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Home >> Buick >> 2005 >> Rendezvous Ultra, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 3.6L - Introduction >> Repair Instructions >> Fuel Tank Replacement >> Removal Procedure
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Removal Procedure

    IMPORTANT: Always maintain cleanliness when servicing fuel system components.
  1. Relieve the fuel system fuel pressure. Refer to Fuel Pressure Relief Procedure .
  2. Drain the fuel tank. Refer to Fuel Tank Draining Procedure .
  3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
    4. Fig 1: View Of Fuel Tank Wiring Harness Connector At Body Pass Through
    GM680801Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the fuel tank wiring harness connector (1).
    5. Fig 2: View Of Fuel Pipes
    GM1404183Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the fuel evaporative emission (EVAP) pipes. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
    6. Fig 3: Locating EVAP Canister Bracket Retaining Nut
    GM669530Courtesy of GENERAL MOTORS CORP.
  6. Remove the EVAP canister bracket nut.
    7. Fig 4: View Of Fuel Tank Filler Pipe Hose Clamp
    GM670051Courtesy of GENERAL MOTORS CORP.
  7. Loosen the fuel tank fill pipe hose clamp.
  8. Disconnect the fuel tank fill pipe hose (2) from the fuel tank (1).
  9. Disconnect the EVAP vent pipe near the fill pipe hose. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
    10. NOTE: Do not bend the fuel tank straps. Bending the fuel tank straps may damage the straps.
    Fig 5: Identifying Fuel Tank Strap Attaching Bolts
    GM670192Courtesy of GENERAL MOTORS CORP.
  10. With the aid of an assistant or a transmission jack, support the fuel tank and remove the fuel tank strap attaching bolts (2).
  11. Remove the fuel tank from the vehicle and place the fuel tank in a suitable work area.
    12. Fig 6: Identifying EVAP Canister & Purge Pipe
    GM670190Courtesy of GENERAL MOTORS CORP.
  12. If the fuel tank is being replaced, perform the following steps:
    1. Remove the fuel sender (1). Refer to Fuel Tank Module Replacement .
    2. Remove the fuel tank wiring harness from the fuel tank.
    3. Remove the fuel pipes from the fuel tank.
    4. Remove the EVAP vent solenoid valve (2). Refer to Evaporative Emission (EVAP) Canister Vent Solenoid Valve Replacement .
    5. Remove the EVAP canister (3). Refer to Evaporative Emission (EVAP) Canister Replacement .
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