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Home >> Cadillac >> 2023 >> XT6 Sport >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.6L - Repair Instructions >> Repair Instructions >> Fuel Injection Fuel Rail Assembly Replacement - Bank 2 >> Removal Procedure

Removal Procedure

WARNING:

The noise cancelling foam component MUST be replaced if it has been exposed to engine fluids. Failure to replace the noise canceling foam component that has been exposed to engine fluids may result in an engine fire resulting in catastrophic engine damage, and possible injury or death.

WARNING:

Fuel/gasoline vapors are highly flammable. A fire could occur if an ignition source is present. Never drain or store gasoline or diesel fuel in an open container, due to the possibility of fire or explosion. Have a dry chemical (Class B) fire extinguisher nearby.

WARNING:

Wear safety glasses in order to avoid eye damage.

NOTE:

High pressure fuel feed pipes are one time use only. ALWAYS install a NEW high pressure fuel feed pipe if the pipe is removed OR the fittings are loosened.

  1. Relieve the fuel system pressure. Fuel Pressure Relief 
  2. Fuel Injection Fuel Rail Noise Shield - Remove - Fuel Injection Fuel Rail Noise Shield Replacement 
  3. Fuel Feed Intermediate Pipe - Remove and DISCARD - Fuel Feed Intermediate Pipe Replacement 
  4. GM4310634Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) @ Fuel Injection Fuel Rail Wiring Harness (2) - Disconnect

  5. GM4310701Courtesy of GENERAL MOTORS COMPANY

    Fuel Injection Fuel Rail Bolt (1) - Remove [3x]

  6. GM4310570Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The EN-49248  remover hooks MUST be properly seated on the underside of the fuel injection fuel rail.

    Install the EN-49248  remover components (1) and 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 components (1).
  8. NOTE:

    Whenever ANY fuel injector is removed from the cylinder head or the fuel injection fuel rail, the fuel injector MUST be rebuilt.

  9. Rebuild ALL of the fuel injectors.