Dealership did a transmission flush and now having issues at highway speeds

[Mylife98]

Same same. Dealer massively overfilled. No issue until I was running 80mph, overheated, trans fluid all over the underside, burning oil smell, took it to a different local dealer as was out of town, he sucked out another half? gallon and only then was it here, at apparently the right level ‘B’.

Damage was done by that point. Trans lasted another 500 miles, then 5 and 7 would ‘slip’. Original dealer took full responsibility, rebuilt the transmission, tech noted on the ticket ‘parts were blue, badly overheated’

 

[MiRhodes]

Did you take it to a dealer or a random shop?

It is back at the Ford dealership now. Of course, the service department said "I know we put the right amount of fluid in it"

I got a call on day three saying that they want to change the filter and pan gasket as they found it leaking (Face palm)

Then got a call today (day 5) saying that they measured the level and it is 3.5 quarts low. I asked how this could be as it was just services by them 100 miles ago. He told me that "These transmissions rarely last 100K miles without issues" I am beyond livid but letting this play out and then bringing in the dealership management team when they try to stick me with a transmission rebuild