CCoutdoors
Member
Hi all - been a lurker for a bit, enjoying the forum and knowledge others have.
I have a newer to me 16' Expedition XLT 4x4 for 2 months now, 110k miles. So far I've replaced plugs, drilled weep hole (one or both fixed high rpm shudder), did 1 drain and fill with filter replacement on trans, and changed oil. Enjoying the rig, runs well and shifts well.
My observation and question: I've noticed my warmed up Expedition trans temps during the 100* days anywhere between 200* and 225* (highway doing 85+ mph). If I drop it down to 75 the temps seem to stay near 215*. I've read many threads regarding the 6R80, how it can handle higher temps, and one transmission engineer stating 225* all day long is fine, 250* is cause for concern and only for short period of time.
My question: I have a week before leaving on a work trip 6+ hours each way in 100* heat (not towing anything) with large hills. My rig does NOT have a trans cooler, but has the clips to install one. In your opinion and if this was your rig, should I rush to get one installed before the trip or am I over concerned/overthinking higher prolonged temps on my trans? Highway speed limit is 80 mph to my location just fyi, would prefer to do 85 but not if it leads to unnecessarily higher temps for a prolonged time. Goal is to not replace/rebuild trans sooner than I have to.
Appreciate your opinions/experiences.
I have a newer to me 16' Expedition XLT 4x4 for 2 months now, 110k miles. So far I've replaced plugs, drilled weep hole (one or both fixed high rpm shudder), did 1 drain and fill with filter replacement on trans, and changed oil. Enjoying the rig, runs well and shifts well.
My observation and question: I've noticed my warmed up Expedition trans temps during the 100* days anywhere between 200* and 225* (highway doing 85+ mph). If I drop it down to 75 the temps seem to stay near 215*. I've read many threads regarding the 6R80, how it can handle higher temps, and one transmission engineer stating 225* all day long is fine, 250* is cause for concern and only for short period of time.
My question: I have a week before leaving on a work trip 6+ hours each way in 100* heat (not towing anything) with large hills. My rig does NOT have a trans cooler, but has the clips to install one. In your opinion and if this was your rig, should I rush to get one installed before the trip or am I over concerned/overthinking higher prolonged temps on my trans? Highway speed limit is 80 mph to my location just fyi, would prefer to do 85 but not if it leads to unnecessarily higher temps for a prolonged time. Goal is to not replace/rebuild trans sooner than I have to.
Appreciate your opinions/experiences.