Removal (VIN 1)
WARNING: This page is about a different car, the 2003 Pontiac Bonneville, 2003 Buick Park Avenue, and 2003 Buick LeSabre. However, it is still accessible from the selected car via links, so may be relevant.
- Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE . Clean the fuel rail assembly and connections. Disconnect the fuel feed pipe and return pipe at the fuel rail. See FUEL LINE DISCONNECT FITTINGS .
- Disconnect the vacuum line from the fuel pressure regulator. Remove the ignition coil wires from the retainer clips on top of the supercharger. Remove the rear generator mounting bracket with the EVAP canister purge solenoid valve attached.
- Remove the bypass valve actuator. See BYPASS VALVE ACTUATOR under AIR INDUCTION SYSTEMS. Disconnect the fuel injector electrical connectors. Remove the fuel injector electrical harness clips holding harness to front of the fuel rail. Remove the fuel rail hold-down nuts. Remove the fuel rail with equal force on both sides of the fuel rail.
- To remove injector(s) from the fuel rail, remove the fuel injector retainer clip. Remove the fuel injector from the fuel rail. Remove and discard the fuel injector upper "O" ring.