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Adding a rear locking diff

   
Old Aug 10, 2024 | 08:20 PM
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Default Adding a rear locking diff
i found a complete kit(diff, wiring and controle module) for a 957 tts that had the rear locking diff. I just bought an 09 S that doesnt have it. is it possible to install it and have it programmed into the car?
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Old Aug 10, 2024 | 09:47 PM
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Old Aug 11, 2024 | 10:25 AM
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You better research differential ratios between turbo and S. If it's like the 955, there are 3 different available depending on base, S, turbo and manual vs auto trans.
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Old Aug 11, 2024 | 11:48 AM
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Originally Posted by 19psi
You better research differential ratios between turbo and S. If it's like the 955, there are 3 different available depending on base, S, turbo and manual vs auto trans.
Could this be found out with the VIN?
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Old Aug 11, 2024 | 02:56 PM
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Originally Posted by VoilaGT3
Could this be found out with the VIN?
Possibly, but when I bought a front replacement I just looked up the part # for my year and model from an online vendor.

This thread may also help:
https://rennlist.com/forums/cayenne-...t-writeup.html
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Old Aug 11, 2024 | 05:02 PM
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@bbqlord I will make mention there is apparently a good deal of difficulty splicimg in the necessary harness connections. I looked into this a bit as well.
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Old Aug 11, 2024 | 07:53 PM
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Originally Posted by 19psi
You better research differential ratios between turbo and S. If it's like the 955, there are 3 different available depending on base, S, turbo and manual vs auto trans.
Originally Posted by VoilaGT3
@bbqlord I will make mention there is apparently a good deal of difficulty splicimg in the necessary harness connections. I looked into this a bit as well.
thanks ill look into this. the seller doesn not have the truck anymore so i is the part number written somewhere on the part so i can verify?
so i understand its "doable" with the right amount of money and time to figure it out lol.
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