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Clanging noise in the front struts on Bilstein PSS9s - upper mounts?

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YOUR RESEARCHClanging noise in the front struts on Bilstein PSS9s - upper mounts?

Leading reported evidence

Install ~2 years ago

Performed · outcome unconfirmed

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Performed · outcome unconfirmed · Original poster
PSS9s were installed ~2 years ago, so it's been some time.
Original post Read captured discussion
Clanging noise in the front struts on Bilstein PSS9s - upper mounts?

Frequently discussed work

Check bushings in the lower control arms

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Suggestion
check upper mounts, check bushings in the lower control arms
Original post Read captured discussion
Clanging noise in the front struts on Bilstein PSS9s - upper mounts?

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Leading evidence: 'Install ~2 years ago' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check bushings in the lower control arms' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

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Check bushings in the lower control arms

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Suggestion
check upper mounts, check bushings in the lower control arms
Original post Read captured discussion
Clanging noise in the front struts on Bilstein PSS9s - upper mounts?

Check upper mounts

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

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Suggestion
check upper mounts, check bushings in the lower control arms
Original post Read captured discussion
Clanging noise in the front struts on Bilstein PSS9s - upper mounts?

Replace upper mounts (it's unclear where the sound is coming

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No successful repair reported for this finding.

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Reported fixes: 0
Unsuccessful attempts: 1
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Discussions that contain suggestions: 1

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Suggestion · Original poster
He's suggesting to replace the both upper mounts (it's unclear where the sound is coming from - but it seems evenly distributed).
Original post Read captured discussion
Clanging noise in the front struts on Bilstein PSS9s - upper mounts?

Set )

Suggestion or failed attempt

No successful repair reported for this finding.

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Reported fixes: 0
Unsuccessful attempts: 1
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Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

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Suggestion
You can go with adjustable �camber plates� - which will be more expensive (usually around $4-500 per set).
Original post Read captured discussion
Clanging noise in the front struts on Bilstein PSS9s - upper mounts?

Frequently discussed actions (5)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Check bushings in the lower control arms

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion
check upper mounts, check bushings in the lower control arms
Original post Read captured discussion
Clanging noise in the front struts on Bilstein PSS9s - upper mounts?

Check upper mounts

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion
check upper mounts, check bushings in the lower control arms
Original post Read captured discussion
Clanging noise in the front struts on Bilstein PSS9s - upper mounts?

Install ~2 years ago

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that performed work without a confirmed outcome: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed · Original poster
PSS9s were installed ~2 years ago, so it's been some time.
Original post Read captured discussion
Clanging noise in the front struts on Bilstein PSS9s - upper mounts?

Replace upper mounts (it's unclear where the sound is coming

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster
He's suggesting to replace the both upper mounts (it's unclear where the sound is coming from - but it seems evenly distributed).
Original post Read captured discussion
Clanging noise in the front struts on Bilstein PSS9s - upper mounts?

Set )

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion
You can go with adjustable �camber plates� - which will be more expensive (usually around $4-500 per set).
Original post Read captured discussion
Clanging noise in the front struts on Bilstein PSS9s - upper mounts?

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8 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

Rennlist: 1 discussions

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Generation: 20261026T122219Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Hi all, I have a 996 C2 lowered on PSS9s. As of about a month ago, the front has begun developing a clanging noise when driving over uneven surfaces. PSS9s were installed ~2 years ago, so it's been some time. Took it to the mechanic today - he lifted the car and when tugging laterally on the wheel (i.e. perpendicular to car motion), if you put the ear to the body, you can hear a knocking sound. He's suggesting to replace the both upper mounts (it's unclear where the sound is coming from - but it seems evenly distributed). - is this really the upper mount, or should I be looking at some rubber padding where the PSS9s mount? (I feel like I saw a thread on this somewhere) - do I need any special upper mounts for PSS9, or will more or less "anything" do? Thanks!

POST 2Original post

check upper mounts, check bushings in the lower control arms

POST 3 / ORIGINAL POSTEROriginal post

So my indy thinks it's the upper mount indeed, so I guess I should switch those and see what happens. Do I need any special upper mounts for PSS9s, or will OEM / some similar ones work?

POST 4Original post

There's a video, You Tube . describes and remedies front suspension noise on a 996. May or may not be your issue. At 4:00 on video.

POST 5Original post

Stock C2 topmounts are not expensive - I think around $125 ea. The labor won�t be cheap, but it�s a fairly simple DIY if you�re up to it... I�d imagine to have your Indy do it, it�ll be in the $550 - $700 range.

POST 6 / ORIGINAL POSTEROriginal post

Quotes source post: 15359460

I see. No garage ... so guess it�s indy time. Will stock mounts fit PSS9s, and should I go non stock?

POST 7Original post

You can go with adjustable �camber plates� - which will be more expensive (usually around $4-500 per set). But they�re usually �mono *****� which tend to be a little �clunky� over certain types of bumps as well...

POST 8 / ORIGINAL POSTEROriginal post

Quotes source post: 15359546

Yeah probably don�t need camber plates quite yet. Would OEM 997 top mounts fit as well? To see if I can broaden my search.

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