High transmission temperature?

Tiny
AHMED AL ZAABI
  • MEMBER
  • 2016 FORD F-150
  • 6 CYL
  • 180,000 MILES
The transmission temperature goes highly after the speed of 100 mils.
I have installed a transmission cooler to avoid this issue.

Temperature goes down fast if I reduce speed below 100 mils after installing the transmission cooler.

When speed above 100 mils the RPM goes highly and the temperature of transmission only goes highly.
Friday, March 27th, 2020 AT 8:28 AM

5 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Hi,

Do you mean 100 miles per hour? If that is the case, how high are the RPM's? For you to drive over that speed in this vehicle will cause it to overheat.

You also mentioned about the RPM's. Is the transmission slipping? That will cause it to overheat and the RPM's to go high.

Let me know.
Joe
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Friday, March 27th, 2020 AT 7:21 PM
Tiny
AHMED AL ZAABI
  • MEMBER
  • 4 POSTS
The transmission not slipping.
Shifting smooth.
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Saturday, March 28th, 2020 AT 8:32 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Hi,

Okay. Am I correct related to the speeds you drive it? (in excess of 100 MPH)?

Also, have you checked for diagnostic trouble codes? Here is a quick video that shows how it's done:

https://youtu.be/YV3TRZwer8k

I realize most people don't own a scanner, but since this is happening, I feel it is a good idea to at least check for transmission related codes.

If the transmission isn't slipping and is shifting properly, it may simply be the result of running at a very high speed.

Joe
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Saturday, March 28th, 2020 AT 4:10 PM
Tiny
AHMED AL ZAABI
  • MEMBER
  • 4 POSTS
  • 2016 FORD F-150
  • 6 CYL
  • 4WD
  • 180,000 MILES
I have installed a transmission cooler to avoid this issue.

Temperature goes down fast if I reduce speed below 100 mils after installing the transmission cooler.

When speed above 100 mils the RPM goes highly and the temperature of transmission only goes highly.
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Tuesday, March 23rd, 2021 AT 9:35 AM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

Do you mean 100 MPH?

I would start by changing the fluid land the filter. If it is overheating, that is no good for the fluid. It will turn color and cause clutch damage inside the transmission.

https://www.2carpros.com/articles/automatic-transmission-problems

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission

Are there any codes sent to the TCM?

Roy
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Tuesday, March 23rd, 2021 AT 9:35 AM (Merged)

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