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Home >> Chevrolet >> 2019 >> Cruze Premier, 4D Hatchback >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Repair Instructions) >> Repair Instructions >> Diesel Fuel Separator Replacement >> Removal Procedure

Removal Procedure

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WARNING:

The noise cancelling foam component MUST be replaced if it has been exposed to engine fluids. Failure to replace the noise cancelling 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.

  1. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection
  2. Dash Upper Extension Panel Opening Cover - Remove - Dash Upper Extension Panel Opening Cover Replacement
  3. Remove the engine sight shield. Engine Sight Shield Replacement
  4. Fuel Injection Fuel Feed Pipe - Remove - Fuel Injection Fuel Feed Pipe Replacement - Fuel Injection Pump to Fuel Rail 
  5. Fig 1: Identifying Electrical Connectors And Retainers
    GM4328728Courtesy of GENERAL MOTORS COMPANY

    Disconnect the electrical connector:

    1. Intake Manifold Runner Control Valve Actuator (1)
    2. Fuel Rail Pressure Sensor (2)
    3. Intake Air Pressure and Temperature Sensor (3)
    4. Fuel Pressure Regulator (4)
    5. Exhaust Temperature Sensor - Position 1 (5)
    6. Glow Plug (7) [4x]
  6. Wiring Harness Retainer (6, 8) - Unclip [4x]
  7. Fig 2: Identifying Diesel Fuel Separator And Components
    GM4328727Courtesy of GENERAL MOTORS COMPANY

    Fuel Return Front Pipe (1) @ Diesel Fuel Separator (2) - Disconnect - Metal Collar Quick Connect Fitting Service 

  8. Close all open connections with the suitable closure plugs.
  9. Diesel Fuel Separator Hose Clamp (5) - Loosen
  10. Diesel Fuel Separator Hose (4) @ Fuel Rail - Disconnect
  11. Clamp (6) - Remove and DISCARD
  12. Fuel Return Hose (7) @ Diesel Fuel Separator (2) - Disconnect
  13. Diesel Fuel Separator Bolt (3) - Remove
  14. GM4199253Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Conduit Bolt (1) - Remove [3x]

  15. GM4328729Courtesy of GENERAL MOTORS COMPANY

    Diesel Fuel Separator (2) @ Fuel Injection Pump (1) - Disconnect - Plastic Collar Quick Connect Fitting Service 

  16. Close all open connections with the suitable closure plugs.
  17. GM4328730Courtesy of GENERAL MOTORS COMPANY

    Remove the diesel fuel separator (1) by rotating clockwise while pulling up the diesel fuel separator.