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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 951 (Engine Controls - 6.6L (LLY) (Introduction)) >> Repair Instructions >> Fuel Hose/Pipes Replacement - Chassis (Cab/Chassis) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Fuel Line Bracket & Nut
    GM1378748Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the fuel feed and return lines. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
  2. Remove the fuel line bracket nut.
  3. Remove the fuel line bracket from the stud.
  4. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
    5. Fig 2: View Of Fuel Bundle Clips At Transmission Bracket
    GM737687Courtesy of GENERAL MOTORS CORP.
  5. Remove the fuel bundle clips (2) from the transmission brackets (1).
  6. Disconnect the chassis harness from the retaining clips.
  7. Remove the fuel system cooler, if necessary. Refer to Fuel System Cooler Replacement (Pickup)  or Fuel System Cooler Replacement (Cab/Chassis) .
    8. Fig 3: View Of Fuel Feed And Return Lines At Fuel Tank (Cab/Chassis)
    GM1228124Courtesy of GENERAL MOTORS CORP.
  8. Disconnect the fuel feed and return lines from the fuel tank lines. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
    9. Fig 4: View Of Fuel Pipe Bundle (Cab/Chassis)
    GM1228212Courtesy of GENERAL MOTORS CORP.
  9. Remove the fuel bundle nuts from the chassis.
    10. Fig 5: View Of EBCM/EHCU Assembly
    GM379478Courtesy of GENERAL MOTORS CORP.
  10. Loosen the electronic brake control module (EBCM) bracket bolts (4).
  11. Allow the EBCM to remain loose in order to allow fuel pipe clearance.
  12. Remove the fuel bundle using the following procedure:
    1. Guide the fuel bundle pipes towards the rear of vehicle to clear the engine.
    2. Lower the fuel bundle while moving it foreword and out.
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