[mikedavids226]

What's going on everyone? I have a 2013 Hyundai Genesis Coupe 2.0T A/T (A8LR1) and it's got that beautiful transmission problem. I've had the tranny replaced once before by Hyundai at 70K miles. The car is now at 140K miles and it's the same thing all over again. It seems to have a lifespan of 70K miles or maybe it's just my driving. The first time Hyundai replaced it they called it a "transmission flare". It shifts hard from 1st to 2nd, 2nd to 3rd, etc. The RPM's climb before the trans finally catches up and that's when it jerks hard.

I currently have the motor pulled as I'm working on building the bottom end and thought it would be a good time to try and fix it myself if possible. I know this is common and I'm wondering if anyone knows what the actual physical problem is inside of the transmission causing this and how it can be fixed. I couldn't find any good posts about this. I'm reading that it could be a pressure issue and maybe the valve body needs to be replaced/refurbished. I'm assuming I need a scan tool that can access the TCU though.

 

[1propanepaul1]

You've perfectly described my transmission problem. I've got the ZF-6HP transmission in my 2011 3.8 Track.
ZF-6HP's are also used in some BMW's........and I found this!!!!

BMW Transmission Solenoid Replacement - ZF 6HP-19X Six Speed Trans.

BMW transmission solenoid replacement | ZF 6HP-19X six speed transmssion | Cure high RPM gear change slips, erratic shifting and transmission knock.

bmwrepairguide.com

I also would like to gain access to the TCU.
What's Flare look like?

 

[Aschneider]

I have this issue in my 2012 Gen Sedan. It almost seems to go into neutral before it finally shifts from 2-3, or 4-5, before jerking me when the clutch catches. It's very concerning, but it's not throwing any codes so I don't know what to do. I took it to a trasmission repair shop and they didn't get it to perform the same with the flares, so they dismissed the issue when they saw there was no light on. Before this happened, I went on a 2,000 Mile trip to chicago & had my mechanic friend who owned the car before me replace some of the fluid after this because while it wasn't flaring, it was jerking into gear and whinning, so I figured it was low. Once we did this it felt fine, but two weeks later it was flaring and slipping. Under more research I realized the car takes SP-IV-RR but he put SP-IV into it. So, I got the RR and I'm putting that in today, wondering if it will fix my issue (Well, Praying lol). If not, I'm gonna think about Solenoid replacement, working my way through the system to find the issue. I heard this was common for these 2012 transmissions, but can't find much more info into what helps or fixes them... let me know what works for you or if you find anything out too!

 

[Mic43]

I have this issue in my 2012 Gen Sedan. It almost seems to go into neutral before it finally shifts from 2-3, or 4-5, before jerking me when the clutch catches. It's very concerning, but it's not throwing any codes so I don't know what to do. I took it to a trasmission repair shop and they didn't get it to perform the same with the flares, so they dismissed the issue when they saw there was no light on. Before this happened, I went on a 2,000 Mile trip to chicago & had my mechanic friend who owned the car before me replace some of the fluid after this because while it wasn't flaring, it was jerking into gear and whinning, so I figured it was low. Once we did this it felt fine, but two weeks later it was flaring and slipping. Under more research I realized the car takes SP-IV-RR but he put SP-IV into it. So, I got the RR and I'm putting that in today, wondering if it will fix my issue (Well, Praying lol). If not, I'm gonna think about Solenoid replacement, working my way through the system to find the issue. I heard this was common for these 2012 transmissions, but can't find much more info into what helps or fixes them... let me know what works for you or if you find anything out too!

Hello I have similar problem, did You find solution? Thanks in advance!