Only enough to reach the full mark on the dipstick.
Generally that would mean about 4-6 qts on the Continental.
Pressure test system to try to determine origination of leak
Yes, and mechanic can change your fluid.
Fluid needed after filter change is normally about five quarts.
very carefully ^_^
According to the 1997 Lincoln Town Car Owner Guide : ( DOT 3 brake fluid , meeting Ford specification ESA-M6C25-A )
14qts. but this is when transmission is completely empty and dry. Usually, you change the fluid by dropping a pan. In this way you can change only about 5qts.
The transmission fluid on a 2003 Lincoln Aviator is changed by placing a drain pan under the transmission and removing the drain plug. Once empty, the plug can then be re-installed and filled with new transmission fluid.
You should always change the transmission fluid according to the vehicle manufacturer's recommendations. However, it is perfectly fine to add fluid as needed between changes.
5litres
You have to drop the whole transmission pan, then refill from the transmission dipstick
Remove transmission oil pan if no drain plug
Fluid and filter change should require 5-6 quarts.