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Transmission fluid change interval?


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28 minutes ago, bruker said:

Thanks for your reply atulo. What does Ford recommend?

Normal operating conditions? 150,000 miles(!?!?!?!?!)

Towing, using a car top carrier, extensive idling, low speed driving, sandy or dusty conditions? every 30,000 miles

 

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The 2.0 is known to be hard on the trans fluid, so refreshing it on the early side seems like a good call.  I try to live by the motto - It is cheaper to replace the fluid than the part.  In this specific case - a lot cheaper.

Edited by TourGuide
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Do you have an extended warranty? Having worked in an auto repair facility, I have seen too many cases where we would refuse to change the ATF (we did not have the flush machine) because of the interval between changes. I am old school. I changed the engine oil at 1K and transmission fluid at 15K. I would have changed the rear differential at 5K, but my Edge is FWD, and I bought the extended warranty. 

 

 

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It has 75,000 miles on it and the transmission fluid's never been changed. Just normal driving but mostly interstate so haven't been rough on it. Lately I've noticed a slight hunting, jerking, stuttering, whatever you want to call it at low speeds (under 40mph) but only when the transmission isn't up to temperature. Once it warms up it's fine. It's going into the local garage next week for a drain and fill so hopefully that will help.

 

Watched some videos on YT and a few of them added Instant Shudder Fix. Not planning to add it unless someone here has had some experience with it.  

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I have never believed that changing tranny fluid on a high mileage vehicle

would cause slippage. The normal reason the customer would change the fluid, was

because of problems to begin with. (on high mileage transmission)

 

Fresh fluid will not hurt the bands, clutches,steels or seals. Nor will it "wash" the friction material

off the clutches or bands too. Most people have no idea what is inside anyway!

 

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Had it in the garage for a drain and fill yesterday. Didn't get the bill yet so not sure how much they were able to replace. Drove it today and the hunting, jerking, stuttering that I mentioned above is gone. I'll let you know what they did when I can. 

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If you've only done 1 drain & fill, you'd probably want to do 2 more. Someone did the math & (I could be wrong) but doing a drain & fill, drive around for 15-20 minutes & repeat 2 more times gets ~70-80% of the old fluid out. Especially if you're ~75,000. I've done our 2020 2.0 once already & it's at 38,000 & I've done our 2016 2.0 twice & it's at 80,000. 

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  • 2 weeks later...
1 hour ago, bruker said:

How many quarts does it hold?

11.62 Qts (11L) (8F35)
12.15 Qts (11.5L) (8F57) - ST

 

The rest of the fluid will remain inside of the torque converter, transmission internal passages, and cooler lines.

 

On 7/28/2025 at 11:37 AM, bruker said:

What does Ford recommend?


The owner’s manual states to change the automatic transmission fluid every 150,000 miles.
 

However, if you operate your vehicle primarily under the following conditions, additional maintenance is required. Change the transmission fluid every 30,000 miles: Towing a trailer or using a car-top carrier, extensive idling or low-speed driving for long distances, as in heavy commercial use (such as delivery, taxi, patrol car or livery), and operating in dusty or sandy conditions (such as dusty or unpaved roads).

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2 hours ago, bruker said:

Got the bill and they charged me for 4.5 quarts of ULV. How many quarts does it hold?

 

The trans shifts fine without any issues. 

In that case they did only one drain-fill which isn't worth much - most would do at least 3 drain-fill and even then, its only about 60 - 80% replaced.

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