Toyota 77001-47071 Tank Assy, Fuel

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Remove the fuel filler cap to relieve fuel tank pressure. Relieve the fuel system pressure. Disconnect the cable from the negative terminal of the auxiliary 12-volt battery. Be sure to perform the initialization procedure when reconnecting it. Siphon or pump the fuel into an approved container using a siphoning kit or hand-operated pump (available at most auto parts stores). Raise the vehicle and support it securely on jackstands. Remove the floor brace that is under the exhaust pipe. Disconnect the oxygen sensor (on some models, it will be necessary to remove the center instrument panel cover for access to the connector). Remove the front exhaust pipe. Remove the rear seat cushion. Remove the fuel system access cover in the floor. Disconnect the wiring as you lift it. Disconnect all lines that interfere with fuel tank removal. Note: Be sure to plug the hoses to prevent leakage and contamination of the fuel system. Support the fuel tank with a floor jack. Place a sturdy plank between the jack head and the fuel tank to protect the tank. Loosen the clamp and disconnect the fuel fill pipe from the tank inlet pipe. Remove the bolts from the fuel tank retaining straps and set the straps aside. Lower the tank and disconnect the fuel inlet pipe. Remove the tank from the vehicle. Installation is the reverse of removal.

Cleaning the fuel tank should be performed by a professional with the proper training to carry out this critical and potentially dangerous work.