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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 Tank Replacement (Cab/Chassis - Rear) >> 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 Tank And Straps (Cab/Chassis - Rear)
    GM1228170Courtesy of GENERAL MOTORS CORP.
  1. If the fuel tank was replaced, install the sending unit. Refer to Fuel Sender Assembly Replacement .
  2. Remove the caps from the fuel lines.
  3. With the aid of an assistant, place the fuel tank on the jack.
  4. Raise the fuel tank.
  5. Install the fuel tank straps.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  6. Install the fuel tank strap bolts.

    Tighten:  Tighten the bolts to 40 N.m (30 lb ft).

  7. Remove the jack from under the fuel tank.
    8. Fig 2: View Of Fuel Tank Cover (Cab/Chassis - Rear)
    GM1228172Courtesy of GENERAL MOTORS CORP.
  8. If equipped, install the fuel tank cover.
  9. If equipped, install the fuel tank cover bolts.

    Tighten:  Tighten the bolts to 18 N.m (13 lb ft).

  10. Lower the vehicle.
    11. Fig 3: View Of Fuel Feed And Return Lines At Sending Unit (Cab/Chassis - Rear)
    GM1228193Courtesy of GENERAL MOTORS CORP.
  11. Connect the fuel feed and return lines to the sending unit. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
    12. Fig 4: View Of Sending Unit Electrical Connector (Cab/Chassis - Rear)
    GM1333147Courtesy of GENERAL MOTORS CORP.
  12. Connect the sending unit electrical connector.
    13. Fig 5: View Of Fuel Fill And Vent Hose (Cab/Chassis - Rear)
    GM1228175Courtesy of GENERAL MOTORS CORP.
  13. Install the fuel fill and vent hose to the tank.
  14. Tighten the fuel fill and vent hose clamps (1, 2) at the tank.

    Tighten:  Tighten the hose clamps to 2.5 N.m (22 lb in).

  15. Fill the fuel tank.
  16. Install the fuel fill cap.
  17. Install the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery) or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) in Engine Electrical.
  18. Using a scan tool, command the fuel transfer pump on.
  19. Prime the fuel system. Refer to Fuel System Priming .
  20. Start the engine. If the engine stalls, repeat the above step.
  21. Once the engine starts, inspect for fuel leaks.
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