Installation (GS430, LS430 & SC430)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2002 Lexus SC 430, 2002 Lexus RX 300, 2002 Lexus LX 470, 2002 Lexus LS 430, and 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
- Install NEW insulators and grommets on injectors. Apply a light coat of gasoline to NEW fuel injector "O" rings. Install "O" rings. Using a twisting motion, push injectors into fuel rail. Ensure injectors are fully seated in fuel rail. Ensure fuel injector connectors are positioned outward.
- Install 4 spacers in position on intake manifold. Place injectors and fuel rail assembly onto intake manifold. Temporarily install fuel rail-to-intake manifold nuts.
- Ensure injectors rotate smoothly. If injectors do not rotate smoothly, "O" rings were installed incorrectly and may be pinched. Replace "O" rings. Position injector connectors outward. Tighten fuel rail mounting nuts to specification. See TORQUE SPECIFICATIONS .
- Install fuel pressure pulsation dampers and gaskets. See FUEL PRESSURE PULSATION DAMPER . To complete installation, reverse removal procedure. Fill cooling system. Start engine and inspect for fuel and coolant leaks.