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Home >> Chevrolet >> 2018 >> Suburban 3500 HD LT >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Engine Controls And Fuel - 5.3L (L83) Or 6.2L (L86) - Repair Instructions) >> Repair Instructions >> Fuel Feed And Evaporative Emission Hose Replacement >> Removal Procedure

Removal Procedure

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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.

  1. Lower the transmission enough to access the upper line fasteners and retainers. Transmission Replacement , for the 6L80 or Transmission Replacement for the 8L90.
    2. Fig 1: Fuel Feed And EVAP Hose Nut
    GM3273722Courtesy of GENERAL MOTORS COMPANY
  2. Remove the fuel feed and EVAP hose nut (1).
  3. Disconnect the fuel hose (2) from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
  4. Disconnect the EVAP hose (3) from the EVAP canister purge tube. Refer to Plastic Collar Quick Connect Fitting Service .
  5. Remove the fuel feed and EVAP hose (4) from the retainers.
    6. Fig 2: EVAP hose
    GM3637262Courtesy of GENERAL MOTORS COMPANY
  6. Disconnect the EVAP hose (1) from the EVAP pipe. Refer to Plastic Collar Quick Connect Fitting Service .
  7. Disconnect the fuel hose (2) from the fuel pipe. Refer to Plastic Collar Quick Connect Fitting Service .
  8. Disconnect the fuel pressure sensor electrical connector.
  9. Remove the fuel feed and EVAP hose (3) from the retainers and remove from vehicle.
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