Transmission Temperature
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Logistics Pro
Joined: Nov 2001
Posts: 3,787
Likes: 102
From: Georgia
Transmission Temperature
My tranny temp seems to be a good bit higher than either of my previous trucks. I haven't towed yet but the temp was showing 205 degrees today during a routine unloaded trip. Is that normal?
Fleet Mechanic
Joined: Jun 2009
Posts: 1,346
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From: Connecticut
Cant say for sure but I believe in the summer in temps in the 90s towing my 14k fiver my trans temp was max 205-210.Ill have to keep an eye on my edge cts tomorrow to see what my unloaded temp is but I THINK its less then 205.Just noticed yours is a dually so maybe it runs slightly hotter then my srw.
Fleet Mechanic
Joined: Jun 2011
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From: Annandale, VA
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Laughing Gas
Joined: Feb 2007
Posts: 950
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From: Waco, Texas
My normal oil temp, unloaded, runs 195-201, I am out camping right now and just pulled my 10k 5er about 250 miles, ambient temp was 65, and the TFT stayed in the 205-214 range depending on the hills pulled. I have seen TFT's unloaded on I-35 unloaded with ambient at 70 running in the 205 range when running about an hour or a bit more, I never thought to much about.
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Logistics Pro
Joined: Nov 2001
Posts: 3,787
Likes: 102
From: Georgia
Thank y'all. I'm in fort myers and it was low 80s yesterday. Wonder what it's going up to when I pull Mount Eagle Tn or some of the passes out west next summer. My 7.3L and 6.4L stayed around 170 even towing except for hard pulls when they would get to 195 or a little more.
Super Moderator
Joined: Aug 2008
Posts: 37,375
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From: Frederick, MD
good question on the summer temps. I did a run out to western MD back in Sept but didn't know how to monitor that. Lots of grades there all the way to OH.
Might be doing another Ohio meet soon so I might find out then.
Might be doing another Ohio meet soon so I might find out then.
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Joined: Aug 2003
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From: Isanti, MN
I'd be surprised if you saw 220° pulling your trailer up that grade.
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Logistics Pro
Joined: Nov 2001
Posts: 3,787
Likes: 102
From: Georgia
You will have no trouble up Monteagle. The transmission has a thermostat which maintains temperature just like your engine. As tranny temps get hot the thermostat opens and provides more cooling to the transmission.
I'd be surprised if you saw 220° pulling your trailer up that grade.
I'd be surprised if you saw 220° pulling your trailer up that grade.
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Logistics Pro
Joined: Nov 2001
Posts: 3,787
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From: Georgia
Thanks, I haven't gotten that far in the manual yet. Still trying to figure out the voice thing.
Junior User
Joined: Sep 2013
Posts: 61
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From: Upstate SC
This is good to know. I was thinking of having mine done soon. Will wait a bit.