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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 976 (Engine Controls - 6.6L (Lb7) (Introduction)) >> Repair Instructions >> Fuel Hose/Pipes Replacement - Chassis (Pickup) >> 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.
  1. Disconnect the fuel feed and return pipes from the chassis pipes. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
  2. Remove the fuel bundle bracket nut.
    3. Fig 1: View Of Fuel Hose Bracket & Nut
    GM674616Courtesy of GENERAL MOTORS CORP.
  3. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Remove the fuel bundle clips (2) from the transmission brackets (1).
    5. Fig 2: Fuel Bundle Clips & Transmission Brackets
    GM737687Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the chassis harness from the retaining clips.
  6. Remove the fuel system cooler, if necessary. Refer to Fuel System Cooler Replacement (Pickup)  or Fuel System Cooler Replacement (Cab/Chassis) .
  7. Disconnect the chassis fuel pipes from the fuel tank pipes. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
    8. Fig 3: Fuel Feed And Return Pipes
    GM877717Courtesy of GENERAL MOTORS CORP.
  8. Remove the fuel bundle nuts from the chassis.
    9. Fig 4: Fuel Bundle Nuts At Chassis (Pickup)
    GM877716Courtesy of GENERAL MOTORS CORP.
  9. Loosen the electronic brake control module (EBCM) bracket bolts (4).
  10. Allow the EBCM to remain loose in order to allow fuel pipe clearance.
  11. Remove the fuel bundle using the following procedure:
    1. Guide the fuel bundle (2) pipes towards the rear of vehicle to clear the engine.
    2. Lower the fuel bundle while moving it foreword and out.
    12. Fig 5: View Of EBCM/EHCU Assembly
    GM379478Courtesy of GENERAL MOTORS CORP.
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