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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1844 (Engine Controls And Fuel - 2.4L (Lat) - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Rail Assembly Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating Quick Connect Fittings, Bracket And Retainers
    GM1683133Courtesy of GENERAL MOTORS CORP.
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  2. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  3. Disconnect the fuel feed line (1) quick connect fitting from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
    4. Fig 2: Identifying Engine Electrical Connectors Left Side
    GM1810743Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the engine wiring harness electrical connector (1) from the throttle actuator control (TAC).
  5. Remove the fuel injector wiring harness electrical connector clip (6) from the starter generator tab.
  6. Disconnect the fuel injector wiring harness electrical connector (7) from the engine wiring harness electrical connector (8).
    7. Fig 3: Identifying Fuel Rail Bolts
    GM1578472Courtesy of GENERAL MOTORS CORP.
  7. Remove the fuel rail bolts.
    8. IMPORTANT: Use care when removing the fuel rail assembly in order to prevent damage to the fuel injector spray tips.
  8. Pull the fuel rail back and upward in order to release the fuel injectors from the cylinder head ports.
  9. Remove the fuel rail.
    10. Fig 4: View Of Fuel Injector Tip Insulators
    GM1336272Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The fuel injector tip insulators may be located on the injector or may still be located in the cylinder head. Either way, ensure that all 4 injector tip insulators are removed and discarded.
  10. Remove and discard the fuel injector tip insulators.
    11. Fig 5: View Of Fuel Rai & Injectors
    GM1683401Courtesy of GENERAL MOTORS CORP.
  11. Disconnect the fuel injector wiring harness electrical connectors from the fuel injectors.
  12. Remove the fuel injector wiring harness clips from the fuel rail.
  13. Remove the fuel injector wiring harness from the fuel rail.
  14. Remove the fuel injectors, if necessary. Refer to Fuel Injector Replacement .
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