GM Service Manual Online
For 1990-2009 cars only

Caution: 

   • Use care when servicing the fuel system components, especially the fuel injector electrical connectors, the fuel injector tips, and the injector O-rings. Plug the inlet and the outlet ports of the fuel rail in order to prevent contamination.
   • Do not use compressed air to clean the fuel rail assembly as this may damage the fuel rail components.
   • Do not immerse the fuel rail assembly in a solvent bath in order to prevent damage to the fuel rail assembly.


    Object Number: 2027822  Size: SH
  1. Install the fuel rail (2).
  2. Install the 2 fuel rail nuts (3)
  3. Install 4 NEW fuel injection fuel rail tubes (1).

  4. Object Number: 2027823  Size: SH

    Note: Counter hold the injector tube connector (2) and tighten the fuel rail tube to injector nut (1).

  5. Tighten the fuel rail tube nuts (1) to:
  6. • Fuel injectors  27 N·m (20 lb ft)
    • Fuel rail  20 N·m (15 lb ft)