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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 185 (Engine Controls - 3.5L - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Tank Replacement (Long Wheel Base) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to NYLON FUEL LINES NOTICE Nylon Fuel Lines Notice in Cautions and Notices.
  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. Disconnect the fuel supply pipe quick-connect fitting. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  5. Disconnect the quick connect fitting on the evaporative emission (EVAP) purge pipe. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
    6. Fig 1: Locating Vapor Recirculation Pipe At Filler Tube
    GM49730Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the vapor recirculation pipe from the filler tube.
  7. Disconnect the fuel filler hose at the fuel tank.
  8. Disconnect the fuel tank harness at the body pass through.
  9. Remove the fuel tank shield.
    10. Fig 2: Locating Fuel Tank Strap Attaching Bolts
    GM49727Courtesy of GENERAL MOTORS CORP.
  10. With the aid of an assistant, support the fuel tank.
  11. Remove the fuel tank strap attaching bolts and lower the fuel tank straps.
    12. Fig 3: View Of Fuel Tank
    GM49733Courtesy of GENERAL MOTORS CORP.
  12. Remove the fuel tank from the vehicle.
  13. If the fuel tank is not being replaced, go to the installation procedure.
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