Hi, i have a 2012 tl 3.5, with 110k, starting to shift a little rough. Not sure if trans has ever been serviced. Should I go ahead and do a trans flush with the acura atf dw1?

 

trans drain and refill yes.

 

Do yourself a favor and buy a case of DW1 ATF from a honda dealer, I got mine from Bernardi acura around $7/quart plus shipping: Look into the 3x3 method to change the trans fluid, you'll end up using about 3.5L of fluid each time depending on how long you let it drain for.

https://acura.bernardiparts.com/Acur...RANSFLUID.aspx

 

That’s exactly what i ordered will look into the 3x3 method thanks

 

Can't hurt to replace the inline ATF filter as well, located under the battery tray. I suggest buying OEM from actual dealer and not Amazon, eBay, etc.

Good luck!