DEALERSHIP OR SHOP FOR 10R80 TRANS FLUID CHANGE?

[1 old racer]

The aftermarket gage about 5 deg hotter then the car' s dash gauge

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[FLMustangMan]

In my experiences, dealerships have the lowest qualified people. They’ve done more harm than good in my vehicles. Not likely I’d trust them on a trans fluid, or even a basic tire install

My 2016 Camaro SS the chevy dealer rotated my staggard wheel set up by putting the rear wheels on the front! Rode strange on the way home and then I looked and notice. The dealer said they were too "busy" to correct it so I had to go to walmart and have them swtich it back and pay $15

 

[John S]

The pan gasket is a controlled compression aluminum with an imbedded O-ring, it's supposed to be reusable. Any technician "on the clock" is going to be hard pressed to to get the fill level correct in the allotted Book time, it's a pain (the catalytic is next to the fill plug dip stick) and it takes some time to do it right. It's not difficult to do it yourself but if you're not up to the challenge or don't have the means to level the car and get under it, find someone you can trust. This kind of maintenance doesn't require any special transmission training other than patience and diligence.

 

[samiamdamustangman]

My dealership said they flush it with no guarantee it will work afterwards. I wanted a new filter to know there is nothing partially clogging it. I did it myself. Its not real hard other than the mini dipstick.

 

[Strokerswild]

And to think how much easier all this would be if the A10 had a proper dipstick like they used to.....

 

[sdskinner73]

My 2016 Camaro SS the chevy dealer rotated my staggard wheel set up by putting the rear wheels on the front! Rode strange on the way home and then I looked and notice. The dealer said they were too "busy" to correct it so I had to go to walmart and have them swtich it back and pay $15

Can’t say I’m surprised. I had an ecoboost for a few years when I was engaged (kept me from spending money on the car lol). It had issues when I bought it, so I brought it right back. Mentioned the steering was making a noise I hadn’t quite identified yet, but had some idea. They insisted it was due to the rear axle needing replaced….in the rear. I asked which rear wheel drove car steers from the back. Then had to come in about a year later and the part I had mentioned needed replaced certainly now. They fought me in that then said you have an axle leak. I said check your records, you changed that and it’s covered under warranty. Lady actually argued with me that a “seep is not a leak”. I said so you’re saying a seep is just a small leak then? She eventually gave in. But I ended up speaking to the president. Shoutout to Pearson Ford in Zionsville IN. Biggest waste of space. Hopefully they level it one day.

 

[Jnaszty559]

so I just called a transmission shop , and they quoted me $560 .

 

[K4fxd]

At that price it will probably be done right

 

[Conquistador555]

Ford those considering DIY on their 10R80, the attached reference might help. It's a general guide.

This goes up to 2020 on the Mustang. Is that just the age of the document or is there any difference with the 2021?

 

[arthur6]

Every shop I've been in for the last last 20 years changes (flushes) trans fluid through the cooler lines. Dropping the pan ??

 

[K4fxd]

Every shop I've been in for the last last 20 years changes (flushes) trans fluid through the cooler lines. Dropping the pan ??

As far as I know you can't do that with a 10R80 or a 6R80. They have a thermostat that blocks fluid from going to the cooler.

 

[Skye]

This goes up to 2020 on the Mustang. Is that just the age of the document or is there any difference with the 2021?

That is due to the age of the document, which was published in June of 2020.

While the document is not detailed for later years, it provides a reference for the dipstick. Several previous threads expressed frustration with understanding what the markings meant.

The initial replacement interval in the Owners Manual is to replace the fluid at 150,000 mi / 240,000 km. But the book does not list the amount of fluid to be changed.

The on-line manual references a 10R80 capacity in 2021 of 13.4Q. But that is total capacity of the transmission, not necessarily the amount to replace in a drain/refill.

https://www.fordservicecontent.com/...a&div=f&vFilteringEnabled=False&buildtype=web

Attached and linked are references for the type of fluid to be used.

https://www.fcsdchemicalsandlubricants.com/resources/quickreferencecharts

I did some additional searching for a Ford reference and could not readily find one on-line. There are several YouTube videos which detail 10R80 service for drain, filter replace and refill.

The best reference for the fluid replacement procedure would be Ford itself. It is $30 for three days, but this will provide the reference techs use at the dealer.

If using the site, I recommend writing down topics of interest. There are countless files available for download. You're only limited by time in the amount you can save.

https://www.motorcraftservice.com/Purchase/ViewProduct

https://www.google.com/search?q=mus...HXlrBqMQrQIoAnoECC4QAw&biw=1460&bih=740&dpr=2

https://www.youtube.com/results?search_query=2021+mustang+replace+10r80+fluid+how+to

 

[horsepower addiction]

As far as I know you can't do that with a 10R80 or a 6R80. They have a thermostat that blocks fluid from going to the cooler.

Correct. The thermostat will remain closed and all the fluid will circulate through the cooler system only. The good news is that the cooler will be clean

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