Ford XC3Z-7B155-CA Filter Assembly - Oil

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Ensure the gasket surface on the transmission pan is clean, and then install a new gasket. Put the pan in place against the transmission and install the bolts. When tightening the bolts, work around the pan, and tighten each bolt a little at a time. Be cautious not to overtighten the bolts.

Lower the vehicle and add about four or five pints of automatic transmission fluid through the filler tube. With the transmission in Park and the parking brake set, run the engine at a fast idle. Move the gear selector through each range and back to Park. Check the fluid level and add fluid if needed to reach the correct level.

Check under the vehicle for leaks during the first few trips.

Remove the pan bolts, ensuring not to damage the gasket surfaces. Thoroughly clean the transmission's gasket surface, clean and dry the pan, and replace the old filter. Install a new seal and filter, apply a new gasket to the clean pan surface, attach the pan to the transmission, and tighten the bolts gradually.

With the drain pan in place, begin by removing the front and side transmission pan mounting bolts. For E40D transmission-equipped vehicles, you may need to disconnect the digital range sensor connector. Loosen the rear pan bolts approximately four turns. Carefully use a screwdriver to pry the transmission pan loose, allowing the fluid to drain. Ensure you don't damage the pan or transmission gasket surfaces, as this could lead to leaks. Finally, remove the remaining bolts, the pan, and the gasket.

To remove the old filter, simply detach it from the transmission. If the filter seal did not come out with the filter, it should be removed from the transmission carefully without gouging the seal bore in any way.