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Home › Cadillac › 2012 › Escalade EXT › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Controls/Fuel - 5.3L, 6.0L, 6.2L - Repair Instructions › Repair Instructions › Fuel Tank Filler Pipe Replacement (1500 Series) › Installation Procedure

Installation Procedure

    Fig 1: Fuel Tank Vent Line Quick Connect Fitting, Hose Clamp, Bracket Bolts & Fill Hose
    GM1964115Courtesy of GENERAL MOTORS COMPANY
  1. Remove the caps from the fuel tank opening and the EVAP vent line.
  2. Install the fuel fill hose to the fuel tank. Ensure that the notch in the hose is aligned with the notch on the fuel tank.
  3. Tighten the fuel fill hose clamp (6).

    Tighten 

    Tighten the clamps to 2.5 N.m (22 lb in).

  4. Install the fuel fill pipe bracket bolts (2, 4).

    Tighten 

    Tighten the bolt to 12 N.m (106 lb in).

  5. Connect the fuel fill hose vent line quick connect fitting (3) to the EVAP canister vent solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service .
  6. Connect the fuel fill pipe vent line to the fuel tank quick connect fitting (5). Refer to Plastic Collar Quick Connect Fitting Service .
    7. Fig 2: View Of Fill Pipe Ground Strap, Lamp Ground Wires & Harness Ground Bolts
    GM1704587Courtesy of GENERAL MOTORS COMPANY
  7. Position the fill pipe ground strap (5) to the left rear lamp ground wire (4).
  8. Install the rear lamp ground wire (4) and ground strap (5) to the frame. Insert the lamp ground wire anti-rotation tab into the hole in the frame.
  9. Install the chassis wiring harness ground bolt.

    Tighten 

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

    10. Fig 3: View Of Rear Axle Vent Hose Clip
    GM1704586Courtesy of GENERAL MOTORS COMPANY
  10. If necessary, install the air suspension hose at the fill pipe.
  11. Install the rear axle vent hose clip (1) to the fill pipe.
  12. Lower the vehicle.
    13. Fig 4: View Of Fuel Tank Filler Housing To Body Screws & Retainer
    GM853731Courtesy of GENERAL MOTORS COMPANY
  13. Install the fuel tank filler housing to body TORX® screws (1) and retainer (2).

    Tighten 

    Tighten the screws to 2.3 N.m (20 lb in).

    14. Fig 5: View Of Spare Tire & Stowage Lock Cylinder
    GM1704585Courtesy of GENERAL MOTORS COMPANY
  14. Install the spare tire, if necessary.
  15. Install the spare tire stowage lock cylinder, if necessary.
    16. Fig 6: View Of Filler Door And Tethered Fuel Filler Cap
    GM300314Courtesy of GENERAL MOTORS COMPANY
  16. Install the fuel fill cap.
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