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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 - Front) >> 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. If the fuel tank was replaced, install the sending unit. Refer to Fuel Sender Assembly Replacement .
    Fig 1: View Of Fuel Tank Straps (Cab/Chassis)
    GM1228169Courtesy of GENERAL MOTORS CORP.
  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 Shield (Cab/Chassis)
    GM877744Courtesy of GENERAL MOTORS CORP.
  8. If necessary, install the fuel tank shield.
  9. If necessary, install the fuel tank shield 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 Fuel Tank (Cab/Chassis)
    GM1228206Courtesy of GENERAL MOTORS CORP.
  11. Connect the fuel feed and return lines at the fuel tank. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
    12. Fig 4: View Of Fuel Tank Sending Unit Electrical Connectors (Cab/Chassis)
    GM1238183Courtesy of GENERAL MOTORS CORP.
  12. Connect the sending unit electrical connectors (1).
    13. Fig 5: View Of Fuel Fill Pipe Clamp & Vent Pipe Clamp
    GM1228174Courtesy of GENERAL MOTORS CORP.
  13. Install the fuel fill pipe and vent hose to the tank.
  14. Tighten the fuel fill and vent hose clamps (1, 2) at the fuel tank.

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

    15. Fig 6: View Of Fuel Feed And Pressure Balance Lines
    GM1228187Courtesy of GENERAL MOTORS CORP.
  15. Connect the fuel feed and pressure balance rear lines. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
  16. Fill the fuel tank.
  17. Install the fuel fill cap.
  18. Connect 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.
  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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