2005 Buick Century CustomFACTORY OEM SERVICE PROCEDURE

Installation Procedure

    Fig 1: View Of Fuel Filler Pipe
    GM699550Courtesy of GENERAL MOTORS CORP.
  1. Install the fuel filler pipe.
  2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the fuel filler pipe screw to the underbody.

    Tighten:Β  Tighten the screw to 13 N.m (115 lb in).

  4. Fig 2: Identifying Fuel Tank Components
    GM186674Courtesy of GENERAL MOTORS CORP.
  5. Verify that the filler hose (4) is fully seated on the fuel tank port an the fuel filler pipe (2).
  6. Ensure that the fuel tank filler pipe hose clamp (1) is properly located on the tank port between the bead (5) and the pipe (3).

    Tighten:Β  Tighten the hose clamp to 2.5 N.m (22 lb in).

  7. Lower the vehicle.
  8. Fig 3: View Of Fuel Filler Pipe Screws
    GM186665Courtesy of GENERAL MOTORS CORP.
  9. Install the fuel filler pipe screws to the fuel filler pocket.

    Tighten:Β  Tighten the screws to 2.5 N.m (22 lb in).

  10. Add fuel and install the fuel fill cap.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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