Silverado Classic 3500 2WD V8-8.1L (2007)
Fuel Injector: Removal and Replacement
FUEL INJECTOR REPLACEMENT
REMOVAL PROCEDURE
NOTE: Use care in removing the fuel injectors in order to prevent damage to the fuel injector electrical connector pins or the fuel injector nozzles.
Do not immerse the fuel injector in any type of cleaner. The fuel injector is an electrical component and may be damaged by this cleaning method.
IMPORTANT: The engine oil may be contaminated with fuel if the fuel injectors are leaking.
1. Remove the fuel rail.
2. Remove and discard the fuel injector retaining clip (1).
3. Remove the injector (5) from the fuel rail.
4. Remove and discard the injector O-ring seals (2, 4) from both ends of the injector.
INSTALLATION PROCEDURE
IMPORTANT: When ordering new fuel injectors, be sure to order the correct injector for the application being serviced
The fuel injector (1) is stamped with a part number identification (2). A 4-digit build date code (3) indicates the month (4), day (5), year (6), and shift
(7) that built the injector.
1. Lubricate the NEW injector O-ring seals (2, 4) with clean engine oil.
2. Install the NEW injector O-ring seals onto the injector.
3. Install a NEW retaining clip (1) on the injector.
4. Push the fuel injector (5) into the fuel rail with the electrical connector facing outwards. The retaining clip (4) locks onto a flange on the fuel rail
injector socket.
5. Install the fuel rail.
