Trans temp
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Trans temp
I am sure this has been asked but I can't find anything. For my year/model trans what is an optimal temp range. Only towed once in the flat midwest and it went from 198-205. Next month I am headed through the mountains and wondered what temps I should expect and what should start making me concerned?
Thanks in advance!
Thanks in advance!
Super Moderator
Joined: Aug 2008
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From: Frederick, MD
I have not noticed much of a difference with this trans. I think around 210 is about all I had towing in the mountains.
Engine oil temp is what you will really notice.
I have hit 248 several times. I think it derates around 252F if I recall.
That is heavy full throttle towing for several miles though.
Engine oil temp is what you will really notice.
I have hit 248 several times. I think it derates around 252F if I recall.
That is heavy full throttle towing for several miles though.
Hotshot
Joined: Oct 2006
Posts: 10,127
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From: Texas
I am sure this has been asked but I can't find anything. For my year/model trans what is an optimal temp range. Only towed once in the flat midwest and it went from 198-205. Next month I am headed through the mountains and wondered what temps I should expect and what should start making me concerned?
Thanks in advance!
Thanks in advance!
I was pulling either my 41' Raptor, or my 38' enclosed goose, and shortly decided thay the 250 gasser was overmatched, yet the teansmission temps still stayed right there!
Mountain Pass
Joined: Jan 2016
Posts: 115
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From: SE Tennessee
A few months ago, I hauled about 12k up and down a few small mountains in eastern Tennessee, the trans temp ranged up to 205F and back down to 195F and back up again, kind of like the trans has a thermostat.
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It does. Learned that when I had the transmission flushed. They had to get it to operating temps so it would open and flush the whole system.
Hotshot
Joined: Oct 2015
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From: Wyoming
You might find Ford's response to a transmission temperature question interesting: https://www.ford-trucks.com/forums/1...l#post16271365
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Senior User
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You might find Ford's response to a transmission temperature question interesting: https://www.ford-trucks.com/forums/1...l#post16271365
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Hotshot
Joined: Oct 2015
Posts: 19,676
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From: Wyoming
275° F sounds kind of high, but when I looked at the AMSOil Signature Series Multi-Vehicle Synthetic Automatic Transmission Fluid it has a flash point of 453° F. So the fluid is not going to have a problem at 275° F.
Mountain Pass
Joined: Jan 2016
Posts: 115
Likes: 3
From: SE Tennessee
You might find Ford's response to a transmission temperature question interesting: https://www.ford-trucks.com/forums/1...l#post16271365
Mountain Pass
Joined: Jan 2016
Posts: 115
Likes: 3
From: SE Tennessee
So, we all know kind of where the trans operating temp should be, but why does it take so long to get there?
I drive 17 miles to work and it may be high 170s when I get there. It seemed like My 2006 F350 6.0 trans would be at op temp by the end my 300' driveway.
I drive 17 miles to work and it may be high 170s when I get there. It seemed like My 2006 F350 6.0 trans would be at op temp by the end my 300' driveway.
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,696
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From: SE Florida
No, it would not. The stock gauge in your 2006 would read right in the middle of normal once the trans got all the way up to 50F. It might take another 20 miles to get to 170F, but the gauge won't move from it's middle of the reading spot until you hit 230F.
Mountain Pass
Joined: Jan 2016
Posts: 115
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From: SE Tennessee
Ok, since you seem to be in the know, does the fact that it takes so long to reach op temp hurt the transmission to drive at interstate speed before it warns up? I have 4 miles of 45 mph driving (coolant temp in op band by then but trans temp is maybe 125F), then on the interstate for 12 miles at 70 mph.