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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) >> 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.
    Fig 1: View Of Fuel Feed And Pressure Balance Lines
    GM1228187Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the fuel feed and pressure balance rear lines. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
    2. Fig 2: View Of Fuel Fill Pipe Clamp & Vent Pipe Clamp
    GM1228174Courtesy of GENERAL MOTORS CORP.
  2. Loosen the fuel fill and vent hose clamps (1, 2) at the fuel tank.
  3. Remove the fuel fill pipe and vent hose from the tank.
  4. Drain the fuel tank. Refer to Fuel Tank Draining Procedure .
    5. Fig 3: View Of Fuel Tank Sending Unit Electrical Connectors (Cab/Chassis)
    GM1238183Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the sending unit electrical connectors (1).
    6. Fig 4: View Of Fuel Feed And Return Lines At Fuel Tank (Cab/Chassis)
    GM1228206Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the fuel feed and return lines from the fuel tank. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
  7. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
    8. Fig 5: View Of Fuel Tank Shield (Cab/Chassis)
    GM877744Courtesy of GENERAL MOTORS CORP.
  8. If necessary, remove the fuel tank shield bolts.
  9. If necessary, remove the fuel tank shield.
  10. Place a suitable adjustable jack under the fuel tank.
    11. Fig 6: View Of Fuel Tank Straps (Cab/Chassis)
    GM1228169Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fuel Tank Strap Fastener Notice in Cautions and Notices.
  11. Remove the fuel tank strap bolts.
  12. Remove the fuel tank straps.
  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 lines 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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