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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1563 (Engine Control System & Fuel System - 4.3L - Repair Instructions) >> Repair Instructions >> Fuel Line Replacement - Chassis (Regular Cab) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Fuel Feed Pipe
    GM1876017Courtesy 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 (CH-48027)  or Fuel Pressure Relief (Without CH-48027) .
  2. Disconnect the engine evaporative emission (EVAP) line quick connect fitting (2) from the chassis EVAP line. Refer to Plastic Collar Quick Connect Fitting Service .
  3. Disconnect the fuel feed line (1) quick connect fitting 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. Fig 2: View Of Fuel/Evaporative Emission Pipe & Bracket
    GM1701047Courtesy of GENERAL MOTORS CORP.
  7. Remove the fuel pipe bracket nut from the bellhousing stud.
    8. Fig 3: Fuel Hose/Pipe Clip At Bracket On Automatic Transmission
    GM1855293Courtesy of GENERAL MOTORS CORP.
  8. Remove the fuel line clip (1) from the bracket on the automatic transmission.
  9. Unclip the oxygen sensor harness connector from the bracket.
  10. If equipped with 4-wheel drive (4WD), remove the fuel hose/pipe clip from the bracket on the transfer case.
    11. Fig 4: EVAP Canister Vent Solenoid Clip & EVAP Canister Vent Solenoid Pipe Clip
    GM1855649Courtesy 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 EVAP line.
    13. Fig 5: EVAP Lines
    GM1855296Courtesy of GENERAL MOTORS CORP.
  13. Disconnect the fuel tank EVAP line quick connect fitting from the chassis line. Refer to Plastic Collar Quick Connect Fitting Service .
  14. Disconnect the fuel tank fuel feed line quick connect fitting from the chassis line. 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. Unclip the inline harness connector from the bracket.
  17. Remove the fuel line bracket bolt (1).
  18. Remove the fuel/EVAP line clip nut (2).
  19. Loosen the brake pressure modulator valve (BPMV) bolts. Slide the BPMV off of the frame and reposition the BPMV without disconnecting the brake lines.
  20. Unclip the line assembly from the frame.
  21. Remove the fuel/EVAP line clips from the frame and crossmember.
  22. Remove the fuel/EVAP line assembly from the vehicle.
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