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Home >> Cadillac >> 2010 >> Escalade EXT >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System & Fuel System - 5.3L, 6.0L, 6.2L - Repair Instructions >> Repair Instructions >> Fuel Line Replacement - Chassis (2500 Series) >> Removal Procedure

Removal Procedure

NOTE: Clean all fuel and evaporative emission (EVAP) line connections and surrounding areas prior to disconnecting the lines in order to avoid possible fuel and/or EVAP system contamination.
    Fig 1: View Of EVAP Canister Purge Tube & Quick Connect Fitting
    GM1696917Courtesy of GENERAL MOTORS CORP.
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (CH-48027)  or Fuel Pressure Relief (Without CH-48027) .
  2. Disconnect the fuel feed pipe (2) quick connect fitting at the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
  3. Disconnect the EVAP line (1) quick connect fitting from the chassis line. Refer to Plastic Collar Quick Connect Fitting Service .
  4. Cap the fuel rail and EVAP line in order to prevent fuel/EVAP system contamination.
  5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
    6. Fig 2: View Of Fuel Pipe Bracket & Nut At Bellhousing
    GM1238747Courtesy of GENERAL MOTORS CORP.
  6. Remove the fuel pipe bracket nut.
  7. Remove the fuel pipe bracket from the bellhousing stud.
    8. Fig 3: View Of Fuel Line Clip At Bracket
    GM1549616Courtesy of GENERAL MOTORS CORP.
  8. Remove the fuel line clip from the bracket on the automatic transmission.
  9. If equipped with 4-wheel drive (4WD), remove the fuel hose/pipe clip from the bracket on the transfer case.
    10. Fig 4: View Of Fuel/EVAP Line Bundle
    GM1224406Courtesy of GENERAL MOTORS CORP.
  10. Remove the fuel line bracket nuts.
  11. Remove the fuel/EVAP line bundle.
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