Stability System Tuning - Club Touareg Forums
 
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post #1 of 9 Old 04-09-2019 Thread Starter
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Stability System Tuning

Does anyone know if there is a way to tune the stability system on the Touareg T3? I'm curious if it is running the same program as the Cayenne.
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post #2 of 9 Old 04-09-2019
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I don't immediately recall anyone doing such a thing.

If I am remembering previous posts about this correctly, then the difference between the Porsche Touareg and the VW Cayenne [sic!], is that the Touareg uses a 50/50 front/rear power distribution set up whilst the Cayenne is rear biased at 38/62 and that the Touareg's transmission is somehow "forced" into the 50/50 split electronically.

Others will hopefully be able to explain this much better, but if the split is indeed controlled electronically then perhaps it is possible to reflash whatever needs reflashing with the Porker software?

VW Touareg models are as follows:
Generation 1: T1 is model 7LA & facelift T2 is model 7L6
Generation 2: T3 is model 7P5 & facelift T4 is model 7P6
Generation 3: T5 is model CR7 [Not available in "VW Atlas" North America!]
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post #3 of 9 Old 04-09-2019
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What exactly do you mean, "tune the stability system"? Do you want to adjust when the traction control takes over? How aggressive it is? I'm certain none of that is "tuneable".

Quote:
Originally Posted by noobytoogy View Post
I don't immediately recall anyone doing such a thing.

If I am remembering previous posts about this correctly, then the difference between the Porsche Touareg and the VW Cayenne [sic!], is that the Touareg uses a 50/50 front/rear power distribution set up whilst the Cayenne is rear biased at 38/62 and that the Touareg's transmission is somehow "forced" into the 50/50 split electronically.

Others will hopefully be able to explain this much better, but if the split is indeed controlled electronically then perhaps it is possible to reflash whatever needs reflashing with the Porker software?
The T1/T2 and Cayene had 4xMotion which had a transfercase set up with 38/62 mechanical power bias and a wet clutch for the bias shift when needed. VW changed their software to make the transfercase run at 50/50 all the time by applying the centre clutch. This is what caused the dreaded binding/stepper motor failure as it was always engaged.

The OP lives in the US and has a T3, which has a purely mechanical Torsen centre diff; and thus, is not tuneable at all.

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post #4 of 9 Old 04-09-2019 Thread Starter
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Regarding the diff you are correct.

But for example the Audi S3 and Audi S4 allow the rear to step out a few degrees (oversteer) before the stability system steps in.

The Cayenne I presume is tuned the same way.

The US T3 has the Torsen center diff which I presume is pre-biased at 40/60 split.

My question is really about the rest of the stability system behavior not just the diff.
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post #5 of 9 Old 04-09-2019
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Two too many presumes in there!

VW Touareg models are as follows:
Generation 1: T1 is model 7LA & facelift T2 is model 7L6
Generation 2: T3 is model 7P5 & facelift T4 is model 7P6
Generation 3: T5 is model CR7 [Not available in "VW Atlas" North America!]
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post #6 of 9 Old 04-09-2019
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Quote:
Originally Posted by chewblekka View Post

The OP lives in the US and has a T3, which has a purely mechanical Torsen centre diff; and thus, is not tuneable at all.

I was forgetting the US didn't get proper Touaregs after Generation 1!

VW Touareg models are as follows:
Generation 1: T1 is model 7LA & facelift T2 is model 7L6
Generation 2: T3 is model 7P5 & facelift T4 is model 7P6
Generation 3: T5 is model CR7 [Not available in "VW Atlas" North America!]
Read Wikipedia:
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post #7 of 9 Old 04-09-2019
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The ESP program can be turned off by selecting 'off-road' mode then holding down the traction control button for 3-5s. I always thought it would be nice to modify the 'off-road' parameters to suit my needs.
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post #8 of 9 Old 04-09-2019 Thread Starter
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Quote:
Originally Posted by noobytoogy View Post
Two too many presumes in there!
One is too many?
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post #9 of 9 Old 04-09-2019 Thread Starter
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In this case I’m not looking for off-road. Just some oversteer if it’s even possible.

There are some nice videos of Cayennes with a little oversteer. Just wondering if the Touareg can be configured to do the same.
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