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Need help diagnosing noise/vibration - 986 Forum - The Community for Porsche Boxster & Cayman Owners

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7 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHNeed help diagnosing noise/vibration - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Leading reported evidence

Replace front motor mount 2k miles ago

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

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

I replaced front motor mount 2k miles ago...

Need help diagnosing noise/vibration - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Frequently discussed work

Check motor 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

Also check for bad motor mounts....

Need help diagnosing noise/vibration - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Read full discussion summary

Leading evidence: 'Replace front motor mount 2k miles ago' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check motor mounts' (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.

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1 matching discussions · 7 captured posts examined · 0 partial discussions

Compare 2 other evidence results

Check motor mounts

Suggestion or failed attempt

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 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

Also check for bad motor mounts....

Need help diagnosing noise/vibration - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Replace bearing

Suggestion or failed attempt

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 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

Obvious diagnosis is rear left wheel bearing, however I changed it 2 times already and noise/vibration is still there, it feels better first few days after I change the bearing then it's getting worse.

Need help diagnosing noise/vibration - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Frequently discussed actions (3)

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

Check motor 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

Also check for bad motor mounts....

Need help diagnosing noise/vibration - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Replace bearing

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

Obvious diagnosis is rear left wheel bearing, however I changed it 2 times already and noise/vibration is still there, it feels better first few days after I change the bearing then it's getting worse.

Need help diagnosing noise/vibration - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Replace front motor mount 2k miles 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

I replaced front motor mount 2k miles ago...

Need help diagnosing noise/vibration - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Coverage and how to read this overview

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.

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

  • 986Forum: 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: 20261027T060112Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Hi, I have a noise and a vibration from the rear of the car going that drives me crazy. Here are the symptoms: Noise: wheel bearing like noise, it feels sounds like a small rock is caught in the tire. I did a wheel bearing test and if I turn right noise almost dissapears, if I turn left it's getting louder. I can hear noise only at 45-60mph, slower then 45mph there is no noise, faster then 60mph tire noise covers everything. Vibration: it's small.. again it feels like a small rock is caught in the tire and I can feel it, vibration is consistent througout the speed Obvious diagnosis is rear left wheel bearing, however I changed it 2 times already and noise/vibration is still there, it feels better first few days after I change the bearing then it's getting worse. And by better I mean it's still there just not as prominent. Car is 2000 base boxster with 72K miles and 18" factory wheels (no spacers). I also aligned/balanced the tires a couple of times. What else should I check... it's driving me crazy! Thanks Sasha PS: there is no rock caught in the tire

POST 2Original post

My first guess would be to look carefully at the rear driveshafts and CV-joints. Might have a CV-joint bound up or starting to fail.

POST 3Original post

+1 on the cv joint. The fact that the noise changes when you turn or alter your speed kind of made me think about the cv too! sean

POST 4 / ORIGINAL POSTEROriginal post

What should I look for in a CV joint? The boots are in perfect condition.. how would I diagnose a bad CV joint? Thanks Sasha

POST 5Original post

I hit a massive pot hole over the weekend and a day or two later I end up with a big virbration under 60 mph that seems to lessen significantly once I'm at speed. At first I thought I had a tire issue so I pulled over, no problems with the tires. Somehow I got home without any drama. I bent something didn't I?

POST 7 / ORIGINAL POSTEROriginal post

I replaced front motor mount 2k miles ago... Any tips on what to look for when shopping for axle? is left/right interchangeable? Are pre2000 axles different from 2000+ year? Anyone has a suggestion on where to get one? (except pelicanparts 800$ is out of question right now ) Thanks Sasha

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