Mercury 5W1Z-9002-AB Fuel Tank Assembly

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In all cases, repairs to the fuel tank or filler neck should be done by a professional who has undergone the appropriate training to carry out this crucial and potentially harmful task. Explosive fumes may still be present even after the tank has been cleaned and flushed and they could explode when it is being repaired. If the fuel tank is taken out of the vehicle, it should never be put in a place where sparks or open flames can ignite the fumes coming out from it.

Remove the electric fuel pump and sending unit electrical connector with a screwdriver. Afterward, SAE 10W-40 engine oil can be used as an assembly aid when pushing the fuel filler neck back into the tank. Installation follows the reverse of the removal process.

It is important because this work is critical and potentially dangerous.

Before beginning, relieve the fuel pressure and detach the cable from the negative terminal of the battery. Additionally, raise the vehicle and securely support it on jackstands.