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Home >> GMC >> 2014 >> Acadia SLE, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 3.6L (LLT) - Repair Instructions >> Repair Instructions >> Fuel Tank Replacement >> Installation Procedure
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Installation Procedure

  1. If the fuel tank was replaced, perform the following steps, otherwise proceed the step  21.
    Fig 1: Identifying EVAP Canister Vent Rear Pipe Quick Connect Fittings
    GM1860064Courtesy of GENERAL MOTORS COMPANY
  2. Install the fuel tank module. Refer to Fuel Tank Module Replacement .
  3. Lay the EVAP canister vent rear pipe into position on the fuel tank.
  4. Connect the EVAP canister vent rear pipe quick connect fittings (1) to the fuel tank rollover valves. Refer to Plastic Collar Quick Connect Fitting Service .
  5. Connect the EVAP canister vent rear pipe quick connect fitting (2) to the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service .
  6. Install the EVAP canister vent rear pipe to the retaining features (3) built into the fuel tank.
  7. Insert the rear of the EVAP canister into the EVAP canister bracket retainers (1), squeeze the retainer (2) and set the EVAP canister assembly into place.
    Fig 2: View Of EVAP Canister Vent Rear Pipe Quick Connect Fitting
    GM1860060Courtesy of GENERAL MOTORS COMPANY
  8. Connect the EVAP canister vent rear pipe quick connect fitting (1) to the EVAP canister. Refer to Plastic Collar Quick Connect Fitting Service .
  9. Place the fuel sender wiring harness into the channel in the fuel tank.
    Fig 3: Identifying Fuel Tank Pressure Sensor
    GM1860044Courtesy of GENERAL MOTORS COMPANY
  10. Connect the fuel sender wiring harness electrical connectors to the fuel tank module (1), fuel tank pressure sensor (2) and EVAP canister vent solenoid (3).
  11. Lay the EVAP canister vent front pipe into position on the fuel tank.
    Fig 4: View Of EVAP Canister Vent Front Pipe Quick Connect Fitting
    GM1860042Courtesy of GENERAL MOTORS COMPANY
  12. Connect the EVAP canister vent rear pipe quick connect fitting (1) to the EVAP canister. Refer to Plastic Collar Quick Connect Fitting Service .
  13. Install the EVAP canister vent rear pipe to the retaining features (2) built into the fuel tank.
  14. Route the fuel pump fuel feed pipe under the EVAP canister vent rear pipe and lay into position on the fuel tank.
    Fig 5: Identifying Fuel Pump Fuel Feed Line Quick Connect Fitting
    GM1860041Courtesy of GENERAL MOTORS COMPANY
  15. Connect the fuel pump fuel feed line quick connect fitting (1) to the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service .
  16. Install the fuel pump fuel feed line to the retaining features (2) built into the fuel tank.
  17. Install the foam pad insulators (1) onto the top of the fuel tank.
    Fig 6: View Of Foam Pad Insulators
    GM1860040Courtesy of GENERAL MOTORS COMPANY
  18. Install the fuel tank rear (4) and front (1) shields onto the fuel tank.
    Fig 7: Identifying Fuel Tank Shields Front & Rear
    GM1860039Courtesy of GENERAL MOTORS COMPANY
  19. Install the fuel tank front and rear shield push on nuts (2).
  20. Install the fuel tank front and rear shield nuts (3) until snug.
  21. With the aid of an assistant, remove the fuel tank from the work surface and place on the adjustable jack.
    Fig 8: View Of Fuel Tank
    GM1860038Courtesy of GENERAL MOTORS COMPANY
  22. With the aid of the assistant, raise the fuel tank into position under the vehicle.
  23. Install the fuel tank straps (1).
    Fig 9: Identifying Fuel Tank Straps
    GM1859797Courtesy of GENERAL MOTORS COMPANY
  24. Install the fuel tank strap bolts (1).
    Fig 10: Identifying Fuel Tank Strap Bolts
    GM1859792Courtesy of GENERAL MOTORS COMPANY
    CAUTION: Refer to Fastener Caution .

    Tighten 

    Tighten the bolts to 47 N.m (35 lb ft).

  25. Remove the adjustable jack from under the fuel tank.
  26. Install the left underbody side rail. Refer to Underbody Rear Side Rail Replacement .
  27. Connect the fuel sender wiring harness electrical connector (2) to the body wiring harness electrical connector.
    Fig 11: Identifying Fuel Sender Wiring Harness Electrical Connector
    GM1859786Courtesy of GENERAL MOTORS COMPANY
  28. Install the fuel sender wiring harness clip (1) to the underbody side rail extension.
  29. Connect the vent hose to the left rear of the fuel tank.
  30. Connect the fuel tank EVAP canister vent front pipe quick connect fitting (5) to the chassis EVAP line. Refer to Plastic Collar Quick Connect Fitting Service .
    Fig 12: View Of Fuel Tank Evaporative Emission Canister Vent Front Pipe Quick Connect Fitting
    GM1859788Courtesy of GENERAL MOTORS COMPANY
  31. Connect the fuel pump fuel feed line quick connect fitting (6) to the chassis fuel line. Refer to Plastic Collar Quick Connect Fitting Service .
  32. Position and install the fuel tank fill pipe (2) to the fuel tank.
    Fig 13: Identifying Fuel Fill Pipe
    GM1859411Courtesy of GENERAL MOTORS COMPANY
    NOTE: Ensure that the notch in the fill hose aligns with the tab on the fuel tank.
  33. Connect the EVAP canister vent rear pipe quick connect fitting (4) to the recirculation line on the fuel fill pipe (3). Refer to Plastic Collar Quick Connect Fitting Service .
  34. Tighten the fuel tank fill hose clamp (1) at the fuel tank.

    Tighten 

    Tighten the clamp to 3.3 N.m (29 lb in).

  35. Lower the vehicle.
  36. Refill the fuel tank.
  37. Tighten the fuel fill cap.
  38. Use the following procedure in order the inspect for leaks:
    1. Turn the ignition ON, with the engine OFF, for 2 seconds.
    2. Turn the ignition OFF for 10 seconds.
    3. Turn the ignition ON, with the engine OFF.
    4. Inspect for fuel leaks.
  39. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
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