GM Service Manual Online
For 1990-2009 cars only

Fuel Rail and Injectors Removal 6.2L


    Object Number: 2173554  Size: SH

    Note: 

       • The supercharger, throttle body, fuel injection rail and fuel injectors may be removed as an assembly. If not servicing the individual components, remove the supercharger as an assembly.
       • Do not separate the fuel injectors from the fuel rail, unless component service is required.
       • Use cleanliness and care when handling the fuel system components. Do not allow dirt or debris to enter the fuel injectors or fuel rail components. Cap ends as necessary.

  1. Remove the studs (1), bolt (2) and fuel rail (3). Remove the left side of the fuel rail with flex-hose first, then remove the right side of the fuel rail until all injectors have left their bores.

  2. Object Number: 2156724  Size: SH
  3. Remove the wiring harnesses (2) and (3) from the fuel rail (1).

  4. Object Number: 2156729  Size: SH
  5. Remove the retainers (1) and fuel injectors (3).
  6. Remove the O-rings (2), as required.
  7. Remove the service port cap (4), as required.