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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Controls - 2.4L - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Rail Assembly Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Relieving Fuel System Pressure
    GM1647977Courtesy of GENERAL MOTORS CORP.
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .
  2. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  3. Disconnect the fuel feed line quick connect fitting (4) from the fuel rail. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
  4. Cap or plug the fuel line and the fuel rail to prevent contamination.
    5. Fig 2: Disconnecting Engine Harness Electrical Connector From Fuel Injector Harness
    GM1647528Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the engine harness electrical connector (2) from the fuel injector harness.
  6. Remove the fuel injector harness connector clip from the intake manifold.
    7. Fig 3: Removing 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 electrical connector terminals and spray tips.
  8. Pull the fuel rail back and upward to remove the fuel injectors from the cylinder head ports.
  9. Remove the fuel rail.
  10. Remove the fuel injectors, if necessary. Refer to Fuel Injector Replacement .
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