12 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHSuspension Noise
Leading reported evidence
Check links
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that performed work without a confirmed outcome
1
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Performed · outcome unconfirmed
I have checked all links for play and have found none.
Leading evidence: 'Check links' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'would come' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Check before considering buying the car' (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.
Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that suspect a cause
1
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Suspected cause
Not a problem but it does make a particular noise that one might suspect would come from a suspension component.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
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Suggestion · Original poster
Just wanted a sanity check before considering buying the car.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
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Suggestion
Mine also passed a Japanese mechanical check recently and no problem found.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
12 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261026T105141Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I am looking to purchase an 996 with the following mods:
Bilstein PSS9 Coilovers
H&R Sway Bars (Front and Rear)
GT3 Strut Mounts
AP Drop Links
When I took the car out for a test drive. The suspension makes a lot of noise especially going over rough roads. (sounds like the springs are loose). The owner said he had a PPI done and the noise was not flagged as an issue.
Does this seem normal?
How low is the car? Tender springs can compress over time, especially considering the pss9 model is quite a bit older.
Did the PO use the correct adapter for the pss9 to use with the GT3 strut mounts?
Fwiw, my gt3 co's have always made noise but have only discovered it when I took out the carpet.
Other than that, does it handle good? Any signs of oil leaks from the shocks? Did you try wiggle the drop links for any play?
Mine makes the same noise I think. Almost plasticy but metallic a little. I'm guessing drop links. Handles great still. Only hear it at low speeds on rough roads.
Mine also passed a Japanese mechanical check recently and no problem found.
It's certainly not surprising that a 10 to 15 year old car makes some suspension noise. Can you describe what kind of noise (I don't know what a "lose spring" sounds like)? Noise from old, failing drop links yields a "creaky ship" sound.
You really need to get under the car and start grabbing stuff until you figure out whats rattling. A "rattle" could be anything from exhaust to motor mounts. This is where a rubber mallet comes in handy.
If someone installed the brake pads without the dampers (which is very common), the pads will chatter, or kind of rattle, against the rotors at low speed and rough road. Not a problem but it does make a particular noise that one might suspect would come from a suspension component.
Interesting, I've never heard of that cause.
Mine has pss9 or 10 and makes noise on rough or cobblestone like roads at low speed only <15-20 mph). Same thing on my BMW which has coil overs.
I have checked all links for play and have found none.
Will try lightly applying brakes next time to see (or hear) if there is a difference.
Paul
I guess this is starting to sound like a normal noise. Maybe those AP drop links which seems to be problematic. Car handles fine and the noise is apparent on low speed rough roads only. Just wanted a sanity check before considering buying the car.
Make sure you do your own PPI at a different shop than the owner used and ask them to pay special attention to the noise. It would be helpful if that shop has direct familiarity with the PSS9/10 system obviously.
This is a source reference. Confirm exact model applicability in the original material.
