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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 >> Fuel Tank Cleaning

Fuel Tank Cleaning

WARNING: This page is about a different variant/trim than selected.
NOTE:
  • Only use oil free compressed air to blow out the fuel pipes.
  • Inspect the fuel tank internally and clean the fuel tank if you find a plugged fuel filter.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Drain the fuel tank. Refer to Fuel Tank Draining .
  3. Remove the fuel tank. Refer to Fuel Tank Replacement .
  4. Remove the fuel level sensor. Refer to Fuel Level Sensor Replacement .
  5. Inspect the fuel pump strainer. Replace a contaminated strainer and inspect the fuel pump.
  6. Inspect the fuel pump inlet for dirt and debris. Replace the fuel pump if you find dirt or debris in the fuel pump inlet.
  7. Locate a stand or fixture suitable to support the weight of the fuel tank and water.
  8. Turn the in-frame rail fuel tank over so that the modular reservoir assembly opening is facing down.
  9. Install side mounted fuel tanks upright and horizontal on stand of fixture and remove the drain plug and set aside for re-installation.
  10. Using a high pressure water spray-wand, spray all interior surfaces with clean/non-contaminated water. Be sure to spray all interior tank surfaces including for and aft sections of tank behind baffles, while allowing water to drain out the modular reservoir assembly opening or drain hole. Perform each wash cycle for a minimum of 30 seconds using a minimum of 4 liters (1 gallon) of clean/non-contaminated water.
    NOTE:
    • When flushing the fuel tank, handle the fuel and water mixture as a hazardous material. Handle the fuel and water mixture in accordance with all applicable local, state and federal laws and regulations.
    • Do not drill any access or drain holes in the fuel tank.
  11. Using a high pressure wand, dry all interior tank surfaces. Tank should be tipped accordingly to facilitate removal of water. Assure pressurized air does not contain any contaminants.
  12. Repeat steps  10 and  11 for a total of 3 wash/dry cycles.
  13. Hand dry tank surfaces with a white towel to confirm dryness and cleanliness.

    Use a non-metallic extension to push the towel beyond tank baffles.

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