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Old Sep 26, 2019 | 01:30 PM
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Trans temp

Good afternoon Gentleman. I have a question for the smarter than me men.
My trans temp runs about the same as my coolant temp, within a couple tenths. Is that normal or is there problems coming down the road. Operating temps are all good other than what I see as weird with trans temp.
 
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Old Sep 26, 2019 | 01:48 PM
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It is weird that it is that close to the coolant temp. Where are you reading the trans temp?
 
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Old Sep 26, 2019 | 01:59 PM
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I have torque Pro on a Tablet. I also have Forscan lite.
Dah. I should have checked that. Let me. check on the differences between the 2 apps..
I'll check back in on that.

What should your differences be between the ECT and Trans temp wormed up and at idle? I run about 192 at idle wormed up.
 
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Old Sep 26, 2019 | 02:00 PM
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Is your trans temp high or is your coolant temp low? If trans and coolant are both around 190, something’s up with the trans. If they’re both around 160, then something’s up with the cooling system, prob stuck open thermostat.

Or it could just be bad sensor readings.
 
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Old Sep 26, 2019 | 02:04 PM
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On Tfunks question. The Trans always follows up on what the ECT is. Never higher. It cought my attention a week or 2 ago.
 
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Old Sep 26, 2019 | 02:06 PM
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My usual readings are:

ECT 194-198
EOT 194-202
Trans 164-168 hwy and ive seen it hit 180 in town during the summer. Never ever seen above 185.

05 f350 ccsb 6.0 354km stock tranny as far as I know


 
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Old Sep 26, 2019 | 02:12 PM
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Now with info, I'm definitely curious.
I'll get out the office and I'll compare readings and go from there. Fluids are all good and like I said Deltas other than that are great. Hoping bad readings. Thanks Syphlyn for the Baseline Temps.
 
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Old Sep 26, 2019 | 02:30 PM
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Originally Posted by Visurveyor
Now with info, I'm definitely curious.
I'll get out the office and I'll compare readings and go from there. Fluids are all good and like I said Deltas other than that are great. Hoping bad readings. Thanks Syphlyn for the Baseline Temps.
Yup trans sensor is an easy replacement I think 😍
 
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Old Sep 26, 2019 | 05:21 PM
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It's the PID in Torque for trans temp. Go into Settings, then Manage Extra PIDs, then to Transmission Fluid Temperature (either method) and Edit it. Go down to OBD Header and change whatever is there (probably Auto) and change it to TCM. Save it and load that Trans Temp into your real time screens.

You now will see your actual trans temp...
 
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Old Sep 27, 2019 | 06:32 AM
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Diesel-dan.
Thanks for insite on trans paid. Worked like a champ. ECT 193. Trans temp 156. Thanks again to all that replied to my post.
 
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Old Sep 29, 2019 | 05:04 PM
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Originally Posted by diesel_dan
It's the PID in Torque for trans temp. Go into Settings, then Manage Extra PIDs, then to Transmission Fluid Temperature (either method) and Edit it. Go down to OBD Header and change whatever is there (probably Auto) and change it to TCM. Save it and load that Trans Temp into your real time screens.

You now will see your actual trans temp...
Wow thanks!
 
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