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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls - 8.1L - Introduction (2 Of 2)) >> Repair Instructions >> Evaporative Emission (EVAP) Hoses/Pipes Replacement - Engine/Chassis (Pickup) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: Clean the fuel and evaporative emission (EVAP) connections and surrounding areas prior to disconnecting the lines in order to avoid possible system contamination.
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .
  2. Disconnect the fuel feed line (1) at the engine. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
    Fig 1: View Of Fuel Feed Pipe & EVAP Canister Purge Pipe
    GM1238587Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the EVAP canister purge tube line (2).
  4. Cap the fuel rail in order to avoid possible system contamination.
  5. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  6. Remove the fuel pipe bracket nut.
  7. Remove the fuel pipe bracket from the bellhousing stud.
    Fig 2: View Of Fuel Pipe Bracket & Nut At Bellhousing
    GM1238747Courtesy of GENERAL MOTORS CORP.
  8. Remove the fuel line clip from the bracket on the transmission.
    Fig 3: Disconnecting Fuel Line Clip From Bracket On Transmission
    GM1549622Courtesy of GENERAL MOTORS CORP.
  9. If equipped with 4-wheel drive (4WD), remove the fuel line clip from the bracket on the transfer case.
  10. Disconnect the fuel and EVAP quick connect fittings. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
    Fig 4: Fuel And EVAP Lines At The Fuel Tank
    GM1238591Courtesy of GENERAL MOTORS CORP.
  11. Cap the fuel and EVAP lines at the fuel tank in order to avoid possible system contamination.
  12. Remove the fuel and EVAP bundle nuts.
    Fig 5: Removing Fuel And EVAP Bundle
    GM1228114Courtesy of GENERAL MOTORS CORP.
  13. Remove the fuel and EVAP bundle.