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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Controls And Fuel - 1.6L (LH7) 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 battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (KL9)
  2. Drain the fuel tank. Refer to Fuel Tank Draining 
  3. Remove the fuel tank. Refer to Fuel Tank Replacement (AWD) Fuel Tank Replacement (FWD) 
  4. Remove the fuel tank fuel pump module. Refer to Fuel Tank Fuel Pump Module Replacement (FWD) Fuel Tank Fuel Pump Module Replacement (AWD) 
  5. Inspect the fuel pump inlet for dirt and debris. Replace the fuel pump if you find dirt or debris in the fuel pump inlet. Refer to Fuel Tank Fuel Pump Module Replacement (FWD) Fuel Tank Fuel Pump Module Replacement (AWD) 
  6. Locate a stand or fixture suitable to support the weight of the fuel tank and water.
  7. 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.
  8. Flush the fuel tank with running hot water for at least five minutes. Pour the water out of the fuel pump module opening. Rock the fuel tank in order to ensure that the removal of the water from the fuel tank is complete.
  9. 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.
  10. Hand dry tank surfaces with a white towel to confirm dryness and cleanliness.
  11. Install the fuel tank fuel pump module. Refer to Fuel Tank Fuel Pump Module Replacement (FWD) Fuel Tank Fuel Pump Module Replacement (AWD) 
  12. Install the fuel tank. Refer to Fuel Tank Replacement (AWD) Fuel Tank Replacement (FWD) 
  13. Fill the tank with clean fuel.