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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1311 (Engine Controls And Fuel - 4.8L, 5.3L, 6.0L, 6.2L - Introduction (1 Of 2)) >> Repair Instructions >> Evaporative Emission Line Replacement - Chassis (1500 Extended/Crew Cab) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of EVAP Canister Purge Tube & Quick Connect Fitting
    GM1696917Courtesy of GENERAL MOTORS CORP.
    NOTE: Clean all fuel and evaporative emission (EVAP) lines connections and surrounding areas prior to disconnecting the lines in order to avoid possible fuel and/or EVAP system contamination.
  1. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief (With CH-48027) or Fuel Pressure Relief (Without CH-48027) .
  2. Disconnect the engine evaporative emission (EVAP) line (1) quick connect fitting from the chassis EVAP line. Refer to Plastic Collar Quick Connect Fitting Service .
  3. Disconnect the fuel feed line quick connect fitting (2) from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
  4. Cap the fuel rail and EVAP pipes.
  5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  6. Unbolt and reposition the front propeller shaft, if required. Refer to Front Propeller Shaft Replacement .
  7. Unbolt and reposition the brake pressure modulator valve (BPMV). Refer to Brake Pressure Modulator Valve Replacement .
    8. Fig 2: View Of Fuel/Evaporative Emission Pipe & Bracket
    GM1701047Courtesy of GENERAL MOTORS CORP.
  8. Remove the fuel pipe bracket nut from the bellhousing stud.
    9. Fig 3: Identifying Fuel Hose/Pipe Clip At Bracket On Transfer Case
    GM1855293Courtesy of GENERAL MOTORS CORP.
  9. Remove the fuel line clip (1) from the bracket on the automatic transmission.
  10. If equipped with 4-wheel drive (4WD), remove the fuel hose/pipe clip from the bracket on the transfer case.
    11. Fig 4: View Of EVAP Canister Vent Solenoid Clip & EVAP Canister Vent Solenoid Pipe Clip
    GM1855664Courtesy of GENERAL MOTORS CORP.
  11. Remove the EVAP canister vent solenoid clip (1) from the chassis EVAP line and secure out of the way.
  12. Remove the EVAP canister vent solenoid pipe clip (2) from the chassis line.
    13. Fig 5: View Of EVAP Lines
    GM1855297Courtesy of GENERAL MOTORS CORP.
  13. Disconnect the fuel tank fuel feed line quick connect fitting from the chassis line. Refer to Plastic Collar Quick Connect Fitting Service .
  14. Disconnect the chassis EVAP line quick connect fitting from the EVAP canister. Refer to Plastic Collar Quick Connect Fitting Service .
  15. Cap the fuel and EVAP lines in order to prevent possible fuel and/or EVAP system contamination.
  16. Remove the fuel line bracket bolt (1).
  17. Remove the fuel/EVAP line clip nut (2).
  18. Remove the fuel/EVAP line clips from the frame and crossmember.
  19. Remove the fuel/EVAP line assembly from the vehicle.
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