avarusbrightfyre Posted April 9, 2021 Share Posted April 9, 2021 For quite a long time, I've felt like my transmission is slowly dying. Late shifts, really hard shifts, and sometimes violent, car jerking shifts are the norm from second to third and sometimes other gears. Sometimes it feels like the transmission just slams really hard into gear. I've always thought this was a computer problem, because when I've disconnected the battery and hooked it back up, it usually drives better for a while and then starts getting bad again. My understanding is that there is an "adaptive learning" thing that changes how the car shifts based on your driving habits. Still, the way the transmission shifts sometimes is really violent, so I haven't been totally sure. Lately, however, I've started driving in Sport mode at low speed, and I haven't had any issues at all. I may not have been driving that way long enough to know for sure, but it seems to shift far more smoothly in all gears. I'm guessing the more aggressive shift profile is either overriding some fault with the default Drive programming, or it's causing the transmission to shift at a different RPM and avoiding a possible mechanical problem that it runs into during normal operation. Is anyone knowledgeable about the transmission on these cars and whether I should be worried about an actual mechanical problem? I'm fine with driving in Sport mode if it's just a programming problem, but I don't want to just band aid it if it is really just covering up an underlying physical problem. 0 Quote Link to comment Share on other sites More sharing options...
bbf2530 Posted April 9, 2021 Share Posted April 9, 2021 (edited) 23 minutes ago, avarusbrightfyre said: For quite a long time, I've felt like my transmission is slowly dying. Late shifts, really hard shifts, and sometimes violent, car jerking shifts are the norm from second to third and sometimes other gears. Sometimes it feels like the transmission just slams really hard into gear. I've always thought this was a computer problem, because when I've disconnected the battery and hooked it back up, it usually drives better for a while and then starts getting bad again. My understanding is that there is an "adaptive learning" thing that changes how the car shifts based on your driving habits. Still, the way the transmission shifts sometimes is really violent, so I haven't been totally sure. Lately, however, I've started driving in Sport mode at low speed, and I haven't had any issues at all. I may not have been driving that way long enough to know for sure, but it seems to shift far more smoothly in all gears. I'm guessing the more aggressive shift profile is either overriding some fault with the default Drive programming, or it's causing the transmission to shift at a different RPM and avoiding a possible mechanical problem that it runs into during normal operation. Is anyone knowledgeable about the transmission on these cars and whether I should be worried about an actual mechanical problem? I'm fine with driving in Sport mode if it's just a programming problem, but I don't want to just band aid it if it is really just covering up an underlying physical problem. Hi avarus. More information may help. -What model year is your Fusion? -What engine? How many miles? -Still within the 3 year/36,000 mile New Vehicle Warranty, or 5 year/60,000 mile Powertrain Warranty? -Ever changed the transmission fluid? If yes, when? Get back to us with more information. Good luck. Edited April 9, 2021 by bbf2530 0 Quote Link to comment Share on other sites More sharing options...
avarusbrightfyre Posted April 10, 2021 Author Share Posted April 10, 2021 3 hours ago, bbf2530 said: Hi avarus. More information may help. -What model year is your Fusion? -What engine? How many miles? -Still within the 3 year/36,000 mile New Vehicle Warranty, or 5 year/60,000 mile Powertrain Warranty? -Ever changed the transmission fluid? If yes, when? Get back to us with more information. Good luck. It's a 2013 Fusion SE, I believe with the 2.5L. I'm just about at 90k miles. Definitely not within any warranty period. I did have the transmission fluid changed about a year ago as it started getting to the point that I was beginning to worry about damage from those super hard shifts, but it didn't seem to make any difference. 0 Quote Link to comment Share on other sites More sharing options...
andyross Posted April 10, 2021 Share Posted April 10, 2021 I thought the 6F35 issues were fixed by 2013. I have a 2011 and had the harsh 2-3 and 4-5 shift issues until the software was updated. 0 Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.