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HOMESERVICE MANUALSCHEVROLET2008AVEO LT, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS AND FUEL - 1.6L - INTRODUCTION (2 OF 2)REPAIR INSTRUCTIONSFUEL INJECTION FUEL RAIL ASSEMBLY REPLACEMENTREMOVAL PROCEDURE
2008 Chevrolet Aveo LT, Automatic

Removal Procedure

2008 Chevrolet Aveo LT, AutomaticSECTION Removal Procedure
    CAUTION: Refer to Relieving Fuel Pressure Caution .
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
    2. CAUTION: Refer to Battery Disconnect Caution .
  2. Disconnect the negative battery cable.
    3. Fig 1: Engine Cover Bolts
    GM1920690Courtesy of GENERAL MOTORS CORP.
  3. Remove the engine cover bolts and cover.
    4. Fig 2: Electronic Throttle Control Connector
    GM1920693Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the electronic throttle control connector.
  5. Disconnect the intake air temperature sensor.
  6. Disconnect the camshaft position sensor.
  7. Disconnect the manifold absolute pressure sensor.
  8. Disconnect the fuel injector harness connectors.
    9. Fig 3: Purge Solenoid Valve To Intake Manifold Hose
    GM1920696Courtesy of GENERAL MOTORS CORP.
  9. Remove the purge solenoid valve to intake manifold hose.
  10. Remove the MAP sensor vacuum hose.
  11. Remove the upper intake manifold bracket bolts.
  12. Remove the upper intake manifold bracket.
    13. Fig 4: Fuel Feed Line
    GM1920698Courtesy of GENERAL MOTORS CORP.
  13. Disconnect the fuel feed line.
    14. Fig 5: Throttle Body Outlet Coolant Hose
    GM1920701Courtesy of GENERAL MOTORS CORP.
  14. Disconnect the throttle body outlet coolant hose.
    15. NOTE:
    • 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.
  15. Remove the fuel rail mounting bolts.
    16. Fig 6: Fuel Rail, Injectors & Clips
    GM1920702Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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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.