Panamera The 4-dour coupe by Porsche

Strange shake upon complete stop on TT

Old Feb 2, 2015 | 05:34 PM
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Strange shake upon complete stop on TT

I've taken my car to the dealer and they are telling me that this is a normal behaviour.

Upon complete stop I feel that there is something under the car that disengages and slightly shakes the car. It feels exactly like traditional transmissions when they go bad and do not downshift smoothly anymore.

In my case I know it is not PDK because this happens way after PDK shifts from 3rd to 2nd. I have a feeling it is an all wheels drive system..

Interestingly, if you stop somewhat aggressively it doesn't do it, or at least I do not feel it.

Is anyone else having this issue or this is not an issue and is normal with these cars?
 
Old Feb 2, 2015 | 07:54 PM
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Never felt it myself. I may stop "somewhat aggressively" most times, but not always.

'13 GTS
 

Last edited by NiceCar; Feb 2, 2015 at 09:14 PM.
Old Feb 2, 2015 | 08:03 PM
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Thanks NiceCar, so then I guess it may not be something "normal" as they are telling me. They would not let me drive another car as they don't have "exactly" the same model. I honestly find this unusual for a luxury sedan to do something like this. If we were talking about 997, I could say yes maybe, but not Panamera IMO.

Anyone else can input on this issue?
 
Old Feb 3, 2015 | 03:12 AM
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Are you shure that the shake doesnt come from the engine ,lets say puston 4 or 8 which is near the transmission ? This hapened to me a week before because of bad plug
 
Old Feb 3, 2015 | 09:22 AM
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No, I'm not sure, it could be an engine. But it really does feel like something disengages right below where I'm seating.
Doesn't the bad plug effect in general the performance and car would shake slightly in idle?
 
Old Feb 3, 2015 | 09:32 AM
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Originally Posted by MTRX
No, I'm not sure, it could be an engine. But it really does feel like something disengages right below where I'm seating.
Doesn't the bad plug effect in general the performance and car would shake slightly in idle?
Does your car have auto start&stop ?
 
Old Feb 3, 2015 | 09:41 AM
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Yes, it does, but it has been disabled ever since I bought the car. You think it is something related to it?
 
Old Feb 3, 2015 | 10:20 AM
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Originally Posted by MTRX
Yes, it does, but it has been disabled ever since I bought the car. You think it is something related to it?
Disabled ? How ? I push the button everytime I get in the car, thats the only thing that shakes the car when trying to stop for me . This is just my opinion ,a visit to the dealer should give a correct answer.
 
Old Feb 3, 2015 | 11:10 AM
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The PDK tends to do all kinds of noise when coming to a stop, such as clunks and whatnot.

Maybe it's "normal" or the Auto Start/Stop is kicking in.
 
Old Feb 3, 2015 | 11:42 AM
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Speaking of strange noises ,does your pdk make a high pitched/frequency noise when shifting gears on hard acceleration ? Usually when the car is cold ?
 
Old Feb 3, 2015 | 12:11 PM
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Originally Posted by porschecayenne92
Disabled ? How ? I push the button everytime I get in the car, thats the only thing that shakes the car when trying to stop for me . This is just my opinion ,a visit to the dealer should give a correct answer.
US model cars can retain memory on the auto start stop. Once you push the button to disable it, it will remain that way until the next time you manually enable it again.
 
Old Feb 3, 2015 | 12:59 PM
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Originally Posted by porschecayenne92
Disabled ? How ? I push the button everytime I get in the car, thats the only thing that shakes the car when trying to stop for me . This is just my opinion ,a visit to the dealer should give a correct answer.
On my 2013 TT I don't have to disable it each time, I disabled it once and it remembered that setting.

I did visit the dealer and they told me that it is an all wheels drive system and that it is normal...
 
Old Feb 3, 2015 | 01:01 PM
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Originally Posted by MIA997TTBeast
The PDK tends to do all kinds of noise when coming to a stop, such as clunks and whatnot.

Maybe it's "normal" or the Auto Start/Stop is kicking in.
My auto start/stop is disabled, but it does feel like the engine is about to shut itself off, but it doesn't.

Again, I wish they had another PTT there that I could drive.
 
Old Feb 3, 2015 | 01:02 PM
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Originally Posted by porschecayenne92
Speaking of strange noises ,does your pdk make a high pitched/frequency noise when shifting gears on hard acceleration ? Usually when the car is cold ?
No, mine doesn't. But I haven't really pushed it all the way and it is not that cold here in LA.
 
Old Feb 3, 2015 | 01:03 PM
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Originally Posted by MTRX

On my 2013 TT I don't have to disable it each time, I disabled it once and it remembered that setting.

I did visit the dealer and they told me that it is an all wheels drive system and that it is normal...
There is also a strange shake , vibration noise I can feel sometimes when coming to stop in a incline or decline . Looks likes car automaticly activates handbrake and when in the same time you push the gas pedal it gives vibration and noise .
 

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