2005 Hummer H2 4D Utility PickupFACTORY OEM SERVICE PROCEDURE

Removal Procedure

    Fig 1: Fuel Filler Cap
    GM832911Courtesy of GENERAL MOTORS CORP.
  1. Clean all the fuel pipe and hose connections and the surrounding areas before disconnection in order to avoid possible contamination of the fuel system.
  2. Remove the fuel filler cap.
  3. Drain the fuel below the level of the fuel filler hose. Refer to Fuel Tank Draining Procedure .
    4. Fig 2: Fuel Fill Hose & Hose Clamps
    GM832912Courtesy of GENERAL MOTORS CORP.
  4. Remove the fuel fill pipe housing/bezel to fuel fill pipe bolts.
  5. Remove housing/bezel by rotating clockwise.
  6. Remove the left rear wheelhouse panel. Refer to Wheelhouse Panel Replacement in Body Rear End.
  7. Disconnect the rear axle vent and air spring compressor hoses from the retainer on the fuel fill pipe, if applicable.
  8. Loosen the fuel vent hose to fuel tank clamp.
  9. Loosen the fuel fill hose to fuel tank clamp.
  10. Disconnect the fuel fill pipe bracket bolt.
  11. Disconnect the fuel fill and vent hoses from the fuel tank.
  12. Remove the fuel fill and vent pipe and hose assembly.
  13. Cap the open end of the fuel tank.
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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