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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 501 (Engine Controls/Fuel - Hybrid (LZ1) - Repair Instructions) >> Repair Instructions >> Fuel Tank Filler Pipe Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

Clean the fuel connections and surrounding areas prior to disconnecting the lines in order to avoid possible contamination.

    Fig 1: View Of Filler Door And Tethered Fuel Filler Cap
    GM300314Courtesy of GENERAL MOTORS COMPANY
  1. Remove the fuel fill cap.
    2. Fig 2: View Of Fuel Tank Filler Housing To Body Screws & Retainer
    GM853731Courtesy of GENERAL MOTORS COMPANY
  2. Remove the fuel tank filler housing to body TORX® screws (1) and retainer (2).
    3. Fig 3: View Of Spare Tire & Stowage Lock Cylinder
    GM1704585Courtesy of GENERAL MOTORS COMPANY
  3. Remove the spare tire stowage lock cylinder, if necessary.
  4. Remove the spare tire, if necessary.
  5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
    6. Fig 4: View Of Rear Axle Vent Hose Clip
    GM1704586Courtesy of GENERAL MOTORS COMPANY
  6. Remove the rear axle vent hose clip (1) from the fill pipe.
  7. If necessary, remove the air suspension hose at the fill pipe.
    8. Fig 5: View Of Fill Pipe Ground Strap, Lamp Ground Wires & Harness Ground Bolts
    GM1704587Courtesy of GENERAL MOTORS COMPANY
  8. Remove the chassis wiring harness ground bolt (2).
  9. Remove the left rear lamp ground wire (4) and fill pipe ground strap (5) from the frame.
    10. Fig 6: View Of Fuel Vent Hose Clamp & Fuel Filler Hose Clamp
    GM1964118Courtesy of GENERAL MOTORS COMPANY
  10. Loosen the fuel fill hose clamp (1).
  11. Remove the fuel fill hose from the fuel tank.
  12. Loosen the fuel fill pipe vent hose clamp (2) at the fuel tank vent valve.
    13. Fig 7: View Of Fuel Fill Pipe Retainer, Bracket Bolts & Quick Connect Fitting
    GM1964116Courtesy of GENERAL MOTORS COMPANY
  13. Disconnect the fuel fill pipe vent line quick connect fitting (3) from the evaporative emission (EVAP) canister vent solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service .
  14. Remove the fuel fill pipe bracket bolts (2, 4).
  15. Cap the fuel tank opening and EVAP vent line in order to prevent fuel/EVAP system contamination.
  16. Remove the fuel fill pipe assembly.
  17. If replacing any serviceable part of the fill pipe assembly proceed to the disassemble procedure, otherwise proceed to the installation procedure.
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