CTS RWD V6-3.6L (2008)
Fuel Rail: Service and Repair
Fuel Injection Fuel Rail Assembly Replacement - Bank 1 (LLT) VIN V W/ Direct Fuel Injection
Fuel Injection Fuel Rail Assembly Replacement - Bank 1 (LLT)
Removal Procedure
1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (With CH 48027 - LP1, LY7) (See: Fuel Filter/Fuel Pressure Release/Service and
Repair/Fuel Pressure Relief (With CH 48027) (LY7) VIN 7 W/O Direct Fuel Injection)Fuel Pressure Relief (Without CH 48027 - LP1, LY7) (
See: Fuel Filter/Fuel Pressure Release/Service and Repair/Fuel Pressure Relief (Without CH 48027) VIN 7 W/O Direct Fuel Injection)Fuel
Pressure Relief (With High Pressure Pump - LLT) (See: Fuel Filter/Fuel Pressure Release/Service and Repair/Fuel Pressure Relief (With High
Pressure Pump (LLT) VIN V W/ Direct Fuel Injection) .
2. Remove the cross vehicle brace. Refer to Cross Vehicle Brace Replacement (See: Body and Frame/Frame/Cross-Member/Service and
Repair/Cross Vehicle Brace Replacement) .
3. Remove the fuel pipe shield. Refer to Fuel Pipe Shield Replacement (LLT) (See: Fuel Supply Line/Service and Repair) .
4. Remove the intake manifold. Refer to Intake Manifold Replacement (See: Engine, Cooling and Exhaust/Engine/Intake Manifold/Service and
Repair) .
5. Remove the foam insulator from the fuel rails.
6. Disconnect the fuel injector wiring harness electrical connector (1) from the fuel injectors, fuel rail and fuel pressure sensor.
7. Remove the high pressure fuel sensor. Refer to Fuel Pressure Sensor Replacement (LLT) (See: Fuel Pressure Sensor/Switch/Service and Repair) .
8. Remove the High pressure fuel pipe. Refer to Fuel Feed Intermediate Pipe Replacement (LLT) (See: Fuel Supply Line/Service and Repair) .
Discard this pipe.
9. Remove the fuel rail crossover pipe. Refer to Fuel Injection Fuel Rail Crossover Tube Replacement (LLT) (See: Fuel Injection Fuel Rail
Crossover Tube Replacement (LLT) VIN V W/ Direct Fuel Injection) . Discard this pipe.
