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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Controls And Fuel - 2.0L (LUZ) Diesel - Repair Instructions) >> Repair Instructions >> Fuel System Cleaning >> Cleaning Water From the Fuel System

Cleaning Water From the Fuel System

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect the negative battery. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the fuel level sensor. Refer to Fuel Level Sensor Replacement .
  3. Inspect the fuel tank and the fuel sender for rust, fungi or bacteria. If there is rust, replace the rusted components.
  4. Clean the inside of the fuel tank and the fuel sender with hot water.
  5. Use compressed air in order to dry the fuel tank and the fuel sender.
  6. Disconnect the ends of the following lines:
    • The fuel filter inlet line (both ends)
    • The fuel filter outlet line (both ends)
    • The fuel filter drain
    • The fuel return line (both ends)
  7. Inspect each of the pipes and lines.
  8. Clean the inside of the fuel filter housing.
  9. Dry the fuel filter housing with compressed air.
  10. Dry the inside of each line with low pressure air.
  11. Install a new fuel filter. Refer to Fuel Filter Replacement .
  12. Install the fuel level sensor. Refer to Fuel Level Sensor Replacement .
  13. Add clean diesel fuel to the primary tank until the tank is 1/4 full.
  14. Reconnect the following lines:
    • The fuel filter inlet line
    • The fuel filter outlet line
    • The transfer pump pressure and suction (both ends) lines
    • The fuel return line (tank end)
  15. Connect the fuel filter drain to a line that flows into a clean metal container.
  16. Connect the batteries.
  17. Operate the fuel system hand primer at the fuel filter until clean fuel flows from the fuel filter drain into a metal container.
  18. Install a hose on the fuel return line and insert other end into a 7.6 liters (2 gallon) metal container.
  19. Crank the engine for 30 second time intervals, with 1 minute cool-down periods. Continue until 3.8 liters (1 gallon) of fuel has passed into the container.
  20. Connect the fuel return line.
  21. Start and run the engine.
  22. Stop the engine.
  23. Clean any fuel spillage from the engine.
  24. Fill the fuel tank and add a biocide, if needed.
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