Aspen 4WD V8-5.7L Hybrid (2009)
Fuel Rail: Service and Repair
Fuel Rail - Removal
5.7L
WARNING: The fuel system is under constant pressure even with engine off. Before servicing fuel rail, fuel system pressure must be released.
1. Perform the fuel pressure release procedure See: Fuel Filter/Fuel Pressure Release/Service and Repair
2. Remove the negative battery cable (1).
3. Loosen the clean air hose clamps (2) and remove the clean air hose.
4. Remove the resonator assembly See: Air Cleaner Housing/Air Filter Element/Service and Repair/Air Cleaner - Removal on the 5.7L HEV,
remove the air cleaner assembly See: Air Cleaner Housing/Service and Repair/Air Cleaner Body - Removal
CAUTION: The left and right fuel rails are replaced as an assembly. Do not attempt to separate the fuel rail halves at the connector tube. Due
to the design of the connector tube, it does not use any clamps. Never attempt to install a clamping device of any kind to the
connector tube. When removing the fuel rail assembly for any reason, be careful not to bend or kink the connector tube.
NOTE: The factory fuel injection electrical harness is numerically tagged (INJ 1, INJ 2, etc.) for injector position identification. If the
electrical harness is not tagged, note the injector position before electrical harness removal.
5. Disconnect the electrical connectors at all eight fuel injectors. Push the red colored slider away from the injector (1) while pushing slider, depress
tab (2) and remove the electrical connector (3) from the injector.
