Express 2500 V8-4.8L (2007)
Fuel Rail: Service and Repair
Fuel Injection Fuel Rail Assembly Replacement
Fuel Injection Fuel Rail Assembly Replacement
Removal Procedure
1. Remove the engine cover.
2. Remove the air cleaner resonator outlet duct.
Important: An eight-digit identification number (1) is located on the fuel rail assembly. Refer to this model identification number if
servicing or part replacement is required.
3. Before removal, if necessary, clean the fuel rail assembly with a spray type engine cleaner, use GM X-30A or equivalent. Follow the package
instructions. Do not soak fuel rail assembly in any liquid cleaning solvent.
4. Disconnect the accelerator control cable and the cruise control cable from the cable bracket, if equipped.
5. Disconnect the cruise control cable engine-end fitting from the stud on the throttle lever, if equipped.
