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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 Tank Replacement (Cab/Chassis - Front) >> 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 pressure balance rear pipes. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
    2. Fig 1: Fuel Feed And Pressure Balance Rear Pipes
    GM877728Courtesy of GENERAL MOTORS CORP.
  2. Loosen the fuel fill and vent hose clamps at the fuel tank.
  3. Remove the fuel fill pipe and vent hose from the tank.
    4. Fig 2: Fuel Fill Pipe And Vent Hose (Cab/Chassis - Front)
    GM877738Courtesy of GENERAL MOTORS CORP.
  4. Drain the fuel tank. Refer to Fuel Tank Draining Procedure .
  5. Disconnect the sending unit electrical connector.
  6. Disconnect the fuel feed/return pipes from the fuel tank. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
    7. Fig 3: Fuel Feed/Return Pipes At Fuel Tank
    GM877707Courtesy of GENERAL MOTORS CORP.
  7. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  8. Remove the fuel tank shield bolts.
  9. Remove the fuel tank shield.
    10. Fig 4: Fuel Tank Shield & Bolts
    GM877744Courtesy of GENERAL MOTORS CORP.
  10. Place a suitable adjustable jack under the fuel tank.
  11. Remove the fuel tank strap bolts.
    NOTE: Refer to Fuel Tank Strap Fastener Notice in Cautions and Notices.
  12. Remove the fuel tank straps (1).
    13. Fig 5: Fuel Tank, Strap & Bolts (Cab/Chassis - Front)
    GM667731Courtesy of GENERAL MOTORS CORP.
  13. Lower the fuel tank.
  14. With the aid of an assistant, place the fuel tank in a suitable work area.
  15. Cap the fuel pipes on the vehicle in order to prevent possible fuel system contamination.
  16. If replacing the fuel tank, remove the sending unit. Refer to Fuel Sender Assembly Replacement .
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