996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Vibration level @ idle

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Old Sep 27, 2013 | 02:08 AM
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Vibration level @ idle

My car runs great. But when idling I can clearly see and feel the empty passenger seat vibrating a bit. Do you guys have the same? If not I am now at 100k miles. Should I consider engine mounts?
 
Old Sep 27, 2013 | 03:37 AM
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Mine does not have the level of vibration that you mention but it is stock. I would inspect the motor mounts, I'm not sure if they are liquid dampening if they are look for leaking if not worn bushings etc. Bottom line I would replace if they have not been done in 100k but of course if you go for a stiffer mount it might be worse.
 
Old Sep 27, 2013 | 06:53 PM
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Mine vibrates a bit as well, I'm guessing its somewhat normal.
 
Old Sep 27, 2013 | 10:17 PM
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So does my 03 with 112K miles.
 
Old Sep 28, 2013 | 04:11 PM
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I don't see any vibration on my 01 with 100K miles. (Softronic Tune, BBI Coils)
 
Old Sep 28, 2013 | 08:41 PM
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Ive got 17k miles and the passenger seat vibrates enough to be re classified as a sex toy. I do have a tubi exhaust but the shaking is what I would expect from a 427 with side pipes.
 
Old Sep 28, 2013 | 08:45 PM
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The stock motor mounts are liquid filled - check for leaks. I have 85k on my '01 with solid motor mounts and it runs very smooth.

I had vibrations in my car when the clutch slave and acc. were going out. It was straining the belt circuit at the power steering pump due to a leak in the line. Basically, the vibrations can be from a number of different sources.
 
Old Sep 28, 2013 | 08:55 PM
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My '99 996 Cab did it all the time, my Turbo's done it since I bought it with 14,750 miles. I think it's a 996 thing.
 
Old Sep 29, 2013 | 02:21 AM
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How intersting some of us have it some of us not? Wierd or what? I have cargraphics exhaust, maybe exhaust introduces it?
 
Old Sep 29, 2013 | 02:23 AM
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Originally Posted by mmm635
The stock motor mounts are liquid filled - check for leaks. I have 85k on my '01 with solid motor mounts and it runs very smooth.

I had vibrations in my car when the clutch slave and acc. were going out. It was straining the belt circuit at the power steering pump due to a leak in the line. Basically, the vibrations can be from a number of different sources.
My slave and acc changed. Clutch new. I had it before, since I bought the car with 30K miles. I just thought let's debate this. As I said car runs perfectly but it vibrates a bit at idle.
 
Old Sep 29, 2013 | 07:19 AM
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I cant speak for the 911 since mine has 13k but have owned a lot of cars and almost all needed new motor mounts around the 100k mark. My Audis are liquid filled and they started leaking.
 
Old Sep 29, 2013 | 05:57 PM
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I have a bit of vibration too. It's not consistent though...
 
Old Sep 29, 2013 | 06:27 PM
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Originally Posted by mmm635
The stock motor mounts are liquid filled - check for leaks. I have 85k on my '01 with solid motor mounts and it runs very smooth.

I had vibrations in my car when the clutch slave and acc. were going out. It was straining the belt circuit at the power steering pump due to a leak in the line. Basically, the vibrations can be from a number of different sources.
Come to think of it the car has not vibrated now for a while. Had a battery go bad some time back. I wonder...
 
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