Removal Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the fuel rail assembly. Refer to Fuel Rail Assembly Replacement .
- Disconnect the fuel injector harness connector from the fuel injectors.
- Remove the injector retainer clip (1).
- Remove the fuel injector (3) from the fuel rail.
- Discard the injector retainer clip (1).
- Remove the injector O-ring seals (2, 4) from both ends of the injector. Discard the O-ring seals.
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.