Fuel Injector: Installation
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Always install new copper gaskets on the fuel injector lines.
- If the injector sleeve was pulled from the cylinder head when removing the injector(s), continue with this step. If the injector sleeve was not pulled from cylinder head, go to step 3. Clean the fuel injector sleeve bore with GM P/N 12377981 or equivalent. Lubricate and install NEW "O" rings onto the fuel injector sleeve.
- Install the fuel injector sleeve onto the Fuel Injector Sleeve Remover/Installer (J 45910). Apply GM P/N United States 12345493 or equivalent to the fuel injector sleeve lower sealing area. Install the fuel injector sleeve with J 45910 into the cylinder head. Lightly tap on the J 45910 with a hammer to install and seat the fuel injector sleeve. Remove the J 45910 from the fuel injector sleeve.
- Install the NEW injectors. Install the retaining bolt on the injector bracket. Install the injector bracket bolt. Tighten the fuel injector bracket bolt to 50 N.m (37 lb ft). Install the return line fuel injector. Install the lower left valve rocker arm cover.