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Home >> Chevrolet >> 2012 >> Traverse LS, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls/Fuel - 3.6L - Repair Instructions >> Repair Instructions >> Fuel Tank Replacement >> Removal Procedure
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Removal Procedure

WARNING:

Do not allow smoking or the use of open flames in the area where work on the fuel or EVAP system is taking place. Anytime work is being done on the fuel system, disconnect the negative battery cable, except for those tests where battery voltage is required.

WARNING:

Fuel supply lines will remain pressurized for long periods of time after the engine is shutdown. This pressure must be relieved before servicing the fuel system.

    Fig 1: View Of Fuel Tank Evaporative Emission Canister Vent Front Pipe Quick Connect Fitting
    GM1859788Courtesy of GENERAL MOTORS COMPANY
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (Without CH-48027) , Fuel Pressure Relief (CH-48027) , Fuel Pressure Relief (High Side) .
  2. Drain the fuel tank. Refer to Fuel Tank Draining .
    3. WARNING:

    Whenever fuel lines are removed, catch fuel in an approved container. Container opening must be a minimum of 300 mm (12 in) diameter to adequately catch the fluid.

    CAUTION:

    Clean all fuel pipe connections and surrounding areas before disconnecting the fuel pipes to avoid contamination of the fuel system.

  3. Disconnect the fuel pump fuel feed line quick connect fitting (6) from the chassis fuel line. Refer to Plastic Collar Quick Connect Fitting Service .
  4. Disconnect the fuel tank evaporative emission (EVAP) canister vent front pipe quick connect fitting (5) from the chassis EVAP line. Refer to Plastic Collar Quick Connect Fitting Service .
    5. Fig 2: Identifying Fuel Sender Wiring Harness Electrical Connector
    GM1859786Courtesy of GENERAL MOTORS COMPANY
  5. Disconnect the vent hose from the left rear of the fuel tank.
  6. Disconnect the fuel sender wiring harness electrical connector (2) from the body wiring harness electrical connector.
  7. Remove the fuel sender wiring harness clip (1) from the underbody side rail extension.
    8. Fig 3: Identifying Fuel Tank Strap Bolts
    GM1859792Courtesy of GENERAL MOTORS COMPANY
  8. Remove the left underbody side rail. Refer to Underbody Rear Side Rail Replacement .
  9. Support the fuel tank with a suitable adjustable jack.
  10. Remove the fuel tank strap bolts (1). Allow the fuel tank straps to hang.
    11. Fig 4: Identifying Fuel Tank Straps
    GM1859797Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Do not bend the fuel tank straps. Bending the fuel tank straps may cause damage to the straps.

  11. Push up on the rear of the strap slightly and rotate the strap towards the rear of the vehicle, in order the remove the fuel tank straps (1).
    12. Fig 5: View Of Fuel Tank
    GM1860038Courtesy of GENERAL MOTORS COMPANY
  12. Using the adjustable jack and the aid of an assistant, lower the fuel tank from the underbody of the vehicle.
  13. With the aid of the assistant, remove the fuel tank from the adjustable jack, and place on a flat work surface.
    14. Fig 6: Identifying Fuel Tank Shields Front & Rear
    GM1860039Courtesy of GENERAL MOTORS COMPANY
  14. If replacing the fuel tank, perform the following steps, otherwise proceed to step 21 in the installation procedure.
  15. Remove the fuel tank front and rear shield push on nuts (2).
  16. Remove the fuel tank front and rear shield nuts (3).
  17. Remove the fuel tank front (1) and rear (4) shields.
    18. Fig 7: View Of Foam Pad Insulators
    GM1860040Courtesy of GENERAL MOTORS COMPANY
  18. Remove the foam pad insulators (1) from the top of the fuel tank.
    19. Fig 8: Identifying Fuel Pump Fuel Feed Line Quick Connect Fitting
    GM1860041Courtesy of GENERAL MOTORS COMPANY
  19. Disconnect the fuel pump fuel feed line quick connect fitting (1) from the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service .
  20. Remove the fuel pump fuel feed line from the retaining features (2) built into the fuel tank and out from under the EVAP canister vent rear pipe.
    21. Fig 9: View Of EVAP Canister Vent Front Pipe Quick Connect Fitting
    GM1860042Courtesy of GENERAL MOTORS COMPANY
  21. Disconnect the EVAP canister vent front pipe quick connect fitting (1) from the EVAP canister. Refer to Plastic Collar Quick Connect Fitting Service .
  22. Remove the EVAP canister vent front pipe from the retaining features (2) built into the fuel tank.
    23. Fig 10: Identifying Fuel Tank Pressure Sensor
    GM1860044Courtesy of GENERAL MOTORS COMPANY
  23. Disconnect the fuel sender wiring harness electrical connectors from the fuel tank module (1), fuel tank pressure sensor 2), and EVAP canister vent solenoid (3).
  24. Remove the fuel sender wiring harness.
    25. Fig 11: View Of EVAP Canister Vent Rear Pipe Quick Connect Fitting
    GM1860060Courtesy of GENERAL MOTORS COMPANY
  25. Disconnect the EVAP canister vent rear pipe quick connect fitting (1) from the EVAP canister. Refer to Plastic Collar Quick Connect Fitting Service .
  26. Squeeze the retainer (2) into order to disengage the retainer from the EVAP canister, and remove the EVAP canister assembly from the EVAP canister bracket retainers (1).
    27. Fig 12: Identifying EVAP Canister Vent Rear Pipe Quick Connect Fittings
    GM1860064Courtesy of GENERAL MOTORS COMPANY
  27. Disconnect the EVAP canister vent rear pipe quick connect fittings (1) from the fuel tank rollover valves. Refer to Plastic Collar Quick Connect Fitting Service .
  28. Disconnect the EVAP canister vent rear pipe quick connect fitting (2) from the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service .
  29. Remove the EVAP canister vent rear pipe from the retaining features (3) built into the fuel tank.
  30. Remove the fuel tank module. Refer to Fuel Tank Module Replacement .
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