chevrolet Workshop Repair Guides

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Fuel Injection Fuel Rail Assembly Replacement - Bank 1|Page 4259 > < Fuel Injection Fuel Rail Assembly Replacement - Bank 1|Page 4257
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10. If the bank 2 fuel rail or injectors are being serviced, remove them. Refer to Cylinder Head Disassemble (LF1 or LFW)   (See: Engine, Cooling

and Exhaust/Engine/Service and Repair/Overhaul/55. Cylinder Head Disassemble).

11. Disconnect the bank 2 fuel injector and fuel pressure sensor electrical connections.

Note:  The direct fuel injectors must be rebuilt whenever the injector has been released from the fuel rail or cylinder head.

12. It is necessary to rebuild the fuel injectors. Refer to Fuel Rail and Injectors Cleaning and Inspection (LF1 or LFW)   (See: Engine, Cooling and

Exhaust/Engine/Service and Repair/Overhaul/60. Fuel Rail and Injectors Cleaning and Inspection).

Installation Procedure

1. Clean the fuel injector bores using EN-47909 - kit.
2. Ensure that the fuel injectors have been properly rebuilt and lubricated. Refer to Fuel Rail and Injectors Cleaning and Inspection (LF1 or LFW)   (

See: Engine, Cooling and Exhaust/Engine/Service and Repair/Overhaul/60. Fuel Rail and Injectors Cleaning and Inspection).

3. Connect the bank 2 fuel injector and fuel pressure sensor electrical connections.
4. Position the bank 2 fuel rail and evenly hand tighten the 2 outer fuel rail bolts to seat the injectors into the injector bores. Remove the bolts.

Fuel Injection Fuel Rail Assembly Replacement - Bank 1|Page 4259 > < Fuel Injection Fuel Rail Assembly Replacement - Bank 1|Page 4257