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Home >> Cadillac >> 2018 >> Escalade Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Engine Controls And Fuel - 6.0L (L96) - Repair Instructions) >> Repair Instructions >> Evaporative Emission Line Replacement - Chassis >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
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: Fuel Feed Pipe, EVAP Canister Purge Tube And Quick Connect Fitting
    GM1696917Courtesy of GENERAL MOTORS COMPANY
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (CH-48027) 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. Disconnect the u-joint retainers and reposition the propeller shaft. Refer to Front Axle Propeller Shaft Replacement (NQH)Front Axle Propeller Shaft Replacement (Heavy Duty)
  7. Disconnect the heated oxygen sensor bank 1 sensor 1. Refer to Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 
  8. Remove the transfer case skid shield. Refer to Transfer Case Skid Shield Replacement
  9. Support transmission with jack stand.
  10. Remove the transmission support crossmember. Refer to Transmission Support Crossmember Replacement (2WD)Transmission Support Crossmember Replacement (4WD)
  11. Lower the transmission.
    12. Fig 2: Fuel Pipe Bracket And Nut At Bellhousing
    GM1238747Courtesy of GENERAL MOTORS COMPANY
  12. Remove the fuel pipe bracket nut.
  13. Remove the fuel pipe bracket from the bellhousing stud.
    14. Fig 3: Fuel Line Clip At Bracket
    GM1549616Courtesy of GENERAL MOTORS COMPANY
  14. Remove the fuel line clip from the bracket on the automatic transmission.
  15. Remove the fuel hose/pipe clip from the bracket on the transfer case.
    16. Fig 4: Fuel/EVAP Line Bundle And Bracket Nuts
    GM1224406Courtesy of GENERAL MOTORS COMPANY
  16. Remove the fuel line bracket nuts.
  17. Remove the fuel/EVAP line bundle.
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