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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 199 (Engine Control System & Fuel - 4.8L, 5.3L, 6.0L, Or 6.2L - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Tank Draining (Dual Tanks - Front) >> Procedure

Fuel Tank Draining (Dual Tanks - Front): Procedure

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    Fig 1: View Of Fuel Hoses & Clamp
    GM1704321Courtesy of GENERAL MOTORS CORP.
  1. Loosen the fuel fill cap in order to relieve the fuel tank vapor pressure.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Loosen the fuel fill hose clamp (1) at the front tank.
  4. Remove the fuel fill hose from the front tank.
  5. Insert the siphon hose from the J 45004  into the fuel tank. See Special Tools .
  6. Attach the siphon hose from the J 45004  to the pump devise hose. See Special Tools .
  7. Using a hand or air operated pump device, drain as much fuel from the tank as possible.
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