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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1843 (Engine Controls And Fuel - 3.5L (L66) - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Tank Draining >> On The Hoist

On The Hoist

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Fuel Tank Drain Hose
    GM1397855Courtesy of GENERAL MOTORS CORP.
    CAUTION: Fuel supply lines will remain pressurized for long periods of time after the engine is shutdown. This pressure must be relieved before servicing the fuel system.
  1. Connect the scan tool to the vehicle diagnostic connector and turn the ignition ON.
  2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  3. CAUTION: Ensure that the vehicle is properly supported and squarely positioned. To help avoid personal injury when a vehicle is on a hoist, provide additional support for the vehicle on the opposite end from which the components are being removed.
  4. Raise the vehicle on a hoist to a comfortable working height, keeping the scan tool outside of the vehicle and accessible from under the car.
  5. Fig 2: Installing Quick Connect Fitting & Drain Hose To Fuel Feed Line
    GM871797Courtesy of GENERAL MOTORS CORP.
    CAUTION: Whenever fuel line fittings are loosened or removed, wrap a shop cloth around the fitting and have an approved container available to collect any fuel.
  6. Disconnect the chassis fuel feed line at fuel tank.
  7. Install the 3/8 inch x 1/4 inch quick connect (1) adapter from the SA9127E  onto the fuel feed line.
  8. Connect a suitable drain hose to the other end of the adapter, and connect the drain hose to a certified fuel handling cart.
  9. Energize the fuel pump using the scan tool. Refer to Fuel System Diagnosis .
  10. Pump out the fuel until no more than 1/4 tank remains.