Ford 4F1Z-9034-B
Filler Neck

You should start fuel tank filler pipe servicing by hoisting the vehicle into position while in neutral gear and then disconnecting its ground cable from the battery. Drain half of the fuel tank content if your fuel tank currently contains a full supply. First separate the filler neck by removing its screws before unfastening the hose clamp and quick release coupling to achieve hose disconnection from the fuel tank tubes. The service requires you to first strip away the filler tube assembly starting with filler tube bolt removal followed by removing the filler tube itself. The installation finishes by following the steps for removal in reverse order.

The repair and servicing process of the fuel tank filler pipe begins by placing the vehicle on a hoist and setting it to neutral position before disconnecting the battery ground cable. The fuel tank should be drained until the liquid reaches halfway between its maximum and minimal levels. First you must eliminate the screws from the filler neck before releasing the fuel tube hose clamps and quick release coupling to detach the hoses from the fuel tank tubes. Complete the filler pipe assembly's removal by unbolted the filler tube bolt initially and afterwards remove the filler tube. The installation process requires following the opposite steps of removal.