhaust/Engine/Intake Manifold/Service and
Repair/Intake Manifold Replacement).
4. Remove the crossover tube. Refer to Fuel Injection Fuel Rail Crossover Tube Replacement (LLT) (See: Fuel Injection Fuel Rail Crossover Tube
Replacement).
5. Remove the foam insulator from the fuel rails.
6. Disconnect the fuel pressure sensor electrical connector and cut the wire harness tie straps.
7. Remove the fuel rail (1) bolts (2).
8. Remove the fuel pressure 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. Remove and discard the direct fuel injector hold down clamps.
Note: The direct fuel injectors must be rebuilt whenever the injector has been released from the fuel rail or cylinder head.
10. Once the fuel rail is removed, remove the fuel injectors and rebuild them. Refer to Fuel Injector Replacement (See: Fuel Injector/Service and
Repair/Fuel Injector Replacement).
Installation Procedure