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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 (2500 Series) >> Installation Procedure

Installation Procedure

    Fig 1: View Of Fuel Hoses & Clamp
    GM1704321Courtesy of GENERAL MOTORS COMPANY
  1. Remove the caps from the open end of the front fuel tank.
  2. Remove the caps from the fuel/EVAP lines.
  3. Install the fuel fill hose/pipe assembly.
  4. Install the fuel fill hose to the front tank.
  5. Connect the fuel fill hose EVAP line quick connect fitting (2) to the fuel tank line. Refer to Plastic Collar Quick Connect Fitting Service .
  6. Tighten the fuel tank fill hose clamp (1) at the front tank.

    Tighten 

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

  7. Install the fuel fill hose integral clamp to the crossmember.
  8. Install the rear axle vent hose clip to the fill pipe neck.
    9. Fig 2: View Of Fill Pipe Ground Strap, Lamp Ground Wires & Harness Ground Bolts
    GM1704587Courtesy of GENERAL MOTORS COMPANY
  9. Position the fill pipe ground strap (5) to the left rear lamp ground wire (4).
  10. 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.
  11. Insert the chassis wiring harness ground bolt.

    Tighten 

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

  12. Install the rear fuel tank. Refer to Fuel Tank Replacement (1500 LWB - 117.3L (31 gal) Tank + E85) , Fuel Tank Replacement (1500 SWB - 98.4L (26 gal) Tank) , Fuel Tank Replacement (1500 SWB - 98.4L (26 gal) Tank + E85) , Fuel Tank Replacement (2500 LWB - 4.35L (11.5 gal) Tank Rear) , Fuel Tank Replacement (1500 LWB - 117.3L (31 gal) Tank) , Fuel Tank Replacement (2500 LWB - 98.4L (26 gal) Tank Front) .
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