Fuel Rails & Fuel Injectors: Installation

To install, reverse removal procedure using NEW grommets, "O" rings and gaskets. Coat "O" rings with gasoline before installing "O" rings on fuel injectors. Use twisting motion when installing fuel injectors on fuel rail. Ensure spacers and insulators are installed on cylinder head.
When installing fuel rail, install fuel rail with fuel injectors on cylinder head. Loosely install fuel rail-to-cylinder head bolts.
Ensure fuel injectors rotate smoothly. If fuel injectors fail to 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. Refer to TORQUE SPECIFICATIONS . To install remaining components, reverse removal procedure.
Operate fuel pump and check for fuel leaks. See FUEL PUMP OPERATION under FUEL SYSTEM in BASIC TESTING article.

Fig 1: Exploded View Of Fuel Rail & Components