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Anyone ever have dealer pushback when trying to get your TC problem diagnosed? Been dealing with this problem for well over a year now but haven't had time to really press the issue at the dealer. Car is back at the dealer now for some other warranty work and once again, they're saying they can't find anything wrong with how it drives. Going back later this week so I can try to replicate the problem to the tech so hopefully they can finally fix the issue.

Any advice? Thanks.
 
Anyone ever have dealer pushback when trying to get your TC problem diagnosed? Been dealing with this problem for well over a year now but haven't had time to really press the issue at the dealer. Car is back at the dealer now for some other warranty work and once again, they're saying they can't find anything wrong with how it drives. Going back later this week so I can try to replicate the problem to the tech so hopefully they can finally fix the issue.

Any advice? Thanks.
When it occurs stop and take the time to take a picture with your cell phone with the mileage showing and if you have video on your phone describe what occured at what time and what date as this may become important to get this resolved.
 
When it occurs stop and take the time to take a picture with your cell phone with the mileage showing and if you have video on your phone describe what occured at what time and what date as this may become important to get this resolved.
Tried that. Unfortunately symptoms are really hard to capture on video since you "feel" it while sitting in the car. So my best bet is to just get it to reproduce as many of the symptoms as I can while the tech is riding along with me
 
Put car in offroad mode, slowly reverse and turning steering wheel all the way left and right. It should be very obvious. This test has been documented on the forum extensively.
 
Well I am sad to say my beloved 2018 GTS is getting a new transfer case on Tuesday. I took it in today for its 2 year service at 13,500 miles. They gave me a beautiful Miami Blue 2019 base to drive around in and I noticed that the loaner had more get up and go than my GTS. When I got home I was going to call the dealer and ask him, but he beat me to the call and he called me. He told me that he noticed a problem when he was driving it into the bay. They are going to order the part on first thing on Monday and hopefully have me in mine Tuesday afternoon. When he was explaining to me what he noticed, I go oh the transfer case is bad, right?
 
Well I am sad to say my beloved 2018 GTS is getting a new transfer case on Tuesday. I took it in today for its 2 year service at 13,500 miles. They gave me a beautiful Miami Blue 2019 base to drive around in and I noticed that the loaner had more get up and go than my GTS. When I got home I was going to call the dealer and ask him, but he beat me to the call and he called me. He told me that he noticed a problem when he was driving it into the bay. They are going to order the part on first thing on Monday and hopefully have me in mine Tuesday afternoon. When he was explaining to me what he noticed, I go oh the transfer case is bad, right?
what is your build date?
 
Put car in offroad mode, slowly reverse and turning steering wheel all the way left and right. It should be very obvious. This test has been documented on the forum extensively.
I did this exact thing and told the tech. He said car should never be put in offroad mode on pavement and said by doing so I was causing the transfer case to fail and that its normal for car to buck on pavement. I'm honestly sick of going back and forth with them. 2nd time ive brought it up now, and this was at a different dealership too. I just wish my symptoms were more "drastic" or that the transfer case would fail even more so they could go ahead and replace it.
 
Well I am sad to say my beloved 2018 GTS is getting a new transfer case on Tuesday. I took it in today for its 2 year service at 13,500 miles. They gave me a beautiful Miami Blue 2019 base to drive around in and I noticed that the loaner had more get up and go than my GTS. When I got home I was going to call the dealer and ask him, but he beat me to the call and he called me. He told me that he noticed a problem when he was driving it into the bay. They are going to order the part on first thing on Monday and hopefully have me in mine Tuesday afternoon. When he was explaining to me what he noticed, I go oh the transfer case is bad, right?
What did he describe the symptoms to you as? And did you ever notice anything yourself before driving the loaner?
 
What did he describe the symptoms to you as? And did you ever notice anything yourself before driving the loaner?
He told me that it was shuttering (what ever that means) as he drove it into the bay. It’s not like he was going far or fast. When I got to the dealer their 3 car bay was full and I had to park on the outside.

I noticed that it took a bit to get out of first from a dead stop at a stop light. Just no real pep when I accelerated while in comfort mode. I just thought it was normal because I was comparing my GTS to my little S5. Now when I would accelerate from a dead stop my S5 would take off with no problems and I would have to catch myself from speeding. I just figured the GTS was different because the S5 has a supercharged engine and of course it was smaller and lighter than the GTS so it would have more get up and go.

This past summer when I went to PEC in Atlanta I drove with the same coach that delivered my car and I was telling him what I was noticing when comparing the get up and go between my two cars and he told me that I need to just put the car in sport mode the minute I turn it on and that would solve my problem. Which of course in sport and sport + I had no trouble getting the car to shift and take off.

If the dealer didn’t call me I was going to call him and ask him to take the car for a spin around the block to see if he noticed the lack of get up and go from a stop. As you read posts in this thread I am very lucky my dealer was proactive and is taking care of this. Other folks have not been as lucky as me having to brow beat their dealer to get this problem fixed.
 
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Anyone know if doing several launch controls in a short period of time contributes to TC problems in the original TC design?


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I have never carried out a launch control in my GTS that’s still in for the issue 2 weeks later. Judging by what I have been told about the prior owner, highly doubt they did it ever. I started launch control once for the exhaust noise, and then just let off the gas and waited for it to calm down and then took off like normal. Love the noise, but was afraid of harming it.
 
LC is going to put stress on all drivetrain components. Whether it’s the cause for the TC issue is still to be seen/proven.
 
I have never carried out a launch control in my GTS that’s still in for the issue 2 weeks later. Judging by what I have been told about the prior owner, highly doubt they did it ever. I started launch control once for the exhaust noise, and then just let off the gas and waited for it to calm down and then took off like normal. Love the noise, but was afraid of harming it.
Has dealer given you any updates? 2 weeks seems like a long time to diagnose a known TC issue. Porsche should just issue a recall and save owners the hassle and stress of dealing with this problem.

As mentioned, I’m experiencing some intermittent bucking sometimes. But hesitating to go to the dealer because unless they can reproduce it consistently, they point to everything else except the TC. I have over a year left on warranty.

Please keep us updated. Thanks


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When beginning mild acceleration or even backing out of a parking spot, there is a mild vibration from the middle center of the car. Almost like a hiccup. There are no other symptoms and it drives fine at higher speeds. Is this a normal turbo related thing ?
 
Curious to know what the build date of the car is. If you're not sure, you can run the VIN at the link below, and it should tell you. Is it prior to March 2018? If so, the transfer case might be worth evaluating.

VIN Analytics
 
Let's try this another way: what year? what model? how many miles? any previous work you know of?
 
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