2005 Cadillac DeVille BaseFACTORY OEM SERVICE PROCEDURE

Installation Procedure

    Fig 1: Identifying Fuel Filler Pipe
    GM65743Courtesy of GENERAL MOTORS CORP.
  1. Install the fuel filler pipe (1).
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the fuel filler pipe clamp.

    Tighten:  Tighten the fuel filler pipe clamp to 4.2 N.m (37 lb. in.).

    3. Fig 2: View Of Fuel System Assembly
    GM614282Courtesy of GENERAL MOTORS CORP.
  3. Install the fuel tank filler pipe ground wire attaching bolt (4).

    Tighten:  Tighten the bolt to 9 N.m (80 lb. in.).

  4. Install the wheel house filler pipe opening cover (2).
  5. Lower the vehicle.
  6. Add fuel to the fuel tank.
  7. Install the fuel tank filler pipe cap.
  8. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  9. Perform the following procedure in order to inspect for leaks:
    1. Turn ON the ignition, with the engine OFF for 2 seconds.
    2. Turn OFF the ignition for 10 seconds.
    3. Turn ON the ignition, with the engine OFF.
    4. Inspect for fuel leaks.
  10. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical.
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:

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

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