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You know, we actually knew about oil breaking down with heat. Imagine that, at Ford we had data on the oil in the transmission. Testing showed that at these higher temperatures the oil could still last in excess of 100,000 miles.
On my Fusion they do not even have a drain plug. Kinda validates your point. But I go like to change the fluids. Been working I realiability too long.
You know, we actually knew about oil breaking down with heat. Imagine that, at Ford we had data on the oil in the transmission. Testing showed that at these higher temperatures the oil could still last in excess of 100,000 miles.
So, Mark, in modern transmission fluid, what is the new worry temp?
We've been taught to treat it similar to engine coolant. 240+ is bad news.
And what fluid are we talking about here? Merc V? LV?
As promised - Ft Lauderdale to Tampa - 270 miles - unloaded - Oil 205 / trans 203. Pulling 7Klb trailer back - Oil 210 / trans 205. Both were up and down a little but only a few degs
