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kruzr1

2019 Edge ST ptu fluid service

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Has anyone with a 2019 or newer ST looked into changing the ptu fluid? I've looked under mine and can not seem to locate a drain plug. there seems to be an external pump? connected with hoses etc to the ptu. I've seen macbwt video on changing the 2019 2.0EB, my ptu setup doesn't look anything like his. I have done searches on the forums and web but not able to find anything specific to the ST. I'll probably go back under and take another look when the weather improves. Thanks in advance for any info.

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Yes I have and saw what you did. There was not much I recognized. 

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26 minutes ago, kruzr1 said:

Has anyone with a 2019 or newer ST looked into changing the ptu fluid? I've looked under mine and can not seem to locate a drain plug. there seems to be an external pump? connected with hoses etc to the ptu. I've seen macbwt video on changing the 2019 2.0EB, my ptu setup doesn't look anything like his. I have done searches on the forums and web but not able to find anything specific to the ST. I'll probably go back under and take another look when the weather improves. Thanks in advance for any info.

I'd be surprised if the ST PTU is different to the Sport PTU's, but post a photo so that we know what you're looking at.

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14 minutes ago, 1004ron said:

I'd be surprised if the ST PTU is different to the Sport PTU's, but post a photo so that we know what you're looking at.

It is. The 2019+ ST has a liquid cooled PTU. 

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1 hour ago, 1004ron said:

I'd be surprised if the ST PTU is different to the Sport PTU's, but post a photo so that we know what you're looking at.

 

1 hour ago, Fingernip said:

It is. The 2019+ ST has a liquid cooled PTU. 

 

My 2016 Sport has a liquid cooled PTU. It is cooled with Engine coolant.

 

The 2019+ has a completely different PTU because they introduced a new version that can disconnect the drive shaft to save fuel.

Edited by omar302
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You need an oil extractor, one that comes with flexible tubing, to fit in and down the fill hole. Don't forget about the differential fluid. Mine was far worse than my PTU.

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18 minutes ago, Perblue said:

You need an oil extractor, one that comes with flexible tubing, to fit in and down the fill hole. Don't forget about the differential fluid. Mine was far worse than my PTU.

Good that they introduced cooling, but a step backwards if they eliminated the drain plug.

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Was glad to clear this up a bit on the ST models.  I will try to take some pictures in a couple days when it's not raining and not working. So dajo2012 and Perblue, are you saying you changed  the fluid on a ST ptu (just wanted to clarify)?  Did you use the fill plug to empty and fill?  Any other tips would be appreciated ie what extractor you used. Thanks again for the information.

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3 hours ago, omar302 said:

 

 

My 2016 Sport has a liquid cooled PTU. It is cooled with Engine coolant.

 

The 2019+ has a completely different PTU because they introduced a new version that can disconnect the drive shaft to save fuel.

US spec? From all Fords literature the liquid cooled version was introduced in 2019... that is interesting. 

 

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37 minutes ago, Fingernip said:

US spec? From all Fords literature the liquid cooled version was introduced in 2019... that is interesting. 

 

 

Omar is located in the Middle East if I'm not mistaken.

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30 minutes ago, onyxbfly said:

 

Omar is located in the Middle East if I'm not mistaken.

That would make sense. Thanks.

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3 hours ago, kruzr1 said:

Was glad to clear this up a bit on the ST models.  I will try to take some pictures in a couple days when it's not raining and not working. So dajo2012 and Perblue, are you saying you changed  the fluid on a ST ptu (just wanted to clarify)?  Did you use the fill plug to empty and fill?  Any other tips would be appreciated ie what extractor you used. Thanks again for the information.

 

Yes I have and did. Unfortunately there is no drain plug for the ptu so you have no other choice but to suck and fill through the fill hole. Just make sure the hose gets to the bottom for sucking.

 

At least the transmission and differential has a drain and fill plug. 

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3 hours ago, Fingernip said:

US spec? From all Fords literature the liquid cooled version was introduced in 2019... that is interesting. 

 

 

We get the US Edge with some tweaks (sometimes called "Hot weather group" or High Ambient / High speed package).

 

Engine coolant components for the 2015 2.7 is attached showing the PTU cooler.

Engine Cooling - Component Location 27l.pdf

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7 hours ago, kruzr1 said:

Was glad to clear this up a bit on the ST models.  I will try to take some pictures in a couple days when it's not raining and not working. So dajo2012 and Perblue, are you saying you changed  the fluid on a ST ptu (just wanted to clarify)?  Did you use the fill plug to empty and fill?  Any other tips would be appreciated ie what extractor you used. Thanks again for the information.

I never changed mine yet. I was going to change it to shock proof but gave up, had less than 10k miles.

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5 hours ago, omar302 said:

 

We get the US Edge with some tweaks (sometimes called "Hot weather group" or High Ambient / High speed package).

 

Engine coolant components for the 2015 2.7 is attached showing the PTU cooler.

Engine Cooling - Component Location 27l.pdf

 

I wonder if those parts can be retrofitted to NA edges.....

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4 hours ago, onyxbfly said:

 

I wonder if those parts can be retrofitted to NA edges.....

 

It will probably require changing the PTU, and at that cost, I'd change the fluid at shorter intervals to protect it.

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This was the best picture I got of the liquid cooled ptu.

 

20210505_125242.jpg

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Got to wonder what those design engineers were smoking - no drain plug.

 

Add one promising feature and remove another.

 

If I owned one of those I'd have followed the DIY instructions to add a drain plug.

 

 

PTU.jpg

Edited by 1004ron
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That's why I was a little confused when I went to look for a drain plug, and there wasn't one where I was expecting to find it.  I believe the fill plug is on the back side facing rear of vehicle and not too hard to reach (forgot to take picture 🤨) But the diameter seems small and may be difficult to pull all the fluid out. The suction hose will have to be moved around to reach all fluid so not sure how difficult that would be. 

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41 minutes ago, 1004ron said:

Got to wonder what those design engineers were smoking - no drain plug.

 

Add one promising feature and remove another.

 

 

Honestly, the engineers made quite a few questionable decisions on the Edge ST's.  Had an option to trade in on one and glad I turned it down.  Between the transmission skipping gears problems that can't be tuned out and etc, I'm saving my pennies and time for an Explorer ST instead.  

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