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991.1 Carrera S Sport PASM (no PDCC) suspension noise

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Old 08-31-2022, 04:11 AM
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s4008616
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Default 991.1 Carrera S Sport PASM (no PDCC) suspension noise

Hi all

I have a 2014 car, 49000km. I have this car since new and car has been kept completely stock. Recently car has developed this noise.
I have already been to one dealer and they said suspension is all good but the noise seems to be getting worst. Will be trying another Porsche dealer.
Anyone her know what this may be?

Link to the video:

Old 08-31-2022, 12:03 PM
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Tpup
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I had 2 991.1s and one squeaked after putting in new springs. The dealer said normal, I made the remove and reinstall them, noise went away. I cannot tell from the video what I'm looking at but it appears you are getting squeaking when you are bouncing over stuff on the road? Can you tell which corner it's coming from?
Old 08-31-2022, 01:03 PM
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asellus
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sounds like my squeak when I had a rear shock top mount failing. apparently this is fairly common.

it got bad enough where I could reproduce it by jouncing the car at rest.

Old 08-31-2022, 10:52 PM
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Originally Posted by Tpup
I had 2 991.1s and one squeaked after putting in new springs. The dealer said normal, I made the remove and reinstall them, noise went away. I cannot tell from the video what I'm looking at but it appears you are getting squeaking when you are bouncing over stuff on the road? Can you tell which corner it's coming from?
Yes the squeaking only occurs during bouncing. ie when the suspension is working/loading.

The video is just looking at the rear seat.

No I cannot tell if it is coming from rear left or rear right, or both.
Old 08-31-2022, 10:53 PM
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Originally Posted by asellus
sounds like my squeak when I had a rear shock top mount failing. apparently this is fairly common.

it got bad enough where I could reproduce it by jouncing the car at rest.

Wow thanks!! Your noise is almost identical to what I have been getting.

Sorry I am not mechanically inclined. Where is the top mount? What is the fix/solution?
Old 08-31-2022, 11:08 PM
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Fixed under CPO on my 2017. Involves dropping the rear shock and replacing the top section of it. Not a fun job.



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