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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) >> 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.
  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 1: Fuel Bundle Nuts At Chassis (Pickup)
    GM877716Courtesy of GENERAL MOTORS CORP.
  3. Connect the chassis fuel pipes to the fuel tank pipes. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
    4. Fig 2: Fuel Feed And Return Pipes
    GM877717Courtesy of GENERAL MOTORS CORP.
  4. Install the fuel system cooler, if necessary. Refer to Fuel System Cooler Replacement (Pickup)  or Fuel System Cooler Replacement (Cab/Chassis) .
  5. Connect the fuel bundle clips (2) to the transmission brackets (1).
    6. Fig 3: Fuel Bundle Clips & Transmission Brackets
    GM737687Courtesy of GENERAL MOTORS CORP.
  6. Tighten the EBCM bracket bolts (4).

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

    7. Fig 4: View Of EBCM/EHCU Assembly
    GM379478Courtesy of GENERAL MOTORS CORP.
  7. Lower the vehicle.
  8. Install the fuel bundle bracket.
  9. Install the fuel bundle bracket nut.

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

    10. Fig 5: View Of Fuel Hose Bracket & Nut
    GM674616Courtesy of GENERAL MOTORS CORP.
  10. Connect the fuel feed and return pipes to the chassis pipes. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
  11. Purge the air from the fuel system.
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