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HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (ENGINE CONTROLS - 2.0L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSFUEL RAIL ASSEMBLY REPLACEMENTREMOVAL PROCEDURE
2006 Chevrolet Cobalt SS, 4D Sedan, Standard

Removal Procedure

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Removal Procedure
WARNING: This page is about a different variant/trim than selected.
  1. Remove the coolant overflow pipe.
    2. Fig 1: View Of Fuel Rail & Injector Cups
    GM1381514Courtesy of GENERAL MOTORS CORP.
  2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .
  3. Use a back up wrench on the fuel rail and disconnect the fuel supply pipe.
  4. Remove the fuel rail attaching studs.
    IMPORTANT: Use care when removing the fuel rail assembly in order to prevent damage to the fuel injectors electrical connector terminals and spray tips.
  5. Remove the fuel rail using the following procedure:
    1. Pull the fuel rail back and upward to remove the fuel injectors from the cylinder head ports.
    2. Rotate the fuel rail in order to position the injectors downward.
    3. Remove the fuel rail.
  6. Disconnect the fuel injector harness connectors.
  7. Remove the fuel injectors. Refer to Fuel Injector Replacement .
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.