2005 Cadillac DeVille BaseFACTORY OEM SERVICE PROCEDURE

Disassemble Procedure

    Fig 1: Identifying Fuel Tank And Components
    GM681724Courtesy of GENERAL MOTORS CORP.
  1. If the fuel tank is not being replaced, refer to the Installation Procedure.
  2. Remove the fuel pipes (2, 3) and the EVAP pipe (1).
  3. Remove the fuel sender assembly. Refer to Fuel Sender Assembly ReplacementΒ .
  4. Fig 2: Identifying Fuel Filler Neck
    GM104599Courtesy of GENERAL MOTORS CORP.
  5. Remove the fuel filler hose clamp (2).
  6. Remove the fuel filler hose from the fuel tank (3).
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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