Originally Posted by NCHornet
The "normal" range is 70-90 above ambient, so if temps where you at are in the 30's - 50's this is about right. The lower side (70) for unloaded conditions and the upper (90) when towing heavy. Ford doesn't consider anything under 230 abnormal, but my rule anything sustained over 200 needs more cooling. Remember you are heating up close to 5 gal's of ATF, this isn't going to happen in a 5 mile trip. It takes mine about 20 min before it is all warmed up. I always recommend gauges that start at 100, but 125 is just fine. With a real gauge you will now see why the factory unit is such a piece of garbage.
I too was worried about my trans temp as I was/am considering installing an add on trans cooler for my 2000X, but my readings (on newly installed full sweep autometer trans temp gauge) here in Central Oregon have been not higher then 125 and that is after going up some decent hills and such, but the temps have also been from 10-50 so what you are saying lets me know the guage is working and I am just running nice and cool
We will see what it reads when I get down to CA next week?
Strandard Reading of my trans during the winter: