For automatics, there is no manufacturer defined change interval. If you drive in dirty conditions a lot, you might want to change it every 80k miles. Under normal conditions you may not want to ever change it. There are echo's on the road with 400,000 miles that have never had a Transmission Fluid change.
check the manual.
it has to be pumped into the bottom of the transmission
Remove transmission oil pan to access fluid and filter
How can i change transmission fluid on 2003 f 35
Remove transmission oil pan
In any automatic transmission the fluid should be changed at the interval specified by the manufacturer. You should have the transmission oil filter replaced also at this time. Many shops will just suck out the old fluid and replace it with new without replacing the oil filter.
How often to change atomatic transmission fliud in a 2003 grande am gt 3.4 liter
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.
every 100k when using AMSOIL Synthetic Universal Transmission Fluid
Fluid needed after filter change is normally about five quarts.
Drop lower transmission pan Oil will run out Change filter and gasket
http://groups.msn.com/Sorensonbrian/atfchange.msnw