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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 977 (Engine Controls - 6.6L (LLY) (Introduction)) >> Repair Instructions >> Fuel Hose/Pipes Replacement - Chassis (Pickup) >> Installation Procedure

Installation 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 Bundle Nuts From At The Chassis
    GM1228119Courtesy of GENERAL MOTORS CORP.
  1. Install the fuel pipe bundle using the following procedure:
    1. Install the fuel bundle to the chassis by guiding the pipes towards the rear of vehicle.
    2. Lift the fuel pipes, while guiding the forward portion of the pipes up towards the engine connections.
      NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the fuel bundle nuts to the chassis.

    Tighten:  Tighten the nuts to 16 N.m (12 lb ft).

    3. Fig 2: View Of Fuel Feed And Return Lines At Fuel Tank (Pickup)
    GM1228124Courtesy of GENERAL MOTORS CORP.
  3. Connect the fuel feed and return lines to the fuel tank lines. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  4. Install the fuel system cooler, if necessary. Refer to Fuel System Cooler Replacement (Pickup)  or Fuel System Cooler Replacement (Cab/Chassis) .
    5. Fig 3: View Of Fuel Bundle Clips At Transmission Bracket
    GM737687Courtesy of GENERAL MOTORS CORP.
  5. Connect the fuel bundle clips (2) to the transmission brackets (1).
    6. Fig 4: View Of EBCM/EHCU Assembly
    GM379478Courtesy of GENERAL MOTORS CORP.
  6. Tighten the EBCM bracket bolts (4).

    Tighten:  Tighten the bolts to 25 N.m (18 lb ft).

  7. Lower the vehicle.
    8. Fig 5: View Of Fuel Line Bracket & Nut
    GM1378748Courtesy of GENERAL MOTORS CORP.
  8. Install the fuel line bracket to the stud.
  9. Install the fuel line bracket nut.

    Tighten:  Tighten the nut to 16 N.m (12 lb ft).

  10. Connect the fuel feed and return lines. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
  11. Prime the fuel system. Refer to Fuel System Priming .
  12. Start the engine. If the engine stalls, repeat the above step.
  13. Once the engine starts, inspect for fuel leaks.
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