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986 2.7 engine vibration around 3K rpm - 986 Forum - The Community for Porsche Boxster & Cayman Owners

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5 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis

THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCH986 2.7 engine vibration around 3K rpm - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Leading reported evidence

Replace clutch

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
Clutch was replaced at 133Km, flywheel was not replaced.
Original post Read captured discussion
986 2.7 engine vibration around 3K rpm - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Read full discussion summary

Leading evidence: 'Replace clutch' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'dual mass flywheel' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Replace clutch' (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.

Read captured replies

1 matching discussions · 5 captured posts examined · 0 partial discussions

Compare 2 other evidence results

Replace front engine mount and both transmission mounts

Performed · outcome unconfirmed

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 have replaced the front engine mount and both transmission mounts.
Original post Read captured discussion
986 2.7 engine vibration around 3K rpm - 986 Forum - The Community for Porsche Boxster & Cayman Owners

dual mass flywheel

Suggestion or failed attempt

No successful repair reported for this finding.

0
Identified cause: 1
Suspected cause: 0
Reported fixes

Read evidence and context

Discussions that suspect a cause: 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.

Suspected cause
Most likely the dual mass flywheel.
Original post Read captured discussion
986 2.7 engine vibration around 3K rpm - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Frequently discussed actions (2)

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

Replace clutch

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
Clutch was replaced at 133Km, flywheel was not replaced.
Original post Read captured discussion
986 2.7 engine vibration around 3K rpm - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Replace front engine mount and both transmission mounts

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 have replaced the front engine mount and both transmission mounts.
Original post Read captured discussion
986 2.7 engine vibration around 3K rpm - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Reported and suspected causes (1)

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

dual mass flywheel

No successful repair reported for this finding.

0
Identified cause: 1
Suspected cause: 0
Reported fixes

Read evidence and context

Discussions that suspect a cause: 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.

Suspected cause
Most likely the dual mass flywheel.
Original post Read captured discussion
986 2.7 engine vibration around 3K rpm - 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.

5 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: 20261026T144035Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Hello My 2001 base boxster 5 Spd. has an engine vibration around 3000 rpm. This is felt mostly during deceleration. I have replaced the front engine mount and both transmission mounts. Clutch was replaced at 133Km, flywheel was not replaced. Car is at 160Km now. All tires are new and perfectly balanced. Any thoughts on this would be greatly appreciated. Cheers

POST 2Original post

It's not a bug, it's a feature! Generally speaking, "they all do that". Some have reported that playing with the muffler mounting has made a difference. My 03 has been doing it since I bought it 17 years/165k miles ago, and I've long ago stopped noticing. FWIW

POST 3Original post

Mine does the same and i have 240km on the clock. I like it as it feels more rough. I would say - dont bother

POST 4Original post

You could obtain a Durametric and read the cam deviations. That may provide some insight.

POST 5Original post

The vibration on my 2001 base model stopped after I completed this project: https://986forum.com/forums/boxster-general-discussions/28694-ims-replacement-jager-saga-2.html Most likely the dual mass flywheel.

This is a source reference. Confirm exact model applicability in the original material.