Installation (ES300)
- Install NEW "O" rings, insulators and grommets on injectors. Apply a light coat of spindle oil or gasoline to fuel injector "O" rings and fuel rails injector openings. Using a twisting motion, push injectors onto fuel rail. Ensure injectors are fully seated. Ensure injector connectors are positioned outward.
- Place 4 fuel rail spacers in position on intake manifold. Apply a light coat of spindle oil or gasoline to intake manifold injector ports. Assemble fuel rails, fuel lines and injectors in position on intake manifold.
- Temporarily install 4 injector rail bolts. Temporarily install fuel line-to-intake manifold bolt. Ensure fuel injectors rotate smoothly. If injectors do not rotate smoothly, "O" rings were installed incorrectly. Replace "O" rings.
- Ensure injector connectors are positioned outward. Tighten fuel rail-to-intake manifold bolts. Tighten fuel line-to-intake manifold bolt. Align alignment marks (White paint) on fuel line. See Fig 1. Install fuel line clamp to engine compartment fuel filter until a click is heard. Ensure fuel line clamp is installed securely.
- Connect air assist hoses to intake manifold. Install air assist pipe. Connect injector connectors. Install NEW intake chamber assembly gasket. Install NEW No. 2 EGR pipe gaskets. Install air cleaner hose. To complete installation, reverse removal procedure. Tighten all bolts to specification. See TORQUE SPECIFICATIONS . Turn ignition on. Start engine and check fuel system for leaks.
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