So to add on to my coolant woes it appears my auxiliary radiator fan has died - the one that comes on in addition to the 'main' fan when in test mode or when the AC is on. As far as I can tell only the passenger side fan comes on when the oil is at about 205 degrees, and this secondary...
07FXT 4EAT here,
I’ve been getting huge overheating after a coolant drain and fill a few months back.
Checked it out and found cracks in the radiator.
ordered a mishimoto rad and external trans cooler.
Put them in and burped the system to get all the air out. No leaks anywhere...