Removal (5.3L)
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
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.
CAUTION:
The engine oil may be contaminated with fuel if the fuel injectors are leaking.
- Remove the fuel rail. See FUEL RAIL ASSEMBLY .
- Remove and discard the fuel injector retainer clip (19). See Figure.
- Remove the fuel injector (17).
- Remove and discard the fuel injector retainer clip. See Figure.
- Remove and discard the fuel injector "O" ring seals.