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Home >> Chevrolet >> 2018 >> Volt Premier >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel System- - 1.5L (L3A) - Repair Instructions >> Repair Instructions >> Fuel Tank Replacement >> Removal Procedure

Removal Procedure

WARNING:

Ensure all High Voltage safety procedures are followed. Failure to follow the procedure exactly as written may result in serious injury or death.

  1. Relieve the fuel pressure: Fuel Pressure Relief 
  2. Battery Negative Cable Disconnection and Connection - Disconnect
  3. Fuel Tank Draining 
  4. Raise and support the vehicle. Lifting and Jacking the Vehicle
  5. Underbody Rear Air Deflector Replacement - Remove
  6. Underbody Front Air Deflector Replacement - Left Side - Remove
  7. GM4091014Courtesy of GENERAL MOTORS COMPANY

    Evaporative Emission Rear Hose (1) - Disconnect- Plastic Collar Quick Connect Fitting Service 

  8. Close all open connections with the EN-6015  plugs.
  9. Disconnect the fuel tank fuel pump module wiring harness electrical connector (2).
  10. Open the retainer (6).
  11. Fuel Tank Filler Vent Pipe (3) - Disconnect- Plastic Collar Quick Connect Fitting Service 
  12. Close all open connections with the EN-6015  plugs.
  13. Clamp (5) - Loosen
  14. GM4091061Courtesy of GENERAL MOTORS COMPANY

    Fuel Tank Filler Pipe Ground Bolt (1) - Remove

  15. GM4091014Courtesy of GENERAL MOTORS COMPANY

    Fuel Tank Filler Hose (4) - Remove

  16. GM4091015Courtesy of GENERAL MOTORS COMPANY

    Fuel Feed Pipe (1) - Disconnect- Plastic Collar Quick Connect Fitting Service 

  17. Close all open connections with the EN-6015  plugs.
  18. Remove rear coil springs. Refer to Rear Coil Spring Replacement
  19. GM4217522Courtesy of GENERAL MOTORS COMPANY

    Reinstall the lower shock fasteners (2) to the shock (1) without the coil springs.

  20. Support the rear axle with a suitable jack stand.
  21. GM4854924Courtesy of GENERAL MOTORS COMPANY

    Remove and DISCARD the 3 right side axle bracket bolts (1).

  22. GM4551112Courtesy of GENERAL MOTORS COMPANY

    Loosen the 3 left side axle bracket bolts (1). Do not remove the bolts at this time.

  23. GM4217523Courtesy of GENERAL MOTORS COMPANY

    Lower the front (1) of the axle and position rearward enough to allow the fuel tank to be removed.

  24. GM4091016Courtesy of GENERAL MOTORS COMPANY

    Support the fuel tank with a suitable jack. (3)

  25. Remove the 4 fuel tank strap bolts (2, 4).
  26. Fuel Tank Strap (1) - Remove [2x]
  27. GM4091017Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    A second technician is required.

    Move the fuel tank (1) rearwards until there is enough space between the fuel tank (1) and the fuel tank strap bracket (2).

  28. Lower the fuel tank (1) slowly using the suitable adjustable jack (3).