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Home › GMC › 2018 › Terrain Denali, 4WD › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Controls And Fuel - 2.0L (LTG) - Repair Instructions › Repair Instructions › Fuel Injection Fuel Rail Assembly Replacement › Removal Procedure

Removal Procedure

  1. Remove Fuel Injection Fuel Rail Noise Shield - Fuel Injection Fuel Rail Noise Shield Replacement 
  2. Remove Fuel Feed Intermediate Pipe - and DISCARD - Fuel Feed Intermediate Pipe Replacement 
  3. Remove Fuel Injection Fuel Rail Fuel Pressure Sensor - Fuel Injection Fuel Rail Fuel Pressure Sensor Replacement 
    4. Fig 1: Fuel Injection Fuel Rail Wiring Harness
    GM4791001Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The fuel injection fuel rail wiring harness is clipped onto the fuel rail.

  4. Remove the fuel injection fuel rail wiring harness (1).
    5. Fig 2: Fuel Injection Fuel Rail Bolts
    GM4790075Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Fuel rail bolts are captured in the fuel rail assembly. Ensure the bolt is completely loosened, and the threads are no longer engaged. Use a suitable tool to apply enough force to pull the bolt straight out of the fuel rail.

  5. Remove the fuel injection fuel rail bolts (1) including the upper grommets.
    6. Fig 3: Fuel Injection Fuel Rail And Remover
    GM4791011Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • The hook of the portion of the EN-49248  remover MUST be properly seated on the underside of the fuel injection fuel rail.
    • Turn BOTH handles simultaneously, in small, even increments.
    • Do NOT twist the fuel injector fuel rail while removing.
  6. Using the EN-49248  remover (1), slowly work the fuel injection fuel rail (2) upwards, in small, even increments.
  7. Once the fuel injection fuel rail (2) is free, remove the EN-49248  remover (1), and remove the fuel rail from the vehicle.
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