Fuel Rails & Fuel Injectors: Installation

To install, reverse removal procedure using NEW grommets, "O" rings, insulators and gaskets. Coat "O" ring with gasoline before installing "O" ring on fuel injector. Use twisting motion when installing fuel injector on fuel rail. Ensure spacers and insulators are installed on cylinder head.
When installing fuel rails, install fuel rails with fuel injectors on cylinder head. Loosely install fuel rail-to-cylinder head bolts.
Ensure fuel injectors rotate smoothly. If fuel injectors do not rotate smoothly, check for improper "O" ring installation. Ensure electrical connector on each fuel injector is facing upward.
Tighten fuel rail-to-cylinder head bolts and fuel inlet hose-to-fuel rail union bolt to specification. See TORQUE SPECIFICATIONS table. To install remaining components, reverse removal procedure.
Operate fuel pump and check for fuel leaks. See FUEL PUMP OPERATION in BASIC TESTING article.

Fig 1: View Of Fuel Rail & Components