If a DSG is slipping long enough you very well could need clutch packs. Even if you are stage 1. So its not a true answer. But if you are stage 1 and dsg tuned you should have no need for clutch packs.
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I was on the fence about getting the TCU tuned but the more miles I put on this car the more and more I come to loathe the stock shifting behavior. This slippage was just the final straw that pushed me to want to get the TCU tuned. Its not as if I wouldn't get the TCU tune if all I had to do was add some DSG fluid although I do appreciate that you guys are trying to save me money. I can avoid the conditions that cause the slipping pretty easily by just putting it in sport mode or going easy on the throttle at low speeds in high gears. There are no issues with lower gears and higher engine speeds. If APR isn't able to generate a tune for my TCU in the next few days and I decide to go with Unitronic's TCU tune do I go for the stage 1 or stage 2 DSG tune? Can anyone confirm the APR ECU tune gets along with the Unitronics DSG tune?
ExcelerateSales, thanks for the helpful response regarding why APR doesn't just collect information on all ECU/TCUs their dealers encounter.
Well, you can't fix...
Here is one long thread where it was 100% low DSG fluid causing the slippage. It gets interesting at page 11, before it's a lot of spit balling and whatnot. If your DSG is low, even a tune will not fix that, I'd get the fluid level checked, but I must be crazy
Videos posted of members with slippage were pretty extreme and easily replicated when bogging the engine, to that I believe it was for 1/4-1/2 of a quart shy of the required fluid level... When I went with 93 HTq stage 2 and had slight slippage during the summer and when attempting to replicate by bogging the motor, it'd be ever so minor... Nothing compared to what was posted on the other thread... So I decided to just go down to the 93 med tq tune and had no issues whatsoever. Even in -30C temps the dsg held strong...
I've posted this a few times; APR and other members have yet to confirm / acknowledge that a TCU tune has remedied an existing clutch slipping issue they have experienced without having to address any fluid levels... Most have either had the TCU prior to an ECU upgrade or have done it at the same time. However, I recall reading an UM stage 3 car running on stock clutch packs with their tune pulling over 700whp and probably 650tq? (i don't remember the exact numbers, but then again this could have been the 7speed dsg)
I won't deny all the praise people give the tune for it's improved drivability in D and S mode, but for me, I drive in M on a regular and only really concerned about the potential clamp pressure increase / limit removal..
Now if APR would only offer a TCU tune with an 'a la carte option'
I guess I'll wait for the next sale and test it out
Now that was able to actually capture some video of this issue in action (https://www.youtube.com/watch?v=ozj6C13QBEI) I am starting to have more doubts that the issue I am having is even DSG slippage to begin with. I've read that some guys were experiencing turbo surge with the APR tunes and now I am beginning to think that is what is going on. What do ya'll think? Of course I already bought the DSG servicing tool and the fluid
I'll be watching this thread closely. Getting my '17 tuned in about a month and hope I don't face this problem.
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Well great! Guess I bought $80 worth of DSG servicing stuff for no reason then. If this is turbo surging then there really isn't going to be anything I can do about it, right? When I emailed APR about it they were pretty adamant that it was the DSG slipping even though I told them about the boost fluctuating like you saw in the video. Now that I have seen some videos of actual DSG slippage I am 99% sure that is not what is happening on my car. In those videos the RPMs usually jump up very fast and in my car the RPMS just barely fluctuate with the sound of the boost fluttering. Anything that can be done to reduce or eliminate this since turbo surge isn't the best thing that you can do to your turbo?
So, you thought you were having DSG clutch slipping only by judging from the performance monitor?
I cant hear for certain if the compressor is surging or if its just the boost control fluctuating boost. If its fluctuating boost a bit (that's what it looks like) I wouldn't sweat it much... that's just how APR's tune i on boost control. This also could settle in over time/miles but you are also reading off a digital performance monitor gauge so its never going to read super solid... Go view some over videos online.
If its compressor surge, (you should be able to hear the surging) then my best advise is to learn drive AROUND it. You cant go heavy throttle in a low gear till you are above 3500ish... I drove on my APR tune no problems for 30k and sure I could get it to surge easy, but you have to know how to drive the car differently after.
Last edited by mkIIISC; 04-17-2017 at 11:49 AM.
Anything in particular to check regarding the DV? I've kind of suspected it from the beginning.