Installation (Tercel)

To install, reverse removal procedure using NEW grommets, "O" rings 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.
With fuel rail installed, 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. See TORQUE SPECIFICATIONS . Operate fuel pump and check for fuel leaks. See FUEL PUMP OPERATION under FUEL SYSTEM in appropriate BASIC TESTING article.

Fig 1: Exploded View Of Fuel Rail & Components (Tercel)