H3 V8-5.3L (2008)
Fuel Rail: Service and Repair
Fuel Injection Fuel Rail Assembly Replacement
Removal Procedure
Important: An 8-digit identification number is located on the fuel rail. Refer to this model identification number if servicing or part
replacement is required.
1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (With CH 48027) (See: Fuel Filter/Fuel Pressure Release/Service and Repair/Fuel
Pressure Relief (With CH 48027))Fuel Pressure Relief (Without CH 48027) (See: Fuel Filter/Fuel Pressure Release/Service and Repair/Fuel
Pressure Relief (Without CH 48027)) .
2. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement (See: Air Cleaner Housing/Air Cleaner Fresh Air
Duct/Hose/Service and Repair) .
3. Disconnect the engine wiring harness electrical connector (1) from the manifold absolute pressure (MAP) sensor.
